Do Sanitary Pads Undergo Dermatological Testing? 5 Expert Checks for Your 2025 Supply Chain

Abstract

The question of whether sanitary pads undergo dermatological testing is of paramount importance for brands, suppliers, and consumers in the absorbent hygiene products market. This inquiry reveals a complex landscape where “dermatologically tested” is more a marketing descriptor than a universally standardized or legally mandated process. Reputable manufacturers do subject their products to rigorous safety evaluations, including skin compatibility tests like the Human Repeat Insult Patch Test (HRIPT), to ensure they are non-irritating and non-sensitizing. However, the scope and rigor of this testing can vary significantly between suppliers. Regulatory frameworks, such as the EU’s REACH regulation and the US FDA’s classification of pads as Class I medical devices, impose general safety requirements but do not prescribe specific dermatological test protocols. Consequently, the onus falls on brands and importers to conduct thorough due diligence, demanding detailed technical dossiers, verifying third-party certifications, and understanding the material composition of products to substantiate safety claims and safeguard consumer health.

Key Takeaways

• “Dermatologically tested” is a marketing term, not a regulated scientific standard.
• Verify safety by requesting a product’s full technical dossier and test reports.
• Understand the key differences between EU REACH and US FDA regulatory requirements.
• Ask suppliers if they follow EDANA/INDA guidelines for absorbent hygiene products.
• Prioritize suppliers who provide transparency regarding material composition and sourcing.
• Consider if sanitary pads undergo dermatological testing as a key supplier selection criterion.
• Look for third-party certifications like OEKO-TEX as an indicator of product safety.

Table of Contents

• 1. Understanding the Landscape: What “Dermatologically Tested” Truly Means
• 2. The Material Question: Analyzing the Composition of Modern Sanitary Pads
• 3. The Supplier Vetting Process: Verifying Claims and Certifications
• 4. Industry Standards and Guidelines: Aligning with EDANA and ISO
• 5. Future-Proofing Your Brand: Proactive Safety and Consumer Trust
• Frequently Asked Questions (FAQ)
• Conclusión
• References

1. Understanding the Landscape: What “Dermatologically Tested” Truly Means

The phrase “dermatologically tested” is frequently seen on the packaging of sanitary pads, intended to offer an immediate sense of reassurance. It suggests a product that is gentle, safe, and has been professionally vetted for skin compatibility. For any business sourcing these products, or for the end consumer, the immediate query is a practical one: what does this claim actually guarantee? The investigation into this question reveals that the answer is not as straightforward as one might hope. It requires a deeper examination of marketing language, scientific testing protocols, and the fragmented regulatory environment that governs menstrual hygiene products.

The Ambiguity of a Marketing Claim

At its core, “dermatologically tested” is a marketing statement. Unlike terms such as “organic” when applied to food, which is protected and defined by governmental bodies in many regions, there is no single, legally binding definition for what constitutes dermatological testing for a cosmetic or near-cosmetic product like a sanitary pad. A manufacturer can, in theory, have a single dermatologist review a product’s formulation on paper and claim it has been “tested.” At the other end of the spectrum, a company might invest in extensive, multi-week clinical trials on human subjects. Both could, without legal falsehood, use the same phrase on their packaging.

This ambiguity places a significant burden of inquiry on you, the brand owner or product developer. You cannot simply take this claim at face value. To do so would be to risk not only your brand’s reputation but also the health and comfort of your customers. The expectation from a consumer perspective is clear: they believe the product has been scientifically proven not to cause skin irritation. Your responsibility is to ensure the testing behind the claim aligns with that expectation. Think of it as a promise made on your behalf by your supplier; it is your duty to verify that the promise is backed by substance.

The Scientific Basis: Patch Testing and HRIPT

When a reputable manufacturer claims their products are dermatologically tested, they are typically referring to a specific set of clinical trials designed to assess a product’s potential for skin irritation and allergic contact dermatitis. The gold standard in this field is the Human Repeat Insult Patch Test, or HRIPT.

Let’s break down how this process works, as understanding it is fundamental to evaluating a supplier’s test reports.

1. The Panel: The test is conducted on a panel of human volunteers, typically between 50 and 200 individuals. A diverse panel is preferable, sometimes including individuals with self-declared sensitive skin to increase the rigor of the test.
2. The Application: A small piece of the product material—for a sanitary pad, this would be the topsheet, the layer that comes into direct contact with the skin—is applied to the skin of the volunteers, usually on their back or forearm. It is held in place by a semi-occlusive or occlusive patch, which prevents air from circulating freely and slightly enhances the skin’s absorption, representing a worst-case scenario.
3. The Induction Phase: This is the “repeat insult” part of the name. The patch is applied and removed repeatedly over a period of several weeks. A common protocol involves nine applications over three weeks. The purpose of this phase is to see if the skin can be sensitized to one of the materials—that is, to see if the immune system can be trained to recognize a substance as a threat, leading to an allergic reaction upon future exposure.
4. The Rest Period: After the induction phase, there is a “rest” period of about two weeks where no patches are applied. This allows time for any potential sensitization to fully develop within the subjects’ immune systems.
5. The Challenge Phase: Following the rest period, a final “challenge” patch is applied to a new area of skin. The dermatologists then observe this area closely for any signs of reaction—redness (erythema), swelling (edema), or small bumps. If no reactions occur during the induction phase and, most importantly, none occur during the challenge phase, the product can be considered non-sensitizing and non-irritating under the conditions of the test.

When you ask a potential supplier, “Do sanitary pads undergo dermatological testing?” your follow-up question should be, “Could you provide the full HRIPT report conducted by a third-party laboratory?” A credible supplier will not hesitate. The report should detail the methodology, the number of participants, the exact materials tested, and the conclusion signed off by a qualified dermatologist.

Regional Variations: EU vs. US Regulations

The regulatory environment for sanitary pads adds another layer of complexity. The requirements differ significantly between major markets like the European Union and the United States, which affects the baseline safety obligations of a manufacturer.

In the European Union, sanitary pads fall under the General Product Safety Directive (2001/95/EC). This directive mandates that products placed on the market must be safe. Furthermore, the chemical components within the pad are subject to the REACH regulation (Registration, Evaluation, Authorisation and Restriction of Chemicals). REACH restricts the use of thousands of harmful chemicals, including certain dyes, fragrances, and plasticizers that could be potential skin irritants. While the EU does not explicitly require dermatological testing, the pressure to comply with REACH and the General Product Safety Directive means that manufacturers often conduct such tests to build their case for product safety and to demonstrate due-diligence.

In the United States, the Food and Drug Administration (FDA) classifies sanitary pads as Class I medical devices. This classification is for low-risk devices and exempts them from the most rigorous pre-market approval processes required for higher-risk devices. However, manufacturers are still subject to general controls, which include good manufacturing practices (GMP), proper labeling, and reporting of adverse events. The FDA is primarily concerned with the pad’s absorbent function and the potential for issues like Toxic Shock Syndrome (TSS), which is associated with tampon use but has informed the broader regulatory view of menstrual products. The FDA does not mandate dermatological testing, but it does expect the materials used to be non-toxic and generally recognized as safe.

This table provides a simplified comparison for your reference:

Característica	European Union (EU)	United States (US)
Primary Regulation	General Product Safety Directive & REACH	FDA (Food and Drug Administration)
Product Classification	General consumer product	Class I Medical Device
Chemical Regulation	Strict via REACH; restricts many specific substances	General controls; materials must be safe, less specific substance restrictions
Dermatological Testing	Not mandatory, but often done to prove safety	Not mandatory, but expected as part of good manufacturing practice
Focus	Chemical safety and general product safety	Absorbency, integrity, and prevention of major health risks like TSS

What does this mean for your business? If you plan to sell in both the EU and the US, you must ensure your supplier’s products meet the stricter of the two standards, which is generally the EU’s REACH regulation concerning chemical content. A product that passes muster in the EU is very likely to be compliant in the US, but the reverse is not always true. A reliable proveedor de compresas should be able to provide documentation for compliance in both markets.

2. The Material Question: Analyzing the Composition of Modern Sanitary Pads

To truly understand product safety, we must move beyond the surface of testing claims and regulations and look inside the product itself. The materials used to construct a sanitary pad are the primary source of any potential interaction with the skin. A modern disposable sanitary pad is a marvel of material science, a layered composite designed for comfort, discretion, and, above all, performance (Schutte-Smith, 2025). Each layer has a distinct function and a unique material profile, and each presents a different set of considerations for dermatological safety.

The Anatomy of a Sanitary Pad

Let’s dissect a typical sanitary pad to understand its components. Imagine you are holding one in your hand and peeling back the layers one by one.

1. The Topsheet (Coverstock): This is the layer that is in constant contact with the vulvar skin. Its primary job is to be soft, feel dry, and quickly transfer fluid to the layer below. Topsheets are almost always made from nonwoven fabrics. These are not woven or knitted like traditional textiles but are created by bonding or interlocking fibers. The materials are typically polymers like polypropylene (PP) or polyethylene (PE). Sometimes, they are treated with lotions or have an apertured, film-like texture to improve fluid acquisition. From a dermatological standpoint, this is the most important layer. The choice of polymer, the manufacturing process (e.g., spunbond, meltblown), and any surface treatments or coatings are all factors that can influence skin compatibility.
2. The Acquisition and Distribution Layer (ADL): Situated just beneath the topsheet, the ADL’s function is to rapidly pull fluid away from the topsheet and spread it across the absorbent core. This prevents fluid from pooling in one spot and enhances the feeling of dryness. The ADL is often a bulky, high-loft nonwoven material, sometimes a blend of polyester (PET) and bicomponent fibers. It is less of a direct concern for skin contact, but its chemical composition still matters as part of the overall product ecosystem.
3. The Absorbent Core: This is the heart of the pad, where the magic of absorption happens. For decades, the core was primarily made of “fluff pulp,” which is processed wood cellulose. Today, almost all modern pads use a mixture of fluff pulp and Superabsorbent Polymer (SAP). SAPs are incredible materials, typically sodium polyacrylate, that can absorb and retain many times their weight in liquid, turning it into a stable gel. While SAPs are locked inside the core and should not come into contact with the skin, the quality and purity of the SAP are paramount. Residual monomers from the polymerization process could be potential irritants if they were to leach out.
4. The Backsheet (Barrier Film): This is the final layer, the one that faces the underwear. Its job is to be waterproof to prevent leakage. It is typically made from a thin polyethylene (PE) film. To enhance comfort, many backsheets are now “breathable,” meaning they are microporous, allowing water vapor (perspiration) to escape but blocking liquid. This improves air circulation and reduces the damp, humid microclimate that can contribute to skin irritation.
5. Adhesives and Release Paper: Hot-melt adhesives are used to hold the layers together and to affix the pad to the underwear. These adhesives are covered by a strip of silicone-coated release paper, which is peeled off before use. The adhesives themselves do not touch the skin, but their composition is still part of the product’s overall chemical profile.

Common Irritants and Allergens

Given this complex material structure, where can things go wrong from a dermatological perspective? Skin irritation from sanitary pads, often called contact dermatitis, can arise from several sources. It is useful to categorize them.

• Irritant Contact Dermatitis: This is the more common type of reaction. It is not an allergic reaction but rather a direct physical or chemical irritation of the skin. The main culprits are friction and occlusion (the blocking of the skin). A poorly designed topsheet can be abrasive. The occlusive nature of a pad traps heat and moisture, which can disrupt the skin’s natural barrier function, making it more susceptible to irritation. The humid environment can also encourage the overgrowth of naturally present yeast and bacteria.
• Allergic Contact Dermatitis: This is a true allergic reaction, an immune system response to a specific substance. While less common, it can be more severe. Potential allergens in sanitary pads include:
  • Fragrances: Many scented pads contain complex fragrance mixtures, which are among the most common causes of allergic contact dermatitis in cosmetics. Even if a brand claims to use “natural” scents, essential oils can also be potent allergens. For this reason, many dermatologists recommend avoiding scented menstrual products altogether.
  • Dyes: Dyes used to color the topsheet or other parts of the pad for aesthetic reasons can be a source of allergens for some individuals.
  • Adhesives: Although they are not in direct contact with the vulvar skin, trace amounts of chemicals from the adhesives used in construction could potentially be problematic for highly sensitive individuals.
  • Bleaching Byproducts: Most fluff pulp used in absorbent cores is bleached to purify it and make it white. While the industry has largely moved away from elemental chlorine bleaching (which could create carcinogenic dioxins) to Elemental Chlorine-Free (ECF) or Totally Chlorine-Free (TCF) processes, questions about trace chemicals remain. TCF, which uses oxygen-based compounds like hydrogen peroxide, is generally considered the cleanest method.

The central question, “Do sanitary pads undergo dermatological testing?”, is therefore not just about the final product. It is about understanding how the choice of each raw material and each manufacturing process contributes to the final safety profile. A thorough supplier will have conducted safety assessments not just on the finished pad but on the individual raw materials as well.

The Rise of Natural and Sustainable Alternatives

In response to consumer concerns about plastics and chemicals, there has been a significant shift in the market towards products marketed as “natural” or “organic.” This trend is driven by a desire for transparency and a belief that natural materials are inherently safer and better for the environment .

These products often feature:

• Organic Cotton Topsheets: Instead of polypropylene or polyethylene, the topsheet is made from 100% organic cotton. Cotton is naturally soft, breathable, and perceived as gentler on the skin. The “organic” certification ensures it was grown without synthetic pesticides.
• Totally Chlorine-Free (TCF) Pulp: The absorbent core uses fluff pulp that has been bleached using a TCF process, avoiding any chlorine compounds.
• Bio-based Backsheets: The plastic backsheet may be replaced with a film made from plant-based materials like corn starch (PLA – polylactic acid), which is compostable under industrial conditions.
• Fragrance-Free and Dye-Free Formulations: These products eschew all additives that are not strictly necessary for function, minimizing the risk of allergic reactions.

While these materials offer compelling benefits, it is a mistake to assume “natural” automatically equates to “safe.” Cotton itself can be a source of friction. Natural materials can still harbor molds or other contaminants if not processed and stored correctly. Therefore, even for a 100% organic cotton pad, the question remains: does it undergo dermatological testing? The testing process (like HRIPT) is just as valuable for natural products as it is for conventional ones, as it provides objective, scientific validation of the product’s compatibility with human skin. When sourcing compresas personalizadas, asking about the availability of both conventional and natural material options, and the testing data for each, is a sign of a sophisticated buyer.

3. The Supplier Vetting Process: Verifying Claims and Certifications

You have now developed a nuanced understanding of what “dermatologically tested” can and should mean. You appreciate the complex interplay of materials and the differences in regional regulations. The next logical step is to translate this knowledge into a practical process for vetting a potential OEM/ODM (Original Equipment Manufacturer/Original Design Manufacturer) supplier. Relying on a supplier’s marketing materials or a simple “yes” to your questions is insufficient. A rigorous verification process is your best defense against product quality issues, regulatory non-compliance, and potential harm to your customers.

Beyond the Brochure: Requesting Technical Dossiers

The single most powerful tool in your vetting arsenal is the request for the product’s technical dossier, sometimes called a technical file or product information file (PIF). This is a comprehensive document that a manufacturer should maintain for every product they produce. It is the evidence that backs up all their safety and performance claims. A supplier’s willingness and ability to provide a complete and well-organized technical dossier is a strong indicator of their professionalism and commitment to quality.

What should you look for in a technical dossier for a sanitary pad?

• Complete Bill of Materials (BOM): This is a list of every single raw material used in the product, from the topsheet polymer to the adhesive on the release paper. It should specify the material type (e.g., polypropylene spunbond nonwoven), the supplier of the raw material, and its grade or specification.
• Raw Material Safety Data: For each component in the BOM, there should be accompanying safety documentation. This could include Material Safety Data Sheets (MSDS), supplier declarations of conformity to regulations like REACH, and any testing data on the raw materials themselves (e.g., cytotoxicity tests).
• Dermatological Test Reports: This is where you find the evidence. Insist on seeing the full, unredacted report from the laboratory that conducted the testing. As we discussed, look for an HRIPT report. Scrutinize the methodology, the number of subjects, and the final conclusion. Check the date of the report to ensure it is recent and relevant to the current product formulation.
• Other Safety and Performance Data: This might include tests for absorbency (the syngyna test), fluid retention under pressure, and biocompatibility tests based on ISO 10993 standards, such as cytotoxicity tests (which ensure the materials do not damage cells).
• Manufacturing Process Information: The dossier should briefly describe the manufacturing process, highlighting key quality control steps and hygiene measures taken in the factory.

If a supplier is hesitant to provide this information, citing “proprietary formulas,” it is a significant red flag. While they might redact the names of their own raw material suppliers, they should be able to provide all the safety and testing data associated with those materials. Transparency is not optional when it comes to product safety.

Decoding Third-Party Certifications

In a world of complex supply chains, third-party certifications act as a valuable shortcut. They provide independent verification that a product, material, or manufacturing process meets a certain standard. For sanitary pads, several certifications are highly relevant and can add a strong layer of confidence to your sourcing decision. When a supplier claims their products are certified, always ask for the certificate number and verify it on the certifying body’s public database.

Here is a table of common and reputable certifications to look for:

Certification	What It Means	Why It Matters for Sanitary Pads
OEKO-TEX® STANDARD 100	Tests the final product for a long list of harmful substances. It is a global, independent testing and certification system for textiles.	This is one of the most relevant certifications. It ensures that the textile components (like the topsheet) are free from harmful levels of substances like pesticides, heavy metals, allergenic dyes, and phthalates.
GOTS (Global Organic Textile Standard)	The leading standard for organic fibers. It covers the entire supply chain, from harvesting of the raw materials, through environmentally and socially responsible manufacturing.	If you are sourcing organic cotton pads, GOTS certification is non-negotiable. It guarantees the cotton is genuinely organic and processed according to strict environmental and social criteria.
Dermatest®	A German dermatological institute that provides various levels of testing and a seal of approval. Their “Excellent” seal is well-regarded and based on rigorous patch testing.	A Dermatest seal provides specific, third-party validation of a product’s skin compatibility. It is a more specific and verifiable claim than a generic “dermatologically tested” statement.
ISO 9001	A standard for Quality Management Systems. It certifies that a manufacturer has robust and repeatable processes for ensuring consistent product quality.	This certification is about the manufacturer’s processes, not the product itself. It shows they have a mature system for quality control, documentation, and continuous improvement.
ISO 13485	A standard for Quality Management Systems for Medical Devices.	Since the US classifies pads as medical devices, a supplier with ISO 13485 certification demonstrates a commitment to the high level of quality control expected in the medical device industry.

These certifications are not mutually exclusive. A top-tier supplier might have ISO 9001 for their factory, OEKO-TEX for their conventional pads, and GOTS for their organic cotton line. Seeing a portfolio of relevant certifications is a very positive sign.

The Factory Audit: A Non-Negotiable Step

Documentation and certificates can tell you a lot, but nothing replaces seeing the manufacturing environment for yourself. A factory audit, whether conducted by your own team or a reputable third-party inspection agency, is a vital step in the supplier qualification process.

During an audit, you can verify:

• Hygiene and Contamination Control: Is the production area clean? Do workers follow proper hygiene protocols (gowns, masks, gloves)? Are there measures in place to prevent contamination from pests, dust, or other foreign materials? Sanitary pads are hygiene products; they must be made in a hygienic environment.
• Quality Control Processes: You can observe the quality checks being performed on the production line. Are there systems for detecting defects? How are raw materials inspected upon arrival? How are finished products tested before shipment?
• Traceability: Can the factory trace a specific batch of finished products back to the exact batches of raw materials used to make them? A robust traceability system is essential for managing any potential quality issues or recalls.
• Equipment and Maintenance: Is the machinery modern and well-maintained? Poorly maintained equipment can lead to product defects and inconsistencies.

A factory audit provides a holistic view of a supplier’s capabilities and their true commitment to quality. A supplier who welcomes an audit is one who is confident in their operations. Learning about the company’s history, values, and long-term vision, which you can often do by exploring their story on an about us page, can supplement the hard data from an audit with a sense of partnership and shared values.

4. Industry Standards and Guidelines: Aligning with EDANA and ISO

Beyond governmental regulations and third-party certifications, mature industries often develop their own codes of practice and technical standards. These are created by industry associations to establish best practices, ensure product safety, and promote consumer confidence. For absorbent hygiene products (AHPs), which include sanitary pads, baby diapers, and adult incontinence products, the leading associations are EDANA in Europe and INDA in North America. Aligning with a supplier who adheres to these industry-led standards is another crucial check in your due diligence process.

EDANA’s Code of Practice for Absorbent Hygiene Products

EDANA is the international association serving the nonwovens and related industries. Their membership includes raw material suppliers, machinery manufacturers, and the producers of the final products. Over the years, EDANA has developed a comprehensive set of guidelines and test methods that have become the de facto standard for the AHP industry in Europe and are influential globally.

One of their key contributions is the “Supply Chain Vision for Absorbent Hygiene Products.” This framework outlines expectations for the entire supply chain to ensure the final products are safe, effective, and of high quality. A key part of this is the emphasis on risk assessment. A responsible manufacturer, following EDANA’s principles, should conduct a thorough safety assessment of their product. This assessment considers:

• The chemical composition of all raw materials.
• Potential exposure to these chemicals during the product’s use.
• The toxicology of each chemical component.

This process is designed to identify and mitigate any potential risks long before the product reaches the consumer. EDANA also provides standardized test methods for measuring properties like absorbency, fluid acquisition time, and rewet (the amount of moisture that comes back to the surface under pressure). When a supplier provides performance data, ask if it was generated using EDANA/INDA standardized test methods. This ensures the data is reliable and comparable across different suppliers.

So, when you pose the question, “Do sanitary pads undergo dermatological testing?”, a sophisticated follow-up is, “Do you follow the EDANA Code of Practice for product safety and stewardship?” A positive and knowledgeable response indicates that the supplier is engaged with industry best practices and is not simply operating in a vacuum.

The Role of ISO Standards

The International Organization for Standardization (ISO) develops and publishes a vast range of proprietary, industrial, and commercial standards. While many ISO standards are not specific to sanitary pads, several are highly relevant and demonstrate a manufacturer’s commitment to global quality benchmarks.

The most important one in this context is ISO 10993: Biological evaluation of medical devices. This is a multi-part standard that provides a framework for assessing the biocompatibility of a medical device. Since sanitary pads are considered medical devices in the US and are in intimate contact with the body, the principles of ISO 10993 are directly applicable.

Key parts of ISO 10993 include:

• ISO 10993-5: Tests for in vitro cytotoxicity: This test exposes cell cultures in a lab to extracts from the product material. It checks if the material leaches any substances that are toxic to cells. Passing this test is a fundamental first step in proving a material is safe.
• ISO 10993-10: Tests for irritation and skin sensitization: This part of the standard provides detailed methodologies for conducting tests like the patch tests we discussed earlier. An HRIPT performed according to ISO 10993-10 is a very robust piece of evidence.
• ISO 10993-18: Chemical characterization of materials: This standard outlines how to analyze the chemical composition of a material and identify and quantify any leachable substances.

A supplier who can provide test reports showing compliance with relevant parts of ISO 10993 is demonstrating a very high level of scientific rigor. They are not just performing a generic “skin test”; they are following an internationally recognized framework for proving biocompatibility. This is often more meaningful than a simple marketing claim.

Supply Chain Traceability and Transparency

Underpinning all these standards and codes of practice is the concept of traceability. In a complex, global supply chain, a sanitary pad can be composed of materials from half a dozen different countries. The fluff pulp might come from Scandinavia, the SAP from Japan, the nonwoven topsheet from Germany, and the backsheet film from South Korea, all before being assembled in a factory in China.

A trustworthy manufacturer must have systems in place to track every component. This is what traceability means. They should be able to take a finished product, identified by its batch code, and trace it back to the specific lots of raw materials used in its construction.

Why is this so important?

1. Quality Control: If a defect is found in a batch of finished goods, traceability allows the manufacturer to quickly identify the source of the problem. Was it a bad batch of adhesive? A faulty roll of nonwoven? Without traceability, the investigation is nearly impossible.
2. Recall Management: In the rare but serious event that a product needs to be recalled from the market, traceability systems are essential to define the scope of the recall. It allows the company to recall only the affected batches, rather than every product on the shelf.
3. Accountability and Trust: A transparent supply chain builds trust. When a supplier can confidently tell you where their cotton is from, who supplies their SAP, and what safety checks are performed at each stage, it shows a level of control and professionalism that is deeply reassuring. To find a partner who embodies this principle, it is wise to seek out an established and trusted sanitary napkin supplier with a proven track record.

5. Future-Proofing Your Brand: Proactive Safety and Consumer Trust

Successfully navigating the complexities of dermatological testing and supplier vetting is not a one-time task. It is an ongoing commitment. The market, consumer expectations, and scientific understanding are constantly evolving. A brand that merely meets today’s minimum requirements may find itself behind the curve tomorrow. To build a resilient and trusted brand for the long term, you must adopt a proactive stance on product safety and cultivate a transparent relationship with your customers.

Post-Market Surveillance: Monitoring Customer Feedback

Launching a product is not the end of the safety journey; it is the beginning of a new phase. Post-market surveillance (PMS) is the process of actively monitoring the safety and performance of your product once it is in the hands of consumers. This is not just a best practice; it is a regulatory requirement in many jurisdictions, including for medical devices under the FDA and for all consumer products in the EU.

A robust PMS system should include:

• A Clear Channel for Feedback: Your product packaging and website should make it easy for customers to contact you with questions, compliments, or complaints. This could be a dedicated email address, a toll-free phone number, or a contact form.
• Systematic Complaint Handling: Every piece of feedback, especially any report of skin irritation or discomfort, must be logged, investigated, and tracked. You should have a formal procedure for this. The investigation should involve gathering details from the customer (e.g., batch number from the packaging, usage habits) and escalating the issue to your supplier.
• Trend Analysis: Periodically, you should analyze your complaint data to look for trends. Is there a sudden increase in reports of irritation? Are complaints linked to a specific product batch? This analysis can provide an early warning of a potential manufacturing or raw material issue.
• Supplier Collaboration: Your agreement with your supplier should include clauses about how post-market feedback will be handled. They must be responsive to your requests for investigation and be able to use their traceability systems to pinpoint the source of any problems.

By actively listening to your customers, you not only fulfill your regulatory obligations but also gather invaluable data that can be used to improve your product over time. You also demonstrate to your customers that you take their well-being seriously, which is a powerful way to build brand loyalty.

Investing in Advanced Testing Protocols

The HRIPT is a well-established and reliable test, but science does not stand still. To position your brand as a leader in safety and innovation, you might consider going beyond the standard tests.

One such approach is the in-use test o use-in-life study. Unlike a patch test, where a small piece of material is applied to the arm or back, an in-use test involves a panel of volunteers using the actual product as intended for a period of time. For sanitary pads, this would mean a group of women would use the pads during their menstrual cycle. They would be under the supervision of a dermatologist and/or a gynecologist and would be regularly examined for any signs of skin irritation in the vulvar area. They would also fill out detailed questionnaires about their experience of the product’s comfort, softness, and any perceived sensations.

An in-use study is more complex and expensive to conduct than a standard patch test, but its results are incredibly powerful. It provides data from the real-world conditions of use, accounting for the unique environment of the vulvar region (which is different from the skin on the back) and the presence of menstrual fluid, heat, and friction from movement. Being able to state that your product has been “clinically tested in-use under dermatological and gynecological control” is a much stronger and more defensible claim than a simple “dermatologically tested.”

Communicating Safety to Your Customers

The final piece of the puzzle is communication. All the rigorous testing and supplier vetting you have done is of little value if you cannot communicate it to your customers in a way that is clear, honest, and builds trust.

The key is to move from vague claims to specific facts.

• Instead of: “Dermatologically Tested”
• Consider: “Clinically tested on 50 human volunteers and proven to be non-irritating.” or “Independently certified as skin-friendly by the Dermatest® institute in Germany.”
• Instead of: “Chemical-Free” (an impossible and misleading claim, as everything, including water, is a chemical)
• Consider: “Made without fragrances, dyes, or chlorine bleaching.” or “Our fluff pulp is bleached using a Totally Chlorine-Free (TCF) process.”
• Instead of: “All-Natural”
• Consider: “Made with a 100% organic cotton topsheet, certified by GOTS.”

This kind of specific, fact-based communication does two things. First, it educates your customer and shows respect for their intelligence. Second, it builds a “moat” around your brand. Competitors who have not done the same level of due diligence cannot honestly make the same specific claims. Your investment in safety becomes a tangible competitive advantage.

Ultimately, the question “Do sanitary pads undergo dermatological testing?” is not one with a simple yes or no answer. It is a starting point for a deeper inquiry into a supplier’s processes, a product’s materials, and a brand’s philosophy. By embracing this complexity and committing to a path of rigorous verification and transparent communication, you can build a brand that not only succeeds in the market but also earns the lasting trust and loyalty of its customers.

Frequently Asked Questions (FAQ)

1. Are “hypoallergenic” sanitary pads truly free of allergens?

The term “hypoallergenic” suggests that a product is less likely to cause an allergic reaction. However, like “dermatologically tested,” it is not a legally regulated term. It usually means the manufacturer has avoided common allergens like fragrances and dyes. It does not guarantee that no one will ever have a reaction to the product. For individuals with known sensitivities, it is always best to check the full ingredient list and choose products with the simplest formulations.

2. What is the difference between dermatologically tested and gynecologically tested?

“Dermatologically tested” refers to testing for skin compatibility, typically performed on the skin of the arm or back under the supervision of a dermatologist. “Gynecologically tested” implies that the testing was conducted under the supervision of a gynecologist and may have involved actual in-use studies where women used the product as intended. A product tested under gynecological control provides a higher level of assurance for intimate hygiene products.

3. Can sanitary pads cause contact dermatitis?

Yes, it is possible. Contact dermatitis from sanitary pads can be either irritant dermatitis (caused by friction, moisture, and heat) or, less commonly, allergic dermatitis (an allergic reaction to a specific ingredient like a fragrance, dye, or preservative). Improving breathability, ensuring a soft topsheet, and choosing fragrance-free products can help minimize the risk.

4. How does the bleaching process affect the safety of pads?

The wood pulp used in the absorbent core is bleached to purify it. Older methods using elemental chlorine gas could create trace amounts of harmful dioxins. Today, most manufacturers use either Elemental Chlorine-Free (ECF) bleaching (using chlorine dioxide) or Totally Chlorine-Free (TCF) bleaching (using oxygen, ozone, or hydrogen peroxide). TCF is considered the cleanest method, as it avoids all chlorine compounds. Reputable suppliers should be able to specify which process they use.

5. Are organic cotton pads always safer for sensitive skin?

Not necessarily, but they can be a good option. Organic cotton avoids exposure to pesticides used in conventional cotton farming. Cotton is also very breathable. However, safety is about the entire product. An organic cotton pad could still cause irritation if it has a poor design, contains other irritating ingredients like fragrances, or is manufactured in unhygienic conditions. The best approach is to look for a product that combines a simple, high-quality material like organic cotton with proven dermatological testing.

6. What are the most important questions to ask my OEM/ODM supplier about testing?

Beyond asking “Do your sanitary pads undergo dermatological testing?”, you should ask:

• Can you provide the full HRIPT or patch test report from a third-party lab?
• What other biocompatibility tests (like ISO 10993) have you performed?
• Are your products compliant with EU REACH regulations?
• Can you provide third-party certificates like OEKO-TEX or GOTS?
• What bleaching process (ECF or TCF) do you use for your pulp?
• Do you have a post-market surveillance system in place?

Conclusión

The inquiry into the dermatological testing of sanitary pads moves us beyond simple assurances and into the very heart of what it means to be a responsible brand in the 21st century. It is a question that reveals the intricate connections between material science, regulatory compliance, supply chain management, and consumer trust. The answer is not found in a simple “yes” or “no” but in a comprehensive process of verification. It requires brand owners to become educators, investigators, and advocates for their customers’ well-being. By demanding transparency, scrutinizing technical data, verifying certifications, and understanding the standards that govern the industry, you transform a potential liability into a powerful asset. A product proven to be safe through rigorous, verifiable testing is not just a compliant product; it is a promise kept. It is the foundation upon which a brand’s reputation for quality, care, and integrity is built, fostering a bond of trust with the consumer that is ultimately the most valuable asset of all.

References

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Schutte-Smith, M. (2025). Review: Sanitary pads—composition, regulation, and ongoing research to address associated challenges. Journal of Materials Science, 60, 1-21. https://link.springer.com/article/10.1007/s10853-025-11151-7

Childsea. (2025). The ultimate 2025 guide: 7 pad types & what is considered a sanitary napkin. Childsea. https://www.childsea.com/the-ultimate-2025-guide-7-pad-types-what-is-considered-a-sanitary-napkin/

European Chemicals Agency. (n.d.). Understanding REACH. ECHA.

Giridhar, J. (2023, September 18). The science of the sanitary pad. Youth STEM 2030. https://www.youthstem2030.org/youth-stem-matters/read/the-science-of-the-sanitary-pad

Hirn, U., Bauer, W., & Veigel, S. (2023). The influence of viscose fibre properties on the absorbency of feminine hygiene tampons: The pivotal role of cross-sectional geometry. Cellulose, 31, 1483–1495. https://link.springer.com/article/10.1007/s10570-023-05641-7

International Organization for Standardization. (n.d.). ISO 10993-1:2018: Biological evaluation of medical devices — Part 1: Evaluation and testing within a risk management process. ISO.

Nabta Health. (2024). What are sanitary pads?. Nabta Health. https://nabtahealth.com/article/what-are-sanitary-pads/

U.S. Food and Drug Administration. (2023, March 21). Menstrual pads and tampons. FDA.

OEKO-TEX®. (n.d.). STANDARD 100 by OEKO-TEX®. https://www.oeko-tex.com/en/our-standards/oeko-tex-standard-100