When sourcing period underwear, product safety and certification are important for brands, retailers, and wholesalers.
One certification you may see from suppliers is OEKO-TEX® STANDARD 100. But there is an important detail to check: which product class does the certificate cover?
What Is OEKO-TEX STANDARD 100?
OEKO-TEX® STANDARD 100 is a textile safety certification that tests products for harmful substances. The requirements are based on how the textile is used and how much contact it has with the skin.
OEKO-TEX has four product classes:
- Class I: Products for babies and toddlers
- Class II: Products with direct skin contact
- Class III: Products without direct skin contact
- Class IV: Home and decorative textiles
Class I has the strictest requirements. Class II is commonly used for products that have direct contact with the skin.
For more information, see the official OEKO-TEX STANDARD 100 information.
OEKO-TEX Class I vs Class II
The main difference is the intended use and the applicable testing requirements.
Class I is designed for baby and toddler products and has the strictest requirements and limit values.
Class II is designed for products with direct skin contact. This makes it relevant when evaluating underwear and other intimate apparel.
Some products can also be tested against stricter requirements than their normal product class. Therefore, when a supplier says “OEKO-TEX certified period underwear,” ask for the actual certificate and check the details.
Why Certification Matters for Period Underwear
Period underwear is usually made with several components rather than a single fabric. Depending on the design, these may include:
- Outer fabric
- Absorbent layers
- Moisture-wicking fabric
- Leak-resistant layer
- Elastic and thread
- Labels and trims
For this reason, B2B buyers should understand exactly what a supplier’s certification covers.
Fabric Certification vs Finished Product
A certificate for a particular fabric does not automatically mean that the complete finished underwear product has the same certification.
When working with an OEM period underwear manufacturer, ask whether the documentation applies to the fabric, individual components, or the finished product.
OEKO-TEX also explains that certification can cover different stages of textile production, and buyers can verify certified products through its Label Check system.
5 Questions to Ask Your Period Underwear Supplier
- What is the OEKO-TEX certificate number?
- Which product class is listed?
- Does the certificate cover the finished product or only the fabric?
- Who is the certificate holder?
- Is the certificate currently valid?
These simple questions can help brands compare OEM underwear suppliers and avoid misunderstandings about certification.
OEKO-TEX Certificate
What Else Should B2B Buyers Check?
Certification is only one part of choosing a reliable period underwear manufacturer.
Before placing a bulk order, also consider:
- Absorbency performance
- Leak protection
- Fabric quality
- Washing durability
- Size and fit
- Quality-control procedures
- OEM and ODM capabilities
- MOQ and production capacity
A professional manufacturer should be able to explain its materials, production process, testing, and certification documentation clearly.
OEM & ODM Period Underwear from Shanhao Undies
Shanhao Undies manufactures functional underwear for international brands and wholesale buyers.
Our product range includes period underwear, incontinence underwear, and maternity underwear, with OEM and ODM customization available.
We can support brands with:
- Custom designs and colors
- Different fabrics and materials
- Custom sizes
- Absorbency-focused designs
- Private-label packaging
- Bulk production
- OEM and ODM development
If you are looking for an experienced OEM period underwear manufacturer, contact Shanhao Undies to discuss your product requirements.
Frequently Asked Questions
Is OEKO-TEX Class I stricter than Class II?
Yes. Class I has the strictest requirements under OEKO-TEX STANDARD 100 and is intended for products for babies and toddlers. Class II is intended for products with direct skin contact.
Is Class II used for underwear?
Class II is designed for products with direct skin contact. Buyers should still check the specific certificate and product scope when evaluating an underwear supplier.
Does an OEKO-TEX fabric certificate cover finished period underwear?
Not necessarily. Always check whether the certification applies to the fabric, individual components, or the finished product.
How can I check an OEKO-TEX certificate?
Ask your supplier for the certificate number and use the official OEKO-TEX Label Check resources to verify the certification.
Can Shanhao manufacture private-label period underwear?
Yes. Shanhao Undies provides OEM and ODM period underwear manufacturing for brands and wholesale buyers looking for customized menstrual underwear products.
Final Thoughts
When choosing a period underwear supplier, don’t look only at the OEKO-TEX logo.
Check the product class, certificate scope, certificate holder, and validity. Then evaluate the manufacturer’s materials, testing, quality control, customization options, and production capabilities.
For brands looking for OEM, ODM, or private-label period underwear, choosing the right manufacturing partner is an important part of building a reliable product line.
Looking for an OEM period underwear manufacturer? Contact Shanhao Undies to discuss your requirements.