Discover whether you can swim in period underwear, how waterproof they are, and why period swimwear for teens is a better choice. Learn what to wear during your period when swimming.

This practical guide from Lynmiss explains how long to wear period underwear, when to change them, and how to make them last longer. With insights tailored for both individuals and B2B partners, it highlights best-use practices, hygiene tips, and product care strategies. Discover why Lynmiss's four-layer, patent-backed designs are ideal for heavy flow, overnight use, and eco-conscious customers.

Period underwear is now officially eligible for FSA and HSA reimbursement in the U.S., opening new doors for retailers, distributors, and private label brands. This article explains what this policy change means, why it matters for the menstrual care market, and how Lynmiss—an experienced, certified period underwear manufacturer—can support B2B clients with compliant, sustainable, and customizable solutions.

This B2B guide explains how period panties work, covering multi-layer technology, sustainable benefits, and how Lynmiss supports OEM/ODM partnerships with certified, high-performance menstrual underwear.

LYNMISS offers the best leakproof period panties for women—PFAS-free, reusable & ultra-absorbent. Explore eco-friendly menstrual underwear or customize your brand with our OEM services!