Introduction: Why Period Swimwear is a Growing OpportunityThree years ago, I received an email that changed how I thought about our business. A swimwear brand founder in California asked if we could manufacture period swimwear—swimwear designed to be worn during menstruation without additional prote
Introduction: Why I Wrote This GuideEvery month, millions of people trust period underwear to keep them protected during their menstrual cycle. But most have no idea what's actually happening inside those slim, comfortable garments. When I started manufacturing period underwear eight years ago, I as
Introduction: Why Testing Is the Foundation of TrustYesterday, I received our latest batch of laboratory reports from our third-party testing facility. Twelve tests, covering everything from chlorine resistance to chemical safety. I sat in my office and went through each one carefully — the same way
IntroductionA few years back, we took apart a competitor's period swimsuit on the factory floor. Standard practice — whenever we start working on a new product line, we buy what we can find on the market and see what's actually in there.The crotch seam on that suit was maybe 3mm thick. I held it up
IntroductionThe first time we ran leak-proof underwear through our production line, I spent an hour on the factory floor staring at the crotch seam.Standard practice — whenever we start a new product category, we pull apart what's selling on the market. See what works, what doesn't, and where the en
Yesterday, a client asked us to develop something I had never been asked to make before.Not a period panty. Not a nursing bra. Not a sports bra.She wanted a period bralette — a wire-free, cup-free, vest-like top designed specifically for the days when a young woman's breasts are swollen, tender, and
I'm going to tell you something that most period underwear manufacturers won't admit.The teen market terrifies us. Not because the engineering is harder — it's actually simpler than adult performance products. It terrifies us because the cost of getting it wrong is measured in a girl's confidence, n
Yesterday morning, my colleague Zoey shared an email with me from a new client—a brand founder finalizing the brief for her company's first line of period underwear.Her technical requirements were standard for a premium 2026 brand: heavy absorbency (30–50ml), extended gussets, OEKO-TEX certified fab
