Period Underwear Manufacturing: The Complete B2B Guide for Brands Entering the Fastest-Growing Category in Feminine Hygiene (2026)
TL;DR: Period underwear is the fastest-growing segment in the global feminine hygiene market, projected to grow from USD 199 million in 2026 to USD 875 million by 2035 at an 18.2% CAGR. For brands and retailers, it represents a high-margin, high-loyalty product category — but manufacturing requires strict material certification, multi-layer construction expertise, and PFAS-free










