Non-Toxic Clothing Brands You Can Trust

“Wrinkle-free,” “stain-resistant,” and “antimicrobial” are chemical finishes, often formaldehyde-based resins or PFAS. Azo dyes are a second concern on cheap fast fashion.

GOTS certification covers both the fibre and the processing, which is why it is the label worth paying for. OEKO-TEX Standard 100 tests the finished garment for harmful substances and is a reasonable minimum.