About Our Fabrics
Our Period Underwear are OEKO-TEX®–certified and use dyes and finishes free of PFAS-based treatments.
Ingredients (Intentionally Added):
Body Fabric
- Polyamide (nylon) fibers
- Spandex (elastane) fibers
- Disperse and reactive dyes (for coloration)
- Moisture-wicking finish (applied to fabric to improve absorbency and comfort)
Gusset — Top Layer (Skin Touch)
- Cotton fibers
- Reactive dyes (for coloration, if dyed)
Gusset — Absorbent/Barrier Layer
- Polyester fibers
- Thermoplastic polyurethane (TPU) film (waterproof barrier)
- Adhesives used in lamination of TPU to fabric
General Construction
- Nylon and polyester sewing threads
- Elastic trim containing spandex
- Inks used for label/heat-transfer printing
Ingredients Not Used
- Added fragrances
- Lotions
- PFAS-based treatments
- Antimicrobial chemicals (e.g., silver, zinc, copper)
- Formaldehyde-based finishes