Thinx
Thinx Hiphugger Period Underwear
Women's Health
66
Avoid
Safety Summary
[object Object]
Key Concerns
Positive Signals
Score Breakdown
Certifications
Ingredients (5)
| Ingredient | Risk Level | Notes |
|---|---|---|
| Absorbent Layer (Microfiber Polyester) | Caution | Synthetic absorbent core; microfiber shedding is an environmental concern but low direct health risk |
| Leak-Resistant Layer (TPU Laminate) | Caution | Thermoplastic polyurethane waterproof barrier; PVC-free and phthalate-free but still synthetic polymer |
| Moisture-Wicking Layer (Nylon/Elastane) | Caution | Synthetic moisture management layer; petroleum-derived but standard in athletic wear |
| Organic Cotton Gusset Lining | Beneficial | OEKO-TEX certified organic cotton layer in direct skin contact; updated after 2023 PFAS controversy |
| PFAS-Free (Post-2023 Reformulation) | Low Risk | Thinx reformulated after class-action lawsuit over PFAS; now certified PFAS-free by third-party testing |