Is Icon Underwear PFAS-free?
Across 8 graded products, Icon Underwear averages F (36/100). On disclosure, the brand says nothing publicly about PFAS. 2 of its products grade C or better. Grades are model-based estimates, not lab results.
Worth buying from Icon Underwear C or better, safest first
Icon Underwear
The Period Company The Bikini Period. in Sporty Stretch For Heavy Flows
Nylon/elastane blend (Sporty Stretch)
Lower PFAS concern; standard period-care textile with no known water-resistant finish.
⚠Risky category by default
Icon Underwear
Small- Icon Speax Undies For Light Leaks- Undies Size S- Thong-beige
Cotton/synthetic blend fabric, likely untreated
Lower-concern basic undies, but no transparency on treatment processes.
⚠Risky category by default
Graded and flagged D and F, we’d swap these
Icon Underwear
Hanes Women's Comfort, Period. Brief Underwear 3-Pack Moderate Leakproof
Cotton/polyester blend with leakproof treatment (unspecified)
Skip until brand discloses leakproof treatment chemistry, likely PFAS risk.
⚠Waterproof or stain-proof treatment
Icon Underwear
Icon Intimates & Sleepwear | Icon Undies Hi-Waist Period Underwear Panties Size Xs Beige (For Moderate Leaks) | Color: Cream/Tan | Size: Xs |
Gusseted cotton blend with waterproof/absorbent lining (likely Teflon-family coating-treated for leak protection)
Skip until Icon discloses waterproof coating chemistry, period underwear absorbent linings commonly use PFAS-containing water-repellent coating treatments.
⚠Waterproof or stain-proof treatment
Icon Underwear
Thinx Intimates & Sleepwear Thinx for All Women's Period Underwear
Cotton-blend with waterproof/moisture-wicking treatment (formulation unspecified)
Skip until brand discloses waterproof coating chemistry or third-party testing.
⚠Waterproof or stain-proof treatment
Icon Underwear
Icon By Thinx Speax Bikini Women Ladies Underwear Bladder Moderate
Nylon/polyester blend with waterproof/moisture-wicking coating
Skip until brand discloses coating chemistry; waterproof underwear for incontinence typically uses PFAS-based treatments.
⚠Waterproof or stain-proof treatment
Icon Underwear
Icon by Thinx Leak Proof Panties Thong
Gusseted fabric with leak-proof coating (composition unspecified)
Skip until brand discloses coating chemistry, leak-proof underwear typically uses water-resistant treatments that may contain PFAS.
⚠Waterproof or stain-proof treatment
Icon Underwear
PERIOD Bikini Period Underwear for Medium Flows
Absorbent gusset with waterproof backing layer (likely water-repellent coating-treated synthetic)
Skip until brand discloses waterproof treatment chemistry or certifies PFAS-free.
⚠Waterproof or stain-proof treatment
Every grade uses the same public rubric. How grades work →