Is Stayfree PFAS-free?
Across 20 graded products, Stayfree averages F (39/100). On disclosure, the brand says nothing publicly about PFAS. 6 of its products grade C or better. Grades are model-based estimates, not lab results.
Worth buying from Stayfree C or better, safest first
Stayfree
Vintage 1996 Stayfree Classic Panty Liner Pads Tv Movie Prop
Cotton/cellulose absorbent core, adhesive backing
Lower PFAS concern for a 1996 panty liner; absorption function doesn't typically require PFAS coatings.
⚠Risky category by default
Stayfree
Tampons
rayon/viscose, cotton, and absorbent core
Lower concern; no known PFAS use in tampon design, but brand offers no transparency.
⚠Risky category by default
Stayfree
Ob Tampons Heavy Flow 10ct Dynamic Fit Rash-free 100% Leak
Rayon/viscose, cotton, absorbent core (unspecified composition)
Lower-concern option; no known PFAS indicators, but composition opaque, contact brand for specifics.
⚠Risky category by default
Stayfree
Tampons by OB| Heavy flow|10 piece| Dynamic Fit Technology| Rashfree| No skin irritation| Upto 100% leakage protection| Silk touch technology
Rayon/cotton blend with viscose core (standard tampon construction)
Lower PFAS risk than coated apparel or nonstick cookware, but brand transparency is absent.
⚠Risky category by default
Stayfree
Ob Super Tampons 10's - Buy 2 Get 1 Free | Heavy Flow | Rash
cotton/rayon blend with plastic applicator
Lower PFAS concern; standard tampon materials don't typically require PFAS, but Stayfree makes no transparency statement.
⚠Risky category by default
Stayfree
Secure Cottony 18n
Cotton-based absorbent core, adhesives, plastic backing
Lower-concern category, but Stayfree has not publicly disclosed PFAS use or avoidance.
⚠Risky category by default
Graded and flagged D and F, we’d swap these
Stayfree
Ultra Thin Overnight Pads with Wings
nonwoven polypropylene, absorbent core, waterproof backing layer (unspecified composition)
Unspecified waterproof backing raises concern; no PFAS disclosure from brand.
⚠Waterproof or stain-proof treatment
Stayfree
Maxi Pads Super Without Wings 66 Count
Cellulose core, synthetic polymer topsheet and backing layers; waterproof coating unspecified
Menstrual pads commonly use waterproof coatings; Stayfree discloses nothing about PFAS, higher uncertainty than ideal.
⚠Waterproof or stain-proof treatment
Stayfree
Classic Super Long Pads
Cellulose core, synthetic absorbent, waterproofed backing layer
Skip until brand confirms waterproofing method, PFAS risk in period pads' leak barriers remains opaque.
⚠Waterproof or stain-proof treatment
Stayfree
Maxi Pads Super 48 Count
Cellulose, polymers, adhesives with unspecified water-resistant coating
Skip until Stayfree discloses coating ingredients or obtains third-party PFAS verification.
⚠Waterproof or stain-proof treatment
Stayfree
Maxi Pads Regular 24 Count
cellulose/rayon core with synthetic polymer backsheet and adhesive layers
Common PFAS concern in menstrual pads; Stayfree does not disclose water-repellent chemistry, skip if PFAS-sensitive.
⚠Waterproof or stain-proof treatment
Stayfree
Super Maxi Pads
cellulose/rayon absorbent core with unspecified waterproof backing layer
Skip until Stayfree discloses waterproof layer composition, menstrual pads with unspecified water-repellent coating coatings carry PFAS risk.
⚠Waterproof or stain-proof treatment
Stayfree
Maxi Pads for Women Super
Cotton/rayon blend with waterproof backing (coating type unspecified)
Skip until Stayfree discloses waterproof coating composition.
⚠Waterproof or stain-proof treatment
Stayfree
Ultra Thin Super Long Pads with Wings
nonwoven cellulose core, plastic backing with waterproof treatment (unspecified)
Skip until brand discloses waterproofing agents; period products often use undisclosed water-repellent coating treatments.
⚠Waterproof or stain-proof treatment
Stayfree
Carefree Panty Liners
nonwoven polypropylene with moisture-barrier coating (unspecified)
Skip until Stayfree discloses waterproof treatment chemistry; PFAS risk in absorbent menstrual products is documented but unconfirmed here.
⚠Waterproof or stain-proof treatment
Stayfree
Carefree Acti Fresh Body Shape Regular
Nonwoven blend with proprietary water-resistant coating
Skip until brand discloses waterproofing chemistry, PFAS risk unconfirmed but unaddressed.
⚠Waterproof or stain-proof treatment
Stayfree
Ultra Thin Super Long Pads
absorbent core, plastic backing, adhesive layers (unspecified coating)
Skip until brand discloses waterproof treatment chemistry, period pads use liquid barriers that commonly contain PFAS.
⚠Waterproof or stain-proof treatment
Stayfree
Carefree Acti- Fresh Body Shape Long To Go Pantiliners
nonwoven synthetic blend with waterproof backing (composition unspecified)
Skip until Stayfree discloses waterproof coating chemistry or provides PFAS-free verification.
⚠Waterproof or stain-proof treatment
Stayfree
secure XL 6N
nonwoven synthetic fibers with undisclosed waterproofing/moisture barriers
Skip until Stayfree discloses waterproofing chemistry; absorbent hygiene products often use fluorinated water-repellent coating coatings.
⚠Waterproof or stain-proof treatment
Stayfree
Maxi Regular 10 Count (Pack of 2)
Cellulose, absorbent core; waterproof backing (unspecified polymer)
Skip until brand discloses waterproof backing chemistry; menstrual products touching skin warrant PFAS transparency.
⚠Waterproof or stain-proof treatment
Every grade uses the same public rubric. How grades work →