Is U by Kotex PFAS-free?
Across 16 graded products, U by Kotex averages F (48/100). On disclosure, the brand says nothing publicly about PFAS. 8 of its products grade C or better. Grades are model-based estimates, not lab results.
Worth buying from U by Kotex C or better, safest first
U by Kotex
Click Compact Unscented Tampons
viscose rayon core, cotton applicator, plastic/polypropylene compact
Lower concern, standard tampon materials carry minimal inherent PFAS risk, but brand makes no public safety commitment.
⚠Risky category by default
U by Kotex
Sleek Tampons
rayon, cotton, polyethylene applicator
Lower PFAS concern; core materials are conventional fibers without reported water-repellent coating or stain-resistant treatments.
⚠Risky category by default
U by Kotex
Tampons 16 Pack
rayon/cotton core, polyethylene plastic applicator
Lower PFAS concern, no known waterproofing/coatings typical of PFAS-risk products, but brand discloses nothing.
⚠Risky category by default
U by Kotex
Kotex Security Super Unscented Tampons
rayon/cotton absorbent core, plastic applicator
Lower-concern period product; no known PFAS indicators, but Kotex has not publicly disclosed PFAS testing.
⚠Risky category by default
U by Kotex
Click Unscented Super Compact Tampons
rayon/cotton blend, unbleached
Lower PFAS concern; standard tampon material unlikely to require PFAS treatments.
⚠Risky category by default
U by Kotex
U KOTEX Regular Tampons 32 Pack
rayon/cotton core, polypropylene wrapper
Lower-concern choice; no known PFAS triggers, but brand makes no public commitment.
⚠Risky category by default
U by Kotex
Security Tampons,
rayon/viscose core, cotton outer layer, minimal synthetic components
Lower-concern tampon; no known PFAS drivers, but brand offers no transparency.
⚠Risky category by default
U by Kotex
Click Compact Multipack Unscented Tampons, Regular/Super
rayon/viscose core, cotton blend outer layer
Lower concern; tampons lack typical PFAS drivers, but brand makes no disclosure.
⚠Risky category by default
Graded and flagged D and F, we’d swap these
U by Kotex
Fitness Ultra Thin Pads with Wings
Absorbent core (cellulose/SAP), plastic backing, adhesive
Skip until Kotex discloses or tests, period products warrant transparency on waterproofing agents.
⚠Waterproof or stain-proof treatment
U by Kotex
Clean & Secure Ultra Thin Overnight Pads with Wings
cellulose/rayon core, polyethylene, waterproof backing (composition unspecified)
Skip until brand discloses waterproof coating composition, period pads often use unspecified water-resistant treatments.
⚠Waterproof or stain-proof treatment
U by Kotex
Kotex BioCare Ultra Thin Heavy Pads with Wings
Cellulose/rayon core with polyethylene and unspecified waterproof back layer
Waterproof backing raises PFAS concern; brand discloses nothing, request transparency before buying.
⚠Waterproof or stain-proof treatment
U by Kotex
Kotex Ultra Thin Pads with Wings
Cellulose core, synthetic absorbent polymers, waterproof backing (unspecified polymer/coating)
Skip until brand discloses waterproof backing composition.
⚠Waterproof or stain-proof treatment
U by Kotex
Security Maxi / Overnight Feminine Pad
nonwoven cellulose/polypropylene core; waterproofed backing (unspecified treatment)
Unknown waterproofing method raises concern; brand silence on PFAS is a red flag for period care.
⚠Waterproof or stain-proof treatment
U by Kotex
Kotex U by Kotex Maxi Overnight Maxi Pads
absorbent core (wood pulp/SAP), nonwoven layers, polyethylene back sheet with waterproofing agent (unspecified)
Skip until waterproofing agent is disclosed, likely PFAS but unconfirmed.
⚠Waterproof or stain-proof treatment
U by Kotex
CleanWear Heavy Flow Ultra Thin Pads with Wings
Cellulose/absorbent core + unspecified waterproof backing coating
Likely lower PFAS concern than cosmetics/apparel, but waterproof backing composition unverified, skip if PFAS-avoidant.
⚠Waterproof or stain-proof treatment
U by Kotex
Kotex Maxi Pads Clean & Secure Overnight Security 40 Count
cellulose/wood pulp with waterproof backing coating (unspecified)
Skip until brand discloses waterproof treatment chemistry; menstrual pads often use fluorinated coatings.
⚠Waterproof or stain-proof treatment
Every grade uses the same public rubric. How grades work →