Is Aisle PFAS-free?
Across 23 graded products, Aisle averages F (55/100). On disclosure, the brand says nothing publicly about PFAS. 14 of its products grade C or better. Grades are model-based estimates, not lab results.
Worth buying from Aisle C or better, safest first
Aisle
DIVA Cup Model 2
Medical-grade silicone (body); no Teflon-type coating or Teflon-family coating coatings
Lower-concern menstrual cup; silicone construction and PFAS-free commitment make it a reasonable choice.
✓Verified PFAS-free by a third party
Aisle
Super Hipster
Organic cotton, wood pulp fiber
Lower PFAS concern for period-care product, but brand transparency is absent.
⚠Risky category by default
Aisle
Boost Boxer
Absorbent core (likely cellulose, SAP); fabric blend (cotton/polyester typical)
Lower PFAS concern; standard period-care material with no known fluorochemical finish.
⚠Risky category by default
Aisle
Menstrual Cup Saalt
Medical-grade silicone
Lower PFAS concern; silicone menstrual cups are not a typical PFAS-risk product category.
⚠Risky category by default
Aisle
Flex Slim Fit Menstrual Cup
Medical-grade silicone
Lower concern, menstrual cups are typically silicone with no typical PFAS drivers, but Aisle hasn't publicly confirmed.
⚠Risky category by default
Aisle
Diva Cup #1 Pre-Childbirth
medical-grade silicone
Lower concern, medical-grade silicone menstrual cup; no known PFAS risk, but brand makes no disclosure.
⚠Risky category by default
Aisle
Scarlet by RedDrop Menstrual Cup
Medical-grade silicone (primary component)
Lower PFAS concern for a silicone menstrual cup; brand silence on PFAS is typical for category.
⚠Risky category by default
Aisle
CVS Menstrual Cup
Medical-grade silicone
Lower-concern menstrual cup; silicone is inherently PFAS-unlikely, but brand transparency is absent.
⚠Risky category by default
Aisle
August Medical Grade Soft Silicone Period Cup
Medical-grade silicone (primary); no Teflon-family coating or Teflon-type coating disclosed
Lower PFAS concern, silicone period cups are inherently low-risk, though Aisle offers no explicit PFAS disclosure.
⚠Risky category by default
Aisle
Lena Menstrual Cup
Medical-grade silicone
Lower concern, silicone menstrual cups rarely require PFAS treatments, but Aisle provides no explicit material transparency.
⚠Risky category by default
Aisle
Vitarock Aisle Reusable Maxi Pad
Organic cotton, natural rubber latex, cellulose
Lower-concern choice, traditional period-care materials, but brand offers no PFAS transparency.
⚠Risky category by default
Aisle
Pads Period
cellulose, cotton, adhesive (unspecified)
Lower concern; standard pad materials unlikely to contain PFAS, but brand transparency is minimal.
⚠Risky category by default
Aisle
Flex Menstrual Discs
Medical-grade silicone
Lower PFAS concern; menstrual discs lack typical high-risk coatings, but Aisle's material specs remain opaque.
⚠Risky category by default
Aisle
Vitarock Aisle Reusable Super Pad
organic cotton blend (absorbent core/cover)
Lower-concern product; no known PFAS triggers, but brand transparency is absent.
⚠Risky category by default
Graded and flagged D and F, we’d swap these
Aisle
BOOST Hipster Size PFAS Free leakproof period underwear
absorbent fabric blend with proprietary waterproof barrier
Brand makes explicit PFAS-free claim, but no third-party verification, proceed with cautious trust.
⚠Waterproof or stain-proof treatment
Aisle
Best-Selling Leakproof Period Boxer Brief - Essential Boxer Essential Boxer Eucalyptus / 2X
Cotton blend with unspecified waterproof/leakproof coating
Skip until Aisle discloses coating chemistry or pursues third-party verification.
⚠Waterproof or stain-proof treatment
Aisle
Essential High-Rise Period Brief – Leakproof Underwear Essential Brief Black / S
Unspecified waterproof/leak-resistant coating on undisclosed base textile
Skip unless Aisle discloses waterproofing chemistry; leakproof period underwear often relies on PFAS-based water-repellent coating treatments.
⚠Waterproof or stain-proof treatment
Aisle
Essential Period Hipster leakproof
textile base with water-resistant/leak-proof coating (type unspecified)
Leakproof claim raises coating concerns; no PFAS disclosure means elevated caution.
⚠Waterproof or stain-proof treatment
Aisle
Leakproof Thong Period Underwear
Fabric blend with waterproof/leak-resistant coating (type unspecified)
Skip until Aisle discloses waterproof coating chemistry.
⚠Waterproof or stain-proof treatment
Aisle
Maxi Reusable Pad
Organic cotton, waterproof layer composition undisclosed
Organic cotton core is lower concern, but waterproof layer opacity warrants caution.
⚠Waterproof or stain-proof treatment
Aisle
Period Underwear Hipster
organic cotton gusset + waterproof coating (type unspecified)
High uncertainty, period underwear requires waterproofing, but Aisle does not disclose coating chemistry.
⚠Waterproof or stain-proof treatment
Aisle
Maxi Pad 2-Pack
Cellulose/cotton blend with waterproof backing layer (composition unspecified)
Low transparency on water-resistant treatment; skip until Aisle discloses materials or certifies PFAS-free.
⚠Waterproof or stain-proof treatment
Aisle
Always Ultra Thin Regular Pads
cellulose-based core with polymer top sheet and waterproof backing layer
Skip until brand discloses waterproof treatment chemistry; period-pad backings commonly use PFAS-based water-repellent coating.
⚠Waterproof or stain-proof treatment
Every grade uses the same public rubric. How grades work →