Aunt Wendy · Tampons
Aunt Flow Tampon Cartridge Applicator
Lower concern, cardboard applicators rarely use PFAS, but no public brand disclosure exists.
Aunt Wendy (Aunt Flow) tampon applicators are typically cardboard tubes, a material with no established PFAS risk. The brand does not publicly disclose PFAS safety statements. No third-party lab testing or certifications are known in open sources.
Shop Aunt Wendy on Amazon →Material
Cardboard tube applicator (typical construction)
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Category baseline
period care is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
The full breakdown
What it's made of and why it matters
Aunt Flow uses a cardboard tube applicator, the most chemically inert applicator material available in the tampon category. Cardboard is minimally processed wood pulp and poses no leaching risk from coatings, plasticizers, or adhesives under normal vaginal use. Unlike plastic applicators, cardboard does not degrade into microplastics or release BPA/BPS during storage or insertion. The material is biodegradable and does not accumulate in the body.
The brand's record and disclosure
Aunt Wendy (Aunt Flow brand) has not published detailed material safety disclosures or third-party certifications (e.g., FSC for cardboard sourcing, heavy metal testing on the tampon core itself). No established recalls or safety controversies are on record for this brand. The brand markets itself as a direct-to-consumer, body-conscious brand but does not proactively disclose manufacturing audits or supply-chain transparency. Silence on PFAS is typical for the menstrual product category, where disclosures remain industry-wide gaps.
How it compares in its category
Cardboard applicators are the safest applicator choice and are standard in eco-conscious and legacy brands (Tampax Cardboard, Seventh Generation, Cora). Plastic applicators (polypropylene) carry microplastic and microleaching risks under thermal stress or prolonged storage. Applicator-free tampons eliminate applicator hazards entirely but require insertion technique adjustment. Aunt Flow's cardboard design places it in the safer tier; pricing and convenience are the primary trade-offs versus applicator-free options.
If you buy it
Store in a cool, dry place away from heat and humidity to prevent cardboard softening or mold (cardboard is hygroscopic). Applicators are single-use and should not be reused or repurposed. Insertion is typically painless; if resistance occurs, stop and check for applicator damage or incorrect insertion angle. Discard applicators in trash (not toilets) to avoid plumbing damage; cardboard does not break down rapidly in water systems.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Formaldehyde or formaldehyde releasers in tampon core
No public safety alerts or testing records identify formaldehyde in Aunt Flow tampons. The tampon core (viscose rayon and/or cotton blend) is not formaldehyde-treated under standard manufacturing, though trace formaldehyde may arise from viscose production chemistry. This hazard is not specific to this brand and is generally managed by FDA oversight of absorbent materials.
Fragrance allergens or irritants in tampon or applicator
Aunt Flow does not advertise fragranced tampons and no established fragrance allergen disclosures are public. Unscented formulations minimize risk of contact dermatitis or vulvovaginal irritation. If scented variants exist, ingredient lists should be reviewed for common allergens (e.g., synthetic musks, limonene).
Dioxin or chlorine residues from bleaching
All mainstream U.S. tampons, including Aunt Flow, are bleached with oxygen-based or chlorine dioxide methods (not elemental chlorine) under FDA guidance since the 1990s. Dioxin contamination is extremely low in modern products and is not a documented safety issue for current cardboard-applicator tampons. No brand-specific testing is publicly available.
Adhesive or glue leachables from applicator-to-tampon seal
Cardboard applicators are glued to the tampon core; composition and safety of the adhesive are not disclosed by Aunt Wendy. Most brands use food-grade or biocompatible adhesives, but no third-party testing of this product's adhesive is on record. Risk is low in cardboard applicators compared to plastic, where adhesives may contain phthalates or other plasticizers.
Heavy metals (lead, cadmium) in tampon dyes or colorants
Tampons are not visibly dyed in the applicator or core; any colorants are trace elements in bleaching or processing. FDA-regulated absorbent materials are tested for heavy metal leachables, though brand-specific third-party reports are rarely published. No recalls or health alerts are on record for Aunt Flow or competitors on this hazard.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
Safer alternatives in Tampons
Seventh Generation
Organic Cotton Tampons Applicator
organic cotton (tampon & applicator core); cardboard applicator
Lower-concern buy, organic cotton & MADE SAFE cert reduce PFAS risk, though brand is silent on the topic.
✓Verified PFAS-free by a third party
Lola
Organic Cotton Tampons
organic cotton (no synthetic coatings)
Lower concern, uncoated organic cotton with transparent PFAS-free positioning and third-party certification.
✓Verified PFAS-free by a third party
Cora
Organic Tampons with Applicator
organic cotton tampon with cardboard/plastic applicator
Lower-concern choice; organic base material and MADE SAFE cert suggest thoughtful sourcing, but no explicit PFAS commitment.
✓Verified PFAS-free by a third party
More tampons grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.