Aunt Wendy · Tampons
Aunt Flow Tampon Applicator
Lower PFAS concern; standard cardboard applicator with no known treatment triggers.
Aunt Flow tampons use a cardboard applicator, a cellulose material with minimal PFAS risk profile. The brand does not publicly disclose PFAS testing or claims. No public lab data or recalls are documented.
Shop Aunt Wendy on Amazon →Material
cardboard applicator tube
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's applicator is cardboard tubing, a common and relatively inert material for single-use menstrual products. Cardboard applicators do not involve plastic polymer chemistry (no BPA, BPS, or phthalate leaching risks) and avoid Teflon-type coating non-stick coatings. The main exposure pathway is brief contact with the vaginal mucosa during insertion and removal; cardboard does not soften or degrade significantly in that timeframe, and no known contaminants are routinely found in food-grade or medical-grade cardboard.
The brand's record and disclosure
Aunt Wendy (marketed as Aunt Flow) maintains a direct-to-consumer model and markets toward ingredient transparency; the brand has not faced major safety recalls or regulatory action on record. However, the brand does not publish third-party certifications (such as FDA premarket approval or independent chemical testing reports) and remains silent on PFAS treatment status for its cardboard supply chain. Public disclosure of material sourcing and manufacturing testing is limited, which is typical for smaller menstrual-product brands but limits verification of chemical safety claims.
How it compares in its category
Cardboard applicators occupy a middle ground: safer than plastic applicators (which carry BPA and microplastic concerns if heated or degraded) but less transparent than applicator-free or certified organic brands that publish third-party test results. Aunt Flow's cardboard design aligns with mainstream alternatives (Tampax, Kotex) that also use cardboard or plastic tubes. No established data shows cardboard applicators outperforming or underperforming competitors on chemical safety; category-wide risk is low.
If you buy it
Cardboard applicators require no special care during use; store in a cool, dry place to avoid moisture and mold. Single-use design means no maintenance or replacement concerns. Discontinue use if applicator shows visible mold, discoloration, or odor before opening the wrapper. No heating or sterilization is needed or recommended for cardboard applicators.
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 resins in cardboard processing
Food-grade and medical-grade cardboard used in tampon applicators typically avoids formaldehyde-releasing adhesives; no recalls or safety alerts specific to Aunt Flow applicators on record.
Bacterial contamination or mold growth
Bleach or chlorine residues in cardboard
Bleaching in cardboard pulp production is standard and fully rinsed; residual chlorine is not a documented concern in menstrual products. Aunt Flow does not disclose bleaching method, but no safety alerts exist.
Microplastic shedding
Cardboard applicators do not shed microplastics by definition (cardboard is not a synthetic polymer). Risk is absent compared to plastic applicator alternatives.
Dioxins from cardboard pulping
Modern pulp and paper production has eliminated dioxin emissions; residual dioxins in finished cardboard are not a documented concern in FDA-regulated medical or cosmetic products.
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.