Serenity · Incontinence Protection Products
Tena Thin Pads Moderate
Waterproof backing composition undisclosed. PFAS risk uncertain without testing.
Tena Thin Pads use a waterproof backing layer, but Essity (parent company) does not publicly disclose the polymer composition or PFAS status. No third-party testing found.
The safe swap
Lille
Suprem Light Mini 220ml 12 Packs Per Carton
70/100 safety
Same rubric that flunked this product. The swap earned its C.
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
nonwoven layers, absorbent core, waterproof backing (unspecified polymer)
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Waterproof / stain-resistant treatment
water-repellent coating treatments have historically used PFAS.
Category baseline
period care is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
The full breakdown
What it's made of and why it matters
Tena Thin Pads use stacked nonwoven layers (likely polypropylene or polyester blend) for absorption, with an unspecified waterproof polymer backing. The absorbent core typically contains superabsorbent polymer (SAP) to lock liquid and prevent leakage. The critical unknown is whether the waterproof backing uses PFAS-based fluorochemicals or alternative moisture barriers; Serenity has not disclosed this composition publicly, leaving the PFAS risk unquantifiable.
The brand's record and disclosure
Serenity (owned by Hartmann Group, a European manufacturer) maintains a lower public profile than some US-marketed competitors. No published commitment to PFAS-free materials or third-party certifications (e.g., Standard 100 by OEKO-TEX, which would exclude PFAS) is readily available. The brand has not faced major documented recalls for chemical contamination, but lacks proactive transparency about coating chemistry.
How it compares in its category
Period-care products generally escape heavy regulation on waterproof backing composition; most major brands (Kotex, Always, Tampax) similarly decline full disclosure. Products explicitly labeled organic or certified to OEKO-TEX Standard 100 tend to offer clearer material sourcing. Tena Thin Pads occupy a mid-market position with standard absorbency but no differentiation on chemical safety or transparency versus conventional alternatives.
If you buy it
Store pads in a cool, dry place away from direct heat, as warmth can accelerate any polymer degradation and potential leaching. Replace the entire pack if backing shows visible cracks, cloudiness, or odor changes. Do not wash or reuse pads; intended for single use only. If you experience unexplained irritation, discontinue use and request ingredient disclosure from Serenity before trying again.
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.”
PFAS in waterproof backing
Waterproof polymer composition is undisclosed. If it uses fluorochemical coatings, PFAS exposure is possible during contact with skin; no independent testing results for this product are publicly available.
Superabsorbent polymer (SAP) leaching or particles
Tena Thin Pads are not documented to shed SAP particles or cause gel leakage under normal use. SAP itself has no established acute toxicity, but high absorbency may reduce pad replacement frequency, potentially increasing pathogen overgrowth if changed infrequently.
Nonwoven fiber degradation (microfiber shedding)
Nonwoven polypropylene backing can shed microscopic fibers during handling or extended wear. While polypropylene is considered low-reactivity, chronic inhalation or dermal accumulation has not been formally studied in this application.
Formaldehyde or formaldehyde releasers in adhesives
No recalls or reports document formaldehyde contamination in Tena Thin Pads. However, adhesives used to bond nonwoven layers are rarely disclosed; if present, formaldehyde-releasers can off-gas, particularly if pads are stored in warm environments.
Allergenic dyes or optical brighteners in nonwoven
Serenity does not disclose use of optical brighteners or azo dyes in the nonwoven layer. No allergy complaints specific to this product are established in public databases, but individuals with multiple chemical sensitivity may be at higher risk.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 45% 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 Incontinence Protection Products
Lille
Suprem Light Mini 220ml 12 Packs Per Carton
absorbent core, cellulose, standard sanitary materials
Lower concern. Standard pad materials rarely treated with PFAS.
⚠Risky category by default
Lille
Suprem Form Maxi 2920ml
cellulose-based absorbent core, plastic backing
Lower concern. Standard period pad without known PFAS risks.
⚠Risky category by default
Lille
Suprem Form Regular Plus 1570ml 4 Packs Per Carton
absorbent core (cellulose, SAP); outer layers typical nonwoven polypropylene
Period pads pose minimal PFAS risk.
⚠Risky category by default
More incontinence protection products 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.