Serenity · Incontinence Protection Products
TENA Serenity Overnight Ultimate Pads
Unspecified waterproof backing raises concern; no PFAS disclosure provided.
Period pads with undisclosed waterproof backing layer. Tena does not publicly address PFAS content or manufacturing practices. Independent lab testing data unavailable.
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
cellulose, superabsorbent polymer, waterproof backing layer (unspecified)
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 Serenity Overnight Ultimate Pads use cellulose as the absorbent core, a naturally derived material with low toxicity risk. The product contains a superabsorbent polymer (SAP), typically sodium polyacrylate, which is chemically inert when in contact with skin at normal use. The waterproof backing layer material is not specified in publicly available product information, which is the primary concern: typical backing materials are polyethylene (PE) or polyurethane (PU), but the absence of disclosure prevents certainty about whether PFAS-based water repellents are used.
The brand's record and disclosure
Serenity (SCA's consumer brand in some markets; TENA is Essity-owned in most regions) has not published clear statements on PFAS avoidance or use in their period-care products. No third-party certifications (such as Cradle to Cradle, OEKO-TEX, or FSC) are prominently listed for this specific product. The brand does not maintain a publicly searchable chemical disclosure policy specific to menstrual products, which is standard among category leaders pursuing transparency.
How it compares in its category
Most overnight pads in the mass market use similar cellulose-SAP-plastic backing construction without detailed PFAS disclosure. Competitors like Kotex, Always, and Tampax also rarely specify backing chemistry, making Serenity typical rather than exceptional. Smaller brands such as Cora, Rael, and Seventh Generation market explicit PFAS avoidance or certified materials, placing them ahead on transparency if not definitively safer.
If you buy it
Change pads every 4-6 hours as directed to minimize skin prolonged contact time, regardless of absorbency claims. Avoid external heat sources (heating pads, heat lamps) near the product, as localized warming could increase any leaching risk from the backing layer. Store in a cool, dry place away from direct sunlight. If skin irritation, rash, or odor develops, discontinue and patch-test alternatives; irritation is more commonly caused by friction or moisture trapping than chemical exposure, but the unspecified backing should prompt vigilance.
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.”
Waterproof backing composition (unspecified)
The backing layer material is not disclosed in available product information. If polyurethane-based, it may release volatile organic compounds (VOCs) in microscopic amounts; if polyethylene with Teflon-type coating or silicone water repellents, PFAS or silicon oligomers could migrate. Without specification, risk cannot be ruled out or confirmed.
Superabsorbent polymer (SAP) leaching
Sodium polyacrylate, the standard SAP used in all major period pads, is considered non-toxic and non-absorbable by skin in normal use. No recall or adverse reports link TENA pads specifically to SAP-related injury. Theoretical leaching occurs only at trace levels and is not a documented hazard for this product class.
Cellulose purity and pesticide residues
Cellulose sourcing and pesticide treatment of parent wood pulp is not disclosed for TENA products. Industry standard is bleaching and processing that removes most agrochemical residues, but no specific testing data is publicly available for this brand. No recalls or complaints on record.
Skin sensitization from fragrance or adhesives
Some TENA Serenity pads in certain markets are scented (lightly); fragrances can trigger contact dermatitis in sensitive individuals. The adhesive strip composition is also undisclosed. If allergic response occurs, an unscented variant or alternative brand may be necessary.
Microplastic shedding from backing degradation
Plastic backing layers can fragment if repeatedly folded, compressed, or exposed to temperature stress. While intentional microplastic content is not claimed, use wear and storage conditions (e.g., heat, compression in bags) could generate fine plastic particles. Long-term systemic impact is unknown; this is a general category concern, not specific to TENA.
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.