Seni · Incontinence Pads & Protection
SENI Lady Maximum Protection Pads
Unknown waterproof treatment. Brand silent on PFAS, lab data absent.
Seni Lady pads use a waterproof backing whose composition is not disclosed. No PFAS claims or third-party testing publicly available; contact manufacturer for coating details.
The safe swap
Tranquility
Tranquility Personal Care Pads 13.5" x 6.5", 96/Case
70/100 safety
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
absorbent core with waterproof backing layer
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
SENI Lady Maximum pads use a multi-layer construction: absorbent cellulose/SAP core, waterproof backing layer (material unspecified by brand), and topsheet. The waterproof layer is the chemical wild card: manufacturers in this category commonly use either PFAS-treated films or non-fluorinated polyethylene laminates, but SENI does not disclose which. The absorbent core itself (cellulose and superabsorbent polymer) is established as safe when used as designed, but any waterproofing method's composition directly affects skin contact safety during extended wear.
The brand's record and disclosure
SENI (manufacturer: Tzmo, Poland) is a recognized medical-grade incontinence brand with a 20+ year history but maintains minimal public transparency on material sourcing or chemical treatment specifics. No major safety recalls for this product line are on public record. The brand has not issued public statements on PFAS use or avoidance, nor does their website disclose waterproof layer composition or independent safety certifications beyond basic CE marking. This silence is typical of the period-care/incontinence market but limits consumer-driven accountability.
How it compares in its category
Period pad materials vary widely: budget brands rarely disclose waterproof agents; premium eco-brands (e.g., Cora, Rael) explicitly market PFAS-free construction and publish material lists. SENI occupies a mid-market clinical space where product efficacy and absorbency dominate marketing over chemical transparency. Most conventional pads (Kotex, Always, Tampax) also do not publicly detail waterproof backing chemistry, making SENI typical in opacity but not reassuring.
If you buy it
Use pads as directed on the package, changing every 4-6 hours or when saturated to minimize prolonged skin contact with any chemical residue. Store in a cool, dry place away from direct heat or sunlight, which could degrade polymer layers. If you develop unexplained skin irritation, rash, or allergic reaction after switching to this product, discontinue and contact a healthcare provider. Consider requesting material safety data from the manufacturer via their customer service if chemical composition matters to your decision.
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 layer chemical composition (unidentified)
The backing layer's exact composition is not disclosed by SENI. If PFAS-treated, prolonged skin contact could transfer fluorinated compounds; if polyethylene-based, risk is lower but still unconfirmed. Absence of public data prevents independent assessment.
Superabsorbent polymer (SAP) integrity and leaching
SAP (typically polyacrylate) is approved for period-care use globally, but degradation over time or if pad is overstretched could release micro-particles. No recalls or adverse reports for SENI's formulation are documented, and this hazard is theoretical rather than established for this brand.
Formaldehyde-releasing adhesives or resins in topsheet bonding
Period pad topsheets sometimes use formaldehyde-based adhesives to bond layers. SENI does not disclose adhesive chemistry. No known safety incidents reported for this product, but formaldehyde exposure during extended wear could theoretically sensitize or irritate skin in susceptible users.
Azo dyes or colorants in topsheet or core
No public evidence that SENI uses problematic azo dyes, but product marketing imagery shows colored topsheets. Azo dyes banned in the EU are not used in established brands, but composition is not independently verified here.
Chlorine bleach residue in cellulose core
Cellulose pulp in absorbent cores is often chlorine-bleached during manufacturing. SENI does not specify bleaching method. Residual chlorine is typically minimal in finished pads and unlikely to cause harm, but hypersensitive or allergic users should be aware of this common manufacturing step.
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 Pads & Protection
Tranquility
Personal Care Pads 13.5" x 6.5", 96/Case
Cellulose, wood pulp, absorbent core, adhesives
Lower PFAS concern. Typical absorbent pad with no known treatment.
⚠Risky category by default
Tranquility
Essential Booster Pads Heavy Absorbency, Long - 4-1/4 x 15 Inch (Case of 200)
cellulose/fluff pulp absorbent core with nonwoven layers
Lower concern. Core materials inherently PFAS-free, no evidence of water-repellent coating treatment.
⚠Risky category by default
Kotex
Absorbent Wrapped Liners
Cellulose-based absorbent core, wrapped nonwoven
Lower concern. No known PFAS use in standard absorbent liners.
⚠Risky category by default
More incontinence pads & protection 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.