PFAS25/ 100Poor
Overall0/ 100Bad
Carefree Maxi Overnight Pads with Wings

Carefree Acti-Fresh · Period Pads

Carefree Maxi Overnight Pads with Wings

Poor

Waterproof period pad; unspecified backing raises PFAS concern without disclosure.

Verdict: SkipWaterproof backing likely contains PFAS; unspecified adhesive and material composition limit transparency. Use if needed, but seek PFAS-transparent alternatives.

Carefree Overnight pads use waterproof backing materials not publicly disclosed. Waterproofing in feminine hygiene products often involves PFAS coatings, but Carefree provides no transparency or testing data.

The safe swap

OB / Maternity Pad Maxi Super Absorbency NON241279

OB

OB / Maternity Pad Maxi Super Absorbency NON241279

70/100 safety

70Good

Same rubric that flunked this product. The swap earned Good.

Still want this one anyway? Check the price on Amazon. We’d swap it.

Material

Nonwoven cellulose blend with waterproof backing/adhesive, composition unspecified

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

What’s concerning

♾️

Waterproof / stain-resistant treatment

water-repellent coating treatments have historically used PFAS.

65/ 100
♾️

Category baseline

period care is a category where PFAS exposure is more common.

75/ 100
♾️

No PFAS disclosure

No public statement about PFAS in this product.

85/ 100
🏷️

Adhesive composition (undisclosed)

Carefree does not publish adhesive formulations. Period pad adhesives typically contain acrylate polymers or rubber-based compounds; some formulations include plasticizers or tackifiers that may migrate or cause skin sensitization in prolonged contact, though systemic absorption is minimal given application site and duration.

70/ 100
⚠️

Fragrance allergens (Acti-Fresh scent)

Carefree Maxi Overnight pads are scented with Acti-Fresh fragrance. Fragrance mixtures in period products are a known trigger for vulvovaginal contact dermatitis, particularly in people with sensitive skin or existing irritation. The specific fragrance ingredients are proprietary and not disclosed; unscented alternatives are available from most manufacturers.

45/ 100
🫧

Nonwoven cellulose degradation and particle shedding

Nonwoven cellulose blends used in absorbent cores can shed fibers or particles when saturated or manipulated, especially if the fiber bond is weak. While small fiber shedding is typical for this product class, poor-quality nonwoven can increase the risk; Carefree does not specify fiber bonding methods or quality thresholds.

70/ 100

Waterproof backing integrity loss over time

All plastic-film backings degrade with moisture exposure and body heat over months of storage or use in humid environments. Carefree pads stored in bathrooms or damp conditions may experience adhesive or film breakdown, reducing performance and potentially allowing bacteria growth or material flaking.

20/ 100

The full breakdown

What it's made of and why it matters

Carefree Maxi Overnight uses a nonwoven cellulose blend (typically wood pulp, rayon, or cotton fibers) as the absorbent core, paired with a waterproof backing layer of unspecified chemical composition and adhesive systems. The waterproof layer is the primary concern: period pad manufacturers typically use polyethylene (PE) or polypropylene (PP) films, but many add fluorochemical water-repellents to achieve rapid liquid-lock performance. Carefree's silence on backing chemistry and PFAS-free claims is a red flag in a category where disclosure is increasingly standard.

The brand's record and disclosure

Carefree (owned by Edgewell Personal Care, a subsidiary of Energizer Holdings) does not publish material safety data sheets or publicly disclose PFAS use in period products. The brand has no known certification by initiatives like MADE SAFE or Cradle to Cradle that would signal third-party vetting for chemical hazards. No major recalls or documented health incidents tied to this specific product are on record, but the absence of transparency on waterproof backings is standard industry practice for this manufacturer, not a sign of safety.

How it compares in its category

Most mainstream period pad brands (Kotex, Always, Tampax) operate under similar opacity regarding backing chemistry and PFAS disclosure. Brands explicitly claiming PFAS-free status (Cora, Rael, Kimberly-Clark's recent All Good line) have begun testing and publishing results; Carefree has not followed suit. For overnight absorbency without PFAS transparency, this product sits in the middle of the market: better than some ultra-heavy brands reliant on multiple plastic layers, but less transparent than emerging eco-conscious competitors.

If you buy it

Change pads every 4-6 hours or when saturated (overnight pads are designed for 8+ hours but individual absorbency varies). Store in a cool, dry place away from direct heat or humidity, as moisture can degrade adhesive performance. Do not reuse or rinse pads. If you experience skin irritation, itching, or rash, discontinue use; it may signal sensitivity to adhesive, fragrance (these pads carry the Acti-Fresh scent), or backing material contact.

What we don’t know

Basis
Model estimate, 45% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
Carefree Acti-Fresh has made none

Formulations change between production runs, so check the current label. How we grade.

Safer alternatives in Period Pads

O.b Pro Comfort Super Plus 16 pad

OB

O.b Pro Comfort Super Plus 16 pad

rayon/viscose, cotton, and gelling polymers

PFAS Grade70Good
Overall Grade52Good
🫧

Microplastic shedding or degradation

Limited concern

70
⚠️

Irritation or allergic sensitization from adhesive or synthetic fibers

Moderate concern

45
⚠️

Bacterial growth or contamination from prolonged moisture

Limited concern

70

Lower concern. Typical period pad materials lack PFAS triggers.

Risky category by default

OB / Maternity Pad Maxi Super Absorbency NON241279

OB

/ Maternity Pad Maxi Super Absorbency NON241279

cellulose, polyethylene, absorbent core (typical period pad materials)

PFAS Grade70Good
Overall Grade44Poor
⚠️

Absorbent polymer (sodium polyacrylate) allergic sensitization

Limited concern

70
🫧

Polyethylene microplastic shedding

Limited concern

70

Bacterial colonization from prolonged wear

High concern

20

Lower concern, typical pad materials rarely require PFAS treatments.

Risky category by default

OC BON Ultra Thin Wings Sanitary Pads Medium 4P

OB

OC BON Ultra Thin Wings Sanitary Pads Medium 4P

Cellulose, nonwoven synthetics, adhesives

PFAS Grade70Good
Overall Grade62Good
⚠️

Adhesive contact sensitivity

Limited concern

70
⚠️

Bleaching residues in cellulose

Limited concern

70

Lower concern. No PFAS-prone materials publicly identified.

Risky category by default

More period pads 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.