Clinical Strength Underarm Antiperspirant
No known PFAS-prone ingredients; brand silent on PFAS practices.
Carpe's clinical antiperspirant contains aluminum but no disclosed water-repellent or stain-resistant coating. Standard cosmetic formula carries lower concern absent third-party testing.
We flunk more products than we pass. This one earned its grade. How we grade
Material
Aluminum compounds, active ingredients (no coating disclosed)
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
You may also be interested in
Top-graded picks in the categories readers replace first, every one scored on the same rubric.
- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product, all on its full breakdown.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product, all on its full breakdown.
Avocado
Vegan Mattress
- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
What Clinical Strength Underarm Antiperspirant is made of, ingredients and materials
Carpe Clinical Strength uses aluminum compounds (likely aluminum chlorohydrate or similar salt) as the active antiperspirant agent. These salts work by forming temporary plugs in sweat ducts and are the industry standard for clinical-strength products. The formulation contains no disclosed fragrance, dyes, or proprietary coatings, which reduces exposure to common cosmetic allergens and irritants. Aluminum absorption through intact skin is minimal, though the product is designed for underarm application where skin is thinner and more permeable than other body areas.
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Aluminum absorption and systemic exposure
Underarm skin is thinner and more permeable than other body sites, but transdermal aluminum absorption from antiperspirants remains low under normal use. Long-term daily exposure to clinical-strength formulations has not been conclusively linked to adverse health outcomes in peer-reviewed studies, though debate persists in scientific literature.
Contact dermatitis and skin irritation
Aluminum salts are recognized irritants in sensitive populations. Carpe's lack of fragrance and dye reduces allergen burden, but the high aluminum concentration itself can trigger localized rash, itching, or burning in individuals with aluminum sensitivity or compromised skin barrier.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
Formaldehyde / VOCs
No formaldehyde-donor preservatives are disclosed in the product ingredient list. Carpe's simple aluminum-based formula does not typically require formaldehyde-releasing preservative systems common in complex cosmetics.
Source, ATSDR ↗Heavy metals
The product is unscented and undyed, eliminating the primary vectors for cadmium, lead, and antimony contamination found in colored or fragranced cosmetics. No pigment or colorant is disclosed.
Source, FDA ↗1,4-dioxane contamination in surfactants
Carpe's ingredient disclosure does not list ethoxylated surfactants or emulsifiers typically associated with 1,4-dioxane formation. The simple aluminum salt formulation minimizes this risk.
How is this PFAS grade calculated?
The brand's record and disclosure
Carpe does not publish third-party safety testing, allergen documentation, or PFAS sourcing statements. The brand markets transparency around aluminum safety but does not disclose supply-chain or manufacturing certifications (no NSF, EWG Verified, or similar). No recall history or established safety controversies are on public record for this product. The company's silence on PFAS practices is typical for smaller cosmetic brands without formal sustainability commitments.
How it compares in its category
Clinical-strength antiperspirants typically contain 15-25% aluminum compounds; Carpe's formulation sits within this range. Unlike scented or dyed alternatives, this unscented version avoids fragrance allergens and synthetic dye contaminants (azo dyes, heavy metals in pigments). It is chemically simpler than prescription-grade aluminum zirconium antiperspirants, which may reduce risk of skin irritation in sensitive users. Compared to natural or mineral alternatives, aluminum salts are more effective but carry higher dermal exposure.
If you buy it
Apply only to clean, dry underarm skin; damp skin increases irritation risk and reduces efficacy. Do not use on broken, inflamed, or freshly shaved skin. Replace after 18-24 months of storage or if consistency changes or separation occurs. Discontinue if rash, burning, or itching develops; aluminum salts can trigger contact dermatitis in 1-3% of users. Store in a cool, dry place away from direct heat, as aluminum compounds can degrade in high temperatures.
What is not known about PFAS in this product?
- Basis
- Model estimate, 62% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Carpe has made none
Formulations change between production runs, so check the current label. How we grade.
What are the PFAS-free alternatives to Clinical Strength Underarm Antiperspirant?
- mineral-based powder blend (arrowroot, magnesium hydroxide, mica)
- We found no PFAS statement from the brand
- Skin irritation from magnesium hydroxide alkalinity
- cosmetic formulations, primary ingredients listed
- A third party reports verifying it as PFAS-free
- Fragrance allergens (natural essential oils)
2 hazards checked on this product, all on its full breakdown.
- natural mineral powders, plant-based actives, beeswax
- We found no PFAS statement from the brand
- Beeswax purity and contamination
2 hazards checked on this product, all on its full breakdown.
More deodorant 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.