Salt & Stone Deodorant Trio Aluminum-Free 48-Hour Protection
Lower concern. Aluminum-free stick deodorant without known PFAS risks.
Salt & Stone uses natural wax and mineral formulations typical of clean deodorants. No waterproof treatments, coatings, or stain resistance features that would require PFAS.
We flunk more products than we pass. This one earned its grade. How we grade
Material
plant-based wax, natural oils, mineral pigments
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
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What Salt & Stone Deodorant Trio Aluminum-Free is made of, ingredients and materials
Salt & Stone's deodorant uses plant-based wax (likely coconut or beeswax) and natural oils as the delivery base, replacing aluminum compounds entirely. Mineral pigments provide color without synthetic dyes. This formulation avoids both aluminum salts and talc, two common deodorant ingredients with historical safety questions. The absence of chemical preservatives or fragrances in many of their variants reduces irritant and allergen exposure typical of conventional stick deodorants.
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.
Fragrance allergens and sensitizers
If the formula includes essential oils or fragrance compounds, individuals with sensitive skin or fragrance allergies may experience contact dermatitis or irritation. The brand offers both scented and unscented variants; unscented versions minimize this risk.
Oil rancidity and microbial growth
Natural oils in warm storage can oxidize or develop off-odors; wax-based sticks without synthetic preservatives have no antimicrobial defense against surface contamination if left damp or warm. Proper storage and cap closure mitigate this risk.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
Heavy metals
No recalls or test reports document heavy metal contamination in Salt & Stone mineral pigments. However, cosmetic pigments are not FDA-preapproved; third-party testing data is not publicly available for this brand, so minor trace amounts cannot be ruled out.
Source, FDA ↗Formaldehyde / VOCs
Plant-wax formulations with natural oils typically rely on limited or no chemical preservatives; formaldehyde-releasers are not standard in this category. Salt & Stone's product line does not list preservatives associated with formaldehyde release.
Source, ATSDR ↗Talc contamination
This product is explicitly aluminum and talc-free, eliminating the historical talc-asbestos concern present in older powder deodorants. No alternative powder base has been documented in available product information.
The full breakdown
The brand's record and disclosure
Salt & Stone publishes ingredient lists transparently and markets heavily toward clean beauty consumers, suggesting quality-conscious sourcing. The brand has no major recalls, lawsuits, or documented safety violations on public record. However, the company does not publicly disclose third-party testing, heavy metal screening, or supply-chain verification for raw materials. Their PFAS stance remains undocumented, though the aluminum-free formula and plant wax base carry lower inherent PFAS risk than alternatives.
How it compares in its category
This product sits in the premium natural deodorant tier, competing with brands like Native and Kopari. Unlike conventional antiperspirants, it sacrifices sweat blocking for skin compatibility and ingredient transparency. Plant-wax deodorants generally perform better than powder-only alternatives but may require more frequent reapplication than aluminum-based products, especially in high-heat or high-activity situations. Cost is significantly higher per unit than drugstore options but reflects the cleaner ingredient profile.
If you buy it
Store away from direct heat and sunlight to prevent wax separation or oil rancidity, especially in warm climates. Reapply after swimming or heavy sweating, as water and moisture break down wax-based barriers faster than aluminum compounds. Check the stick after 6-8 months for hardness loss or rancid smell, which signals oil oxidation and replacement time. Patch test on inner arm if you have sensitive skin, as some natural oils (coconut especially) can trigger contact dermatitis in susceptible individuals, though rates are low.
What we don’t know
- Basis
- Model estimate, 78% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Salt & Stone has made none
Formulations change between production runs, so check the current label. How we grade.
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Each & Every
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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.