Secret Review, Is Secret Non-Toxic?
Secret averages 75 out of 100 on PFAS Authority's PFAS and toxin screen across the 8 Secret products graded as of October 2026, and all 8 reach its 70 point pass mark.
Secret grades Excellent on our four-band scale. On disclosure, the brand says nothing publicly about PFAS. See what every brand has published about PFAS for how that compares.
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
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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.
Does Secret have PFAS, by category
Which Secret products are PFAS-free? Good or better, best-graded first
- Water-based spray propellant with argan oil and glycerin
- We found no PFAS statement from the brand
- Aluminum exposure (active antiperspirant ingredient). Aluminum salts in antiperspirants are absorbed through…
4 hazards checked on this product, all on its full breakdown.
- Starch-based or talc-based solid antiperspirant; no water-repellent or durable coating disclosed
- We found no PFAS statement from the brand
- Talc or starch inhalation risk. If product is talc-based, aerosolized particles during application carry a…
4 hazards checked on this product, all on its full breakdown.
- glycerin, talc, or starch base; propylene glycol; no disclosed coatings
- We found no PFAS statement from the brand
- Talc contamination with asbestos. If formulation includes talc, sourcing and processing quality determine…
3 hazards checked on this product, all on its full breakdown.
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- Gel base (glycerin, resin), talc-free mineral powders, aluminum zirconium compounds
- We found no PFAS statement from the brand
- Aluminum zirconium systemic absorption. Aluminum zirconium is approved for cosmetic use and does not cross…
3 hazards checked on this product, all on its full breakdown.
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- Wax and starch blend (typical antiperspirant solid)
- We found no PFAS statement from the brand
- Fragrance allergens and sensitizers. Secret Invisible Solid contains fragrance blend (not fully disclosed per…
2 hazards checked on this product, all on its full breakdown.
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- Clear gel antiperspirant base
- We found no PFAS statement from the brand
- Aluminum in antiperspirant salts. Aluminum zirconium complexes are the stated active ingredient. Long-term…
3 hazards checked on this product, all on its full breakdown.
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- Stick composite (wax, starch, fragrance base)
- We found no PFAS statement from the brand
- Fragrance allergens and contact sensitization. Secret Outlast lists 'fragrance' as a single ingredient…
4 hazards checked on this product, all on its full breakdown.
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- Aluminum-based antiperspirant compound with silica, fragrance
- We found no PFAS statement from the brand
- Aluminum systemic absorption and neurotoxicity concern. Aluminum chlorohydrate penetrates the skin barrier in…
4 hazards checked on this product, all on its full breakdown.
Find an alternative on AmazonWhat to buy instead Good or better, in the categories Secret sells
- 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.
Secret and PFAS, common questions
- Does Secret have PFAS?
- Secret averages 75 out of 100 on PFAS Authority's PFAS and toxin screen across the 8 Secret products graded as of October 2026, and all 8 reach its 70 point pass mark. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
- Is Secret non-toxic?
- Secret Argan Oil Dry Antiperspirant Deodorant Spray is the highest-graded Secret product we have scored, at 75/100. It depends on the product line rather than the brand, so check the grade of the exact item you are buying.
- Which Secret products are lower concern for PFAS?
- The highest-graded Secret products we have scored are Secret Argan Oil Dry Antiperspirant Deodorant Spray, Secret Women's Clinical Strength 100HR Invisible Solid Antiperspirant Deodorant, Secret Aluminum Free Deodorant. That is our model-based estimate from materials and public disclosure, not a lab test.
Every grade uses the same public rubric. How grades work →