Outlast Invisible Solid Antiperspirant & Deodorant
Secret Outlast Invisible Solid Antiperspirant & Deodorant provides 72-hour sweat and odor protection. It comes in a plastic stick.
How scores are calculated
Materials (40%): How plastic-free the product is — raw materials, construction, and coatings.
Packaging (20%): Is the product packaged in plastic? Is it recyclable?
Transparency (20%): Does the brand disclose ingredients, sourcing, and manufacturing?
Durability (20%): How long does it last? Longer-lasting products reduce plastic waste over time.
This is a rating of this specific product only — not the company. Other products from this brand may score differently.
Last updated: April 4, 2026
Contains aluminum zirconium, a strong antiperspirant with potential health concerns, and is packaged in plastic. Contains synthetic fragrances and other chemicals.
Why We Rated It This Way
Secret's Outlast Invisible Solid Antiperspirant & Deodorant is made from Plastic stick, active ingredient Aluminum Zirconium Tetrachlorohydrex Gly. Inactive ingredients include Cyclopentasiloxane, Stearyl Alcohol, Mineral Oil, PPG-14 Butyl Ether, C12-15 Alkyl Benzoate, Hydrogenated Castor Oil, fragrance.. Certifications: PETA Certified Cruelty-Free.
Chemical & Health Analysis
Each chemical of concern is broken down below — what it is, where it comes from in this product, what it does to the body, and who is most at risk.
Various plastic chemicals
Secret Outlast Invisible Solid Antiperspirant & Deodorant
Aluminum Zirconium (potential health concerns related to aluminum in antiperspirants), synthetic fragrances.
All health claims are based on published, peer-reviewed research from the NIH, WHO, IARC, and peer-reviewed journals. This information is for educational purposes and does not constitute medical advice.
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