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Plastic-Free Rating
Personal Care
Mainstream Brand
Personal Care·Secret

Invisible Solid Antiperspirant (2.6 oz)

C
PFR Grade
Fair — some plastic content or limited transparency
Contains aluminum zirconium tetrachlorohydrex (aluminum-based antiperspirant), synthetic fragrances, and propylene glycol. Secret is one of the most popular antiperspirant brands.
PFR Reviewed

2.6 oz invisible solid antiperspirant. Contains aluminum, synthetic fragrances, and propylene glycol.

Score Breakdown

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.

Materials
5
Packaging
3
Transparency
4
Durability
5

This is a rating of this specific product only — not the company. Other products from this brand may score differently.

Last updated: April 6, 2026

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Moderate Exposure Risk — Why This Product Category Matters

The average American uses 9 personal care products per day, containing 126 unique chemical ingredients. Many are endocrine disruptors that absorb through the skin.

Synthetic Plastic Content
80%
synthetic plastic by weight

Why We Rated It This Way

Secret antiperspirant contains aluminum compounds applied to the underarm area daily. Aluminum-free natural deodorants are available.

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