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Ingredient · Personal Care Active

Aluminum Chlorohydrate / Zirconium

Mixed · 4/10, higher is cleaner

How we reached this

Antiperspirant active. Long-running but unresolved debate over Alzheimer's + breast-tissue accumulation. EU permits with concentration limit.

Sources · 2

  • EWG Skin Deep: Aluminum Chlorohydrate
  • Cancer.org Aluminum + Breast Cancer position

Also listed as

aluminum chloridealuminum zirconium tetrachlorohydrexaluminum-based antiperspirant active

Products containing this · 1

About this rating

Ratings run 1–10, higher is cleaner, and are set editorially against the sources above — see the methodology page for how an ingredient rating becomes part of a product score. Last reviewed 2026-05-23.