ALUMINUM ZIRCONIUM PENTACHLOROHYDRATE is graded C (Moderate) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexIII-SAFETY-.
ALUMINUM ZIRCONIUM PENTACHLOROHYDRATE
Safety grade: C
This is a mineral-based compound made from aluminum and zirconium that works as an antiperspirant active ingredient. It helps reduce sweat production and odor by forming a protective layer on the skin.
This ingredient reduces perspiration by blocking sweat glands and neutralizes odor-causing bacteria, making it a key active component in antiperspirant and deodorant products.
Graded using: COSING.
- EU COSING — Restricted
- Health Canada — Restricted
Last verified: May 26, 2026
Safer alternatives to ALUMINUM ZIRCONIUM PENTACHLOROHYDRATE
- ALUMINUM SESQUICHLOROHYDRATE — Grade A. Aluminum-based antiperspirant with identical mechanism of blocking sweat glands.
- SODIUM BICARBONATE — Grade A. Alkaline powder that neutralizes odor-causing bacteria and absorbs moisture.
- ZINC RICINOLEATE — Grade A. Zinc salt that binds odor-causing compounds and controls bacterial growth.
Other Astringent ingredients
- ALCOHOL — Grade A**
- ALUMINUM CHLOROHYDRATE — Grade C
- CAMELLIA SINENSIS LEAF EXTRACT — Grade A
- CALCIUM CHLORIDE — Grade A**
- ZINC SULFATE — Grade C
- MENTHA VIRIDIS LEAF OIL — Grade C
- POTASSIUM ALUM — Grade A