ALUMINUM ZIRCONIUM TRICHLOROHYDRATE is graded C (Moderate) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexIII-SAFETY-.
ALUMINUM ZIRCONIUM TRICHLOROHYDRATE
Safety grade: C
This is a mineral-based compound made from aluminum and zirconium that works to reduce sweat and odor. It's one of the most common active ingredients found in antiperspirant products.
It reduces perspiration by forming a temporary plug in sweat ducts and neutralizes odor-causing bacteria, keeping skin dry and fresh throughout the day.
Graded using: COSING.
- EU COSING — Restricted
- Health Canada — Restricted
Last verified: May 26, 2026
Safer alternatives to ALUMINUM ZIRCONIUM TRICHLOROHYDRATE
- ALUMINUM SESQUICHLOROHYDRATE — Grade A. Aluminum salt that forms sweat duct plugs; direct antiperspirant alternative.
- POTASSIUM ALUM — Grade A. Aluminum compound that astringes sweat ducts; established antiperspirant substitute.
- SODIUM BICARBONATE — Grade A. Neutralizes odor-causing bacteria and absorbs moisture; deodorant mechanism.
- ZINC RICINOLEATE — Grade A. Zinc salt that absorbs moisture and controls odor-causing bacteria.
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