An aluminium zirconium salt used in antiperspirants, regulated in EU Annex III.
What it is
Aluminum zirconium pentachlorohydrate is an inorganic aluminium zirconium chloride hydroxide, identified in CosIng as octaaluminium zirconium pentachloride tricosahydroxide. CosIng lists it as an antiperspirant, astringent and deodorant ingredient. In the EU it is covered by an entry in Annex III (substances subject to restrictions) for antiperspirants, with a label warning.
Where it is used
Found in antiperspirant sticks, roll-ons and other antiperspirant deodorants.
Limits of interpretation
The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.
See the EU regulation section for the applicable limits, conditions and label warnings. The label does not show the concentration actually used.
Functions
- Antiperspirant
- Reducing perspiration.
- Astringent
- Contracting and/or tightening the skin.
- Deodorant
- Reducing and/or eluminating unpleasant odour. Contributing against the formation of malodour on body surfaces.
EU regulation
- Product type
- Anti-perspirants
- Maximum concentration
- 20% (as anhydrous aluminium zirconium chloride hydroxide) 5.4% (as zirconium)
- Conditions and warnings
- Do not apply to irritated or damaged skin
- As of
- 3 November 2026 · (EC) 2009/1223
Products with this ingredient (7)
- Men+Care Invisible Dry Antitranspirante Roll On · Dove
- Antitranspirante Roll On Invisible Dry · Dove
- Men+Care Antitranspirante en barra Energy Dry · Dove
- Invisible Dry Roll-on Antiperspirant · Dove
- Desodorante Antitraspirante roll-on invisible · Biografia
- DOVE Déodorant Femme Anti-Transpirant Bille Invisible Dry Lot 2x50ml · Unilever
- REXONA Déodorant Femme Bille Invisible Aqua 50ml Lot de 2 · Unilever