Database/Antiperspirant/Aluminum Chlorohydrex
Mostly natural · ISO 16128

Is Aluminum Chlorohydrex natural?

Mostly. The aluminium chlorohydrate core is mineral; the propylene glycol in the complex is petrochemical.

INCI nameAluminum Chlorohydrex
CAS53026-85-0
FunctionAntiperspirant · Astringent
FeedstockAluminium chlorohydrate, made from aluminium metal or hydroxide…

How we scored it

CosIng defines it as the aluminium chlorohydrate-propylene glycol complex. Al2Cl(OH)5 174.4 Da mineral (natural) + propylene glycol 76.1 Da petrochemical, about 1:1, as for Aluminum Chlorohydrex PG: 174.4 / 250.5 = 0.70.
What counts. ISO 16128-2 scores the atoms that remain in the final ingredient. Reagents, solvents, catalysts and protecting groups used during manufacture leave no mass behind and are not counted.

Where it comes from

Aluminium chlorohydrate, made from aluminium metal or hydroxide and hydrochloric acid, is reacted with propylene glycol to form the complex. The glycol content differs by grade (about 18 percent by weight assumed), so the value is an estimate.

In plain English

An aluminium salt (aluminium chlorohydrate) complexed with propylene glycol, used as the active ingredient in antiperspirants and deodorants to reduce sweat and tighten skin. The aluminium comes from bauxite ore, the chloride and hydroxide from mineral chemistry, and the propylene glycol from petrochemicals.

CosIng definition: Aluminum Chlorohydroxy Propylene Glycol Complexes

Natural alternatives with the same function

Aluminum Bromohydrate 100% natural origin

An antiperspirant and astringent mineral salt of aluminum and bromine, chemically similar to the more common aluminum chlorohydrate.…

 Aluminum Chloride 100% natural origin

A mineral salt used in antiperspirants and deodorants to reduce sweat and odor, and as an astringent. It's…

 Aluminum Chlorohydrate 100% natural origin

A mineral aluminium salt used in antiperspirants to reduce underarm wetness by temporarily blocking sweat ducts; refined from…

 Aluminum Dichlorohydrate 100% natural origin

The active ingredient in many antiperspirants, reducing underarm wetness. It's a simple mineral salt of aluminum, chloride and…

 Aluminum Sesquichlorohydrate 100% natural origin

An antiperspirant and astringent ingredient that reduces underarm wetness. Made by reacting mined aluminium mineral with chloride to…

 Aluminum Sulfate 100% natural origin

A mineral salt used as an astringent and deodorant/antiperspirant ingredient that helps reduce sweating and body odour.

References

  1. 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
  2. 2ALUMINUM CHLOROHYDREX. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  3. 3ALUMINUM CHLOROHYDREX. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=ALUMINUM%20CHLOROHYDREX