How we scored it
Aluminium hydroxide, with some basic aluminium sulfate; hydroxide and sulfate are mineral-salt fragments, natural origin per mineral convention.
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
Manufactured by precipitating aluminium salts (from bauxite-derived alumina) with alkali to form aluminium hydroxide, used as a colour pigment or lake substrate. It is a processed mineral, natural origin under ISO 16128.
In plain English
A white mineral pigment, also used as a base for other colour pigments (lakes), in makeup products. Made from aluminium hydroxide, a mineral-derived ingredient.
CosIng definition: CI 77002 is classed chemically as an inorganic colour. It consists predominantly of aluminium hydroxide, with varying amounts of basic aluminium sulfate. It conforms generally to the formula:
Structure
aluminum trihydroxide
References
- 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.
- 2CI 77002. PubChem CID 10176082. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
- 3CI 77002. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 4CI 77002. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=CI%2077002