How we scored it
ZnS is a simple inorganic mineral compound; both zinc and sulfide count as mineral/natural origin under ISO 16128, like other metal-derived minerals. 1.0.
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
Zinc sulfide is an inorganic mineral compound, typically manufactured by precipitating zinc salts with a sulfide source. It is classed as natural mineral origin like zinc oxide.
In plain English
A mineral powder used in some hair-removal depilatory products. It is an inorganic zinc compound, similar in origin to other mineral pigments like zinc oxide.
Structure
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.
- 2Zinc Sulfide. PubChem CID 9833931. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
- 3ZINC SULFIDE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 4ZINC SULFIDE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=ZINC%20SULFIDE