How we scored it
Silicon dioxide, a mineral; explicitly natural origin under ISO 16128, distinct from this site's silicone-polymer convention. 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
Derived from natural quartz sand or diatomaceous earth, or precipitated from sodium silicate made from sand; mineral origin throughout. No petrochemical route exists.
In plain English
A mineral powder used to absorb oil, add grip, or thicken formulas. It comes from sand or similar mineral sources and is chemically the same as quartz.
CosIng definition: Silicon dioxide
Structure
dioxosilane
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.
- 2Silica. PubChem CID 24261. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
- 3SILICA. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 4SILICA. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=SILICA