How we scored it
Where it comes from
This is fumed or precipitated silica (a natural mineral) whose surface is reacted with a small amount of polydimethylsiloxane to impart hydrophobicity. No exact treatment ratio was supplied, so a typical minor silicone loading is assumed.
In plain English
Fine mineral silica whose surface has been treated with a small amount of silicone (dimethicone) to make it water-repellent and free-flowing. Used in powders and makeup to absorb oil, prevent caking and reduce foaming.
CosIng definition: Silica, reaction products with polydimethylsiloxane
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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 DIMETHICONE SILYLATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3SILICA DIMETHICONE SILYLATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=SILICA%20DIMETHICONE%20SILYLATE