How we scored it
Siloxane (Si-O-Si) structure per IUPAC name; this site's convention scores all silicones 0.0. Listed formula/CAS appear mismatched (parent hydride vs. methylated CAS) - flagged.
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
Silicone surfactants of this type are made synthetically from silicon metal via chlorosilane chemistry. No natural-origin route exists commercially.
In plain English
A lightweight silicone used to improve spreading and silky feel in skincare and haircare formulas. It's manufactured industrially from silicon rather than extracted from plants.
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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.
- 2TRISILOXANE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3TRISILOXANE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=TRISILOXANE