Database/Hair Conditioning/Trimethylsiloxyphenyl Dimethicone
100% petroleum · ISO 16128

Is Trimethylsiloxyphenyl Dimethicone natural?

No. A phenyl-modified dimethicone; classed as a silicone under this site's convention regardless of its mineral-derived Si-O backbone.

INCI nameTrimethylsiloxyphenyl Dimethicone
CAS73138-88-2
FunctionHair Conditioning
FeedstockManufactured by copolymerising phenyl- and methyl-substituted siloxane monomers,…

How we scored it

Phenyl/methyl siloxane copolymer capped with trimethylsilyl groups (silicone). This site's convention: all silicones = 0.0.
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

Manufactured by copolymerising phenyl- and methyl-substituted siloxane monomers, then end-capping with trimethylsilyl groups, all from petrochemically-processed silicone intermediates. No natural-origin route is used.

In plain English

A silicone conditioning agent that adds shine and slip to hair. It is a fully synthetic silicone copolymer.

CosIng definition: Siloxanes and Silicones, (trimethylsilyl)oxy, phenyl, dimethyl

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References

  1. 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.
  2. 2TRIMETHYLSILOXYPHENYL DIMETHICONE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  3. 3TRIMETHYLSILOXYPHENYL DIMETHICONE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=TRIMETHYLSILOXYPHENYL%20DIMETHICONE