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Is Propyl Trisiloxane vegetarian?

Propyl Trisiloxane

Vegetarian Vegetarian
Vegan Vegan

Propyl Trisiloxane is a synthetic siloxane compound, 1,1,1,3,5,5,5-heptamethyl-3-propyltrisiloxane, used as a silicone conditioning ingredient in cosmetics.

Also known as 1,1,1,3,5,5,5-Heptamethyl-3-Propyltrisiloxane, Trisiloxane, 1,1,1,3,5,5,5­heptamethyl­3­propyl­
INCI name Propyl Trisiloxane
CAS number 155633-54-8
CosIng ID 95441
Last reviewed 9 July 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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