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Is Cyclopentasiloxane vegetarian?

Cyclopentasiloxane

Vegetarian Vegetarian
Vegan Vegan

Cyclopentasiloxane, also known as D5, is a cyclic dimethyl polysiloxane compound, a colorless and odorless silicone liquid used widely in cosmetics as an emollient and carrier for other ingredients.

Also known as D5, Decamethylcyclopentasiloxane
INCI name Cyclopentasiloxane
CAS number 541-02-6
EC number 208-764-9
CosIng ID 75413
Last reviewed 9 July 2026

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

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