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Is Silicone Quaternium-3 vegetarian?

Silicone Quaternium-3

Vegetarian Vegetarian
Vegan Vegan

Silicone Quaternium-3 is a synthetic quaternized silicone polymer used in hair care products, particularly shampoos, as a conditioning agent.

INCI name Silicone Quaternium-3
CAS number 137145-37-0
CosIng ID 78937
Last reviewed 4 July 2026

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

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