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Is Hydroxypropyltrimonium Hydrolyzed Soy Protein vegetarian?

Hydroxypropyltrimonium Hydrolyzed Soy Protein

Vegetarian Vegetarian
Vegan Vegan

Hydroxypropyltrimonium Hydrolyzed Soy Protein is a cationic protein derivative made by hydrolyzing soy (Glycine soja) protein and reacting it with a quaternary ammonium compound, used as a conditioning agent in hair and skin care products.

Also known as Proteins, soy (Glycine soja), hydrolyzed, N-(3-trimethylammonio-2-hydroxypropyl)-, chlorides
INCI name Hydroxypropyltrimonium Hydrolyzed Soy Protein
CosIng ID 76881
Last reviewed 9 July 2026

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

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