Is Hydrolyzed Keratin Ethyl Ester vegan?

Ethyl Ester of Hydrolyzed Keratin is also known as Hydrolyzed Keratin Ethyl Ester.

An ethyl ester derivative of hydrolyzed keratin protein, used in hair care products for conditioning and strengthening. Keratin is an animal-derived protein typically sourced from wool, feathers, or hooves.

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