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Is Arginine/Lysine Polypeptide vegetarian?

Arginine/Lysine Polypeptide

Vegetarian Vegetarian
Vegan Vegan

Arginine/Lysine Polypeptide is a synthetic polymer composed of the amino acids arginine and lysine, used as a conditioning agent in cosmetics. Both amino acids can be produced via fermentation or chemical synthesis.

Also known as L-Arginine polymer with L-lysine
INCI name Arginine/Lysine Polypeptide
CosIng ID 31988
Last reviewed 9 July 2026

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

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