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Is Lysine HCl vegetarian?

Lysine HCl

The hydrochloride salt form of lysine, an essential alpha-amino acid used as a precursor to proteins; in cosmetics it is used as a moisturizing and conditioning agent. It can be produced via bacterial fermentation or from animal or plant protein hydrolysis.

Also known as Lysine Hydrochloride
INCI name Lysine HCl
CAS number 70-54-2
CosIng ID 84654
Last reviewed 9 July 2026

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

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