CheckVegan

Is Hydroxyectoin vegetarian?

Hydroxyectoin

Vegetarian Vegetarian
Vegan Vegan

Hydroxyectoin is a cyclic amino acid derivative naturally produced by certain halophilic (salt-tolerant) bacteria as an osmolyte, and is manufactured industrially via fermentation for use in cosmetics as a moisturizing and cell-protecting agent.

Also known as (4S,5S)-5-Hydroxy-2-methyl-3,4,5,6-tetrahydropyrimidine-4-carboxylic acid
INCI name Hydroxyectoin
CAS number 165542-15-4
EC number 442-870-8
CosIng ID 85541
Last reviewed 9 July 2026

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

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