CheckVegan

Is Prolyl Hydroxyproline vegetarian?

Prolyl Hydroxyproline

Vegetarian Vegetarian
Vegan Vegan

Prolyl Hydroxyproline is a synthetic dipeptide consisting of proline and hydroxyproline, used as a cosmetic active ingredient.

INCI name Prolyl Hydroxyproline
CAS number 51-35-4
CosIng ID 101555
Last reviewed 9 July 2026

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

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