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Is Methylsilanol Hydroxyproline vegetarian?

Methylsilanol Hydroxyproline

Methylsilanol Hydroxyproline is an organosilicon ester compound formed from hydroxyproline, an amino acid, and methylsilanol, used in cosmetic formulations for skin and hair care.

Also known as L-Proline 5-Hydroxy Dihydroxymethylsilyl Ester, L-Proline, 5-hydroxy-, dihydroxymethylsilyl ester
INCI name Methylsilanol Hydroxyproline
CAS number 105883-44-1
CosIng ID 35351
Last reviewed 4 July 2026

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

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