Acetyl Hydroxyproline
A cosmetic ingredient used as hair conditioning, humectant, skin conditioning in skincare, haircare, and personal-care products sold in the European Union.
What is it?
L-Proline, 1 Acetyl-4-Hydroxy-
What does it do?
Acetyl Hydroxyproline is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Hair conditioning
improves the appearance, feel, and manageability of hair
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Humectant
draws moisture from the air or deeper skin layers to the surface, helping skin retain water
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Skin conditioning
improves the appearance, feel, and condition of skin
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Skin conditioning - emollient
softens the skin by reducing roughness and friction between skin cells
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Skin protecting
helps shield skin from external environmental factors
EU regulatory status
Acetyl Hydroxyproline is allowed for use in cosmetic products in the European Union under Regulation 1223/2009. It is not subject to a specific Annex restriction at the time of writing.
Frequently asked questions
What is Acetyl Hydroxyproline?
Acetyl Hydroxyproline is a cosmetic ingredient catalogued in the EU CosIng database. L-Proline, 1 Acetyl-4-Hydroxy-
Is Acetyl Hydroxyproline allowed in cosmetics in the EU?
Yes. Acetyl Hydroxyproline is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Acetyl Hydroxyproline do in cosmetic products?
Acetyl Hydroxyproline is declared in the EU cosmetic ingredient inventory with these functions: hair conditioning, humectant, skin conditioning, skin conditioning - emollient, skin protecting.
What is the CAS number of Acetyl Hydroxyproline?
The CAS (Chemical Abstracts Service) number for Acetyl Hydroxyproline is 33996-33-7.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 15/10/2010