Acetyl Hydroxyproline

Acetyl Hydroxyproline is a cosmetic ingredient used as a skin conditioning - emollient, hair conditioning agent. It is used in 15 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex).

INCI nameACETYL HYDROXYPROLINE
FunctionSKIN CONDITIONING - EMOLLIENT, HAIR CONDITIONING, HUMECTANT, SKIN CONDITIONING
CAS number33996-33-7
EC number251-780-6
Prevalence15 products (0.02% of dataset)
Most used inSkincare
EU statusRestricted (annex )
Monthly searches20

Used in

Serums 20%Emulsions 13.3%General Moisturizers 13.3%Conditioners 6.7%Facial Treatments 6.7%Hair Masks 6.7%

Frequently asked

What does Acetyl Hydroxyproline do in skincare?
Acetyl Hydroxyproline functions as a skin conditioning - emollient, hair conditioning agent in cosmetic formulas.
Is Acetyl Hydroxyproline allowed in cosmetics?
Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
What products contain Acetyl Hydroxyproline?
It is most commonly found in Skincare products, especially serums (20% of its uses).

Manufacturers with experience using Acetyl Hydroxyproline

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