Dihydroxypropyl Cystine
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?
Dihydroxypropyl Cystine is the organic compound that conforms to the formula:Where R is either H or glycerin.
What does it do?
Dihydroxypropyl Cystine is listed in the EU cosmetic ingredient inventory with the following declared functions:
-
Hair conditioning
improves the appearance, feel, and manageability of hair
-
Humectant
draws moisture from the air or deeper skin layers to the surface, helping skin retain water
-
Skin conditioning
improves the appearance, feel, and condition of skin
EU regulatory status
Dihydroxypropyl Cystine 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 Dihydroxypropyl Cystine?
Dihydroxypropyl Cystine is a cosmetic ingredient catalogued in the EU CosIng database. Dihydroxypropyl Cystine is the organic compound that conforms to the formula:Where R is either H or glycerin.
Is Dihydroxypropyl Cystine allowed in cosmetics in the EU?
Yes. Dihydroxypropyl Cystine is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Dihydroxypropyl Cystine do in cosmetic products?
Dihydroxypropyl Cystine is declared in the EU cosmetic ingredient inventory with these functions: hair conditioning, humectant, skin conditioning.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 02/02/2018