CYSTEINE cosmetic ingredient

CAS# code (Chemical Abstracts Service)

52-90-4 / 3374-22-9

EC# code (European Community)

200-158-2 / 222-160-2

The functions of the cosmetic ingredient

ANTIOXIDANT : Inhibiting reactions promoted by oxygen, thus avoiding oxidation and rancidity.

ANTISTATIC : Preventing and/or reducing static electricity by neutralising electrical charge on surfaces.

FRAGRANCE : Imparting an odour or taste. Creating a perceivable pleasant smell and/or masking a bad smell.

HAIR CONDITIONING : Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.

HAIR WAVING OR STRAIGHTENING : Modifying the chemical structure of the hair, allowing it to be set in the style required (permanent waves or hair straightening).

REDUCING : Changing the chemical nature of another ingredient by adding hydrogen (or removing oxygen).