PROCESS FOR OBTAINING ACTIVE INGREDIENT WITH HAIR PROTECTIVE EFFECT, ACTIVE ACTIVE PRINCIPLE AND COMPOSITIONS THEREOF

摘要

Preparation of an active ingredient (A) for hair protection, comprises: solubilizing green tea powder (preferably powder of green tea leaves), at a rate of at least 50 g/l in a solution of water/glycol; separating the soluble and insoluble phases by decantation, filtration and centrifugation; filtrating and collecting the filtrate; and sterilizing filtration of the filtrate. Independent claims are also included for: (1) (A) (having: dry matter of 15-100 g/l, pH of 3-8; dosage of phenolic compounds of 4-32 g/l and polyphenol composition comprising hydroxybenzoic compounds (5-15%), hydroxycinnamic compounds (0.2-0.7%), flavanals (42-100%), flavones (1.8-5.4%) and flavonols (5-14%)); and (2) cosmetic composition comprising (A) in the form of clear gel, shining gel, shampoo, after-shampoo, restructuring capillary care or rinsing cream.