METHOD OF HAIR STRAIGHTENING USING COMPOSITION INCLUDING ALPHA-HYDROXYACID AND REDUCING AGENT Russian patent published in 2009 - IPC A61K8/36 A61Q5/04 A61Q5/06 

FIELD: medicine; cosmetology.

SUBSTANCE: method of hair extension includes stage of application of nonoxidising composition including a-hydroxyacid and/or its salt and reducing agent, preferably of the following structure: where R represents H, -COR" or R" so that R" represents C1-C18 saturated or nonsaturated alkyl chain in required substituted with COOH-groups, and R' represents H, metal ion, phosphate or cation.

EFFECT: invention allows modelling and extending hair without irreversible damage of their structure.

13 cl, 7 ex, 2 tbl