Patent ID: 7125545
Filing Date: 2006-10-24
Classification: A61K,A61Q

Abstract:
1. A one-step permanent cosmetic composition which comprises 1.0 to 5.5% by weight of a reducing agent, 0.1 to 9.5% by weight of an alkaline agent, 0.1 to 7.0% by weight of a catalyst, 1.0 to 15.0% by weight of an alcohol and the balance of distilled water or ion exchanged water, and has an alkalinity of 1.0 to 4.6 as measured in a consumption (mL) of 0.01 N HCl per 1 mL of test sample, and a pH value of 7.0 to 9.6, characterized in that the said catalyst is at least one selected from the group consisting of potassium thiocyanide (KSCN) and sodium thiocyanide (NaSCN), wherein the said reducing agent is selected from thioglycolic acid, thioacetic acid, thioglycerol and keratin hydrolysates.