Patent ID: 9421154
Filing Date: 2016-08-23
CPC Classification: A61K,A61Q

Claim Text:
1. A composition for straightening or relaxing hair comprising: (a) a hydroxide-containing active ingredient selected from the group consisting of lithium hydroxide, sodium hydroxide, and potassium hydroxide, wherein (a) is present in an amount of from about 1.2 to about 1.9% by weight, based on the weight of the composition; (b) a mixture of hexylene glycol and butylene glycol, which is present in an amount of about 3% to about 20% by weight, based on the weight of the composition; (c) optionally, at least one nonionic surfactant having an HLB of from about 8 to about 20; (d) optionally, at least one amphoteric and/or zwitterionic surfactant; and (e) remainder, to 100% by weight based on the weight of the composition, a cosmetically suitable medium.