Patent ID: 7887600
Filing Date: 2011-02-15
Classification: A61K,A61Q

Abstract:
1. A hair colouring or bleaching composition comprising two component compositions, (i) and (ii), which are mixed prior to application to the hair, component (i) comprising: at least one water soluble source of an oxidizing agent and at least one gel network thickener system comprising: (A) cetyl alcohol and stearyl alcohol having an HLB of 6 or less and a melting point of at least about 30° C. and (B) Ceteareth-25 having an HLB of 7 or more, wherein the surfactant ratio [b]/[a] is 0.05, where [a] is the total combined concentration of the surfactants of type (A) expressed as % w/w and [b] is the combined concentration of Ceteareth-25 expressed as % w/w, and at least about 50% w/w of water, or (C) Steareth-2 having an HLB of 6 or less and a melting point of at least about 30° C. and (D) Steareth-100 having an HLB of 7 or more, wherein the surfactant ratio [b]/[a] is 0.01, where [a] is the total combined concentration of Steareth-2 expressed as % w/w and [b] is the combined concentration Steareth-100 expressed as % w/w, and at least about 50% w/w of water; and component part (ii) comprising at least one alkalizer.