04.01.14
US Patent 8,642,020 B2; L’Oréal has patented a composition for treating keratin fibers. It is comprised of the following, in a cosmetically acceptable medium: at least one oxidizing agent; at least one nonionic amphiphilic hydrophobic compound which is solid at ambient temperature chosen from steareth-2, steareth-3, steareth-4, steareth-5, steareth-6, ceteth-2, ceteth-3, ceteth-4, ceteth-5, ceteareth-2, ceteareth-3, ceteareth-4, ceteareth-5, beheneth-5, cocamide MEA, cocamide MIPA, cocamide DEA, stearamide MEA, stearamide DEA, myristamide DEA, myristamide MEA, polyglyceryl-2 distearate, polyglyceryl-3 distearate, polyglyceryl-2 stearate, polyglyceryl-3 stearate, peg-2 stearate, peg-3 stearate, peg-4 stearate, sorbitan distearate, sorbitan palmitate, sorbitan stearate, sorbitan tristearate, myristyl glucoside, cetearyl glucoside, and arachidyl glucoside; and at least one hydrophilic surfactant chosen from cationic and zwitterionic hydrophilic surfactants. The composition is in the form of an aqueous dispersion, with the proviso that the composition does not comprise hydrophilic surfactants other than cationic or zwitterionic hydrophilic surfactants.