Patent 7189386 was granted and assigned to Revlon on March, 2007 by the United States Patent and Trademark Office.
A hair bleach mixture obtained by combining an aqueous oxidizing agent composition and a persulfate composition comprising at least one hydrophobically modified particulate, said hydrophobically modified particulate being present in the mixture in an amount sufficient to reduce diffusion and/or migration of the mixture from the hair strands to which it is applied; and a method and kit for bleaching hair.