09.08.06
Patent No. US 7,087,095 B2: A hair dye composition for localized application to hair, by capillary action, which comprises one or more acid dyes or solvent dyes, water, alcohol, vinylpyrrolidone/styrene copolymer nonionic emulsion and a polymeric ruboff protector component for preventing ruboff of the dye color has been patented by HairMaker LLC, Santa Fe, NM.