METHOD FOR INHIBITING FADING AND ENHANCING COLOR INTENSITY OF COLOR-TREATED HAIR

摘要

The invention provides a method for inhibiting color fading in color-trea ted keratinous fibers, which method includes treating the keratinous fibers with a color-fade inhibiting-effective effective amount of a monoalkyl quate rnary ammonium salt. The invention also provides a method for enhancing the intensity of color in color-treated keratinous fibers, which method includes treating the keratinous fibers with a color intensity enhancing effective a mount of an alkyl a quaternary ammonium salt. Additionally provided are prod ucts for inhibiting the fading of color and increasing the intensity of colo r in color-treated keratinous fibers.