One-step bleach and coloring composition for hair and method...

A - Human Necessities – 61 – K

Patent

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A61K 8/22 (2006.01) A61K 8/23 (2006.01) A61Q 5/10 (2006.01) D06P 3/04 (2006.01) D06P 3/08 (2006.01)

Patent

CA 2406544

In the present invention there is provided a single-step process and composition of hair bleach, which can simultaneously lighten the hair up to seven levels and effectively neutralize any undesirable warmth, provide natural tones or deposit fashion shades. This is achieved by including in the bleach mixture a solution containing basic dye molecules, which in the present invention have been found to be both, stable in the bleach, and capable of depositing the desired amount of tone on the hair. The dyes fall into the class of water-soluble basic azo compounds.

La présente invention concerne un procédé en une seule étape et une composition de décoloration pour les cheveux, pouvant simultanément éclaircir les cheveux jusqu'à sept tons et neutraliser de manière efficace toute chaleur indésirable, fournir des teintes naturelles ou déposer des teintes à la mode. Ce procédé consiste à ajouter dans le mélange de décoloration une solution contenant des molécules de coloration basiques, qui, dans la présente invention, se sont avérées à la fois stables dans la décoloration et capables de déposer la quantité désirée de teinte sur les cheveux. Les colorants sont classés dans la catégorie des composés azoïques basiques hydrosolubles.

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