Method and composition for removing semi-permanent color from human hair
First Claim
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1. A method of removing coloring from semipermanent color-treated hair comprising the steps of:
- providing a composition comprising a reducing agent which is an organic compound containing at least one mercapto group capable of reducing sulfur in human hair, at least one alcohol, water and an alkaline compound which is ammonium hydroxide in an amount sufficient to maintain the pH of the composition in the range of about 8.0 to about 11.0;
providing semipermanent color-treated hair having a predetermined concentration of dye;
applying the composition to the color-treated hair producing a color-stripped hair; and
rinsing or shampooing the color-stripped hair after a time sufficient to remove a portion of the dye producing a de-colored hair.
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Abstract
The invention is an aqueous composition for removing coloring from hair treated with semipermanent hair colorant. The composition includes a reducing agent, at least one alcohol, water and an alkaline compound. A sufficient amount of the alkaline compound is employed to maintain the pH of the composition in the range of about 9.0 to about 11.0. The invention also includes a method of removing, or bleaching, colorant from semipermanent colored hair. The method includes applying the aqueous composition to semi-permanently colored hair producing bleached hair. Lastly, the bleached hair is rinsed and shampooed.
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10 Claims
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1. A method of removing coloring from semipermanent color-treated hair comprising the steps of:
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providing a composition comprising a reducing agent which is an organic compound containing at least one mercapto group capable of reducing sulfur in human hair, at least one alcohol, water and an alkaline compound which is ammonium hydroxide in an amount sufficient to maintain the pH of the composition in the range of about 8.0 to about 11.0; providing semipermanent color-treated hair having a predetermined concentration of dye; applying the composition to the color-treated hair producing a color-stripped hair; and rinsing or shampooing the color-stripped hair after a time sufficient to remove a portion of the dye producing a de-colored hair. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of removing coloring from semipermanent color-treated hair comprising the steps of:
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providing a composition comprising thioglycolic acid or a salt thereof, at least one alcohol, sodium lauryl sulfate or sodium stearyl sulfate, deionized water and an alkaline compound which is ammonium hydroxide in an amount sufficient to maintain the pH of the composition in the range of about 9.0 to about 10.0; providing semipermanent color-treated hair having a predetermined concentration of dye; applying the composition to the color-treated hair producing a color-stripped hair; and shampooing the color-stripped hair after a time sufficient to remove a portion of the dye producing a de-colored hair; and
,rinsing the de-colored hair with water.
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Specification