Hair bleach product
View Patent ↗The present invention relates to a hair bleach product containing a pigment or lake to provide a visual indication of where the bleach product was applied to the hair.
1. A hair bleach product in kit form comprising:
(a) a peroxide-based developer component containing from about 6 to about 12% hydrogen peroxide by weight of the developer component;
(b) a powder activator component comprising from about 40 to about 80% by weight of the activator powder component of an alkali metal persulfate selected from the group consisting of sodium persulfate, potassium persulfate, and ammonium persulfate,
(c) an alkalizing agent component comprising in an aqueous vehicle from about 3 to about 25% of an alkalizing agent by weight of the alkalizing agent component, and
(d) a colorant is contained in the powder activator component (b) and the colorant is present in an amount of from about 0.1 to about 2.5% by weight of the powder activator component, wherein the colorant selected from the group consisting of ultramarine blue, D&C Yellow No. 10, aluminum lake, D&C Red No.30 lake, and D&C Yellow No.5 zirconium lake to provide a visual indication to the hair colorist upon application of the hair bleach product to the hair
wherein the product, upon admixture of components (a), (b), (c), and (d) and as it is applied to the hair, contains, on a weight basis, from about 4 to 6% hydrogen peroxide, from about 5 to 9% alkali metal persulfate from 4 to 6% alkalizing agent and from 1 to 2% colorant.
2. The hair bleach product of claim 1 wherein the developer component contains about 9% hydrogen peroxide.
3. The hair bleach product of claim 1 wherein the alkalizing agent component is selected from the group consisting of ammonium hydroxide and monoethanolamine.
4. The hair bleach product of claim 3 wherein the alkalizing agent component is ammonium hydroxide present in an amount of from about 3 to about 15% measured as a 28% solution.
5. The product of claim 1 wherein the product as applied to the hair has a viscosity of from about 20,000 to 60,000 cps.
6. A method of bleaching hair comprising mixing components (a), (b), (c) and (d) of the hair bleach product of claim 1 ; applying the resulting mixture to hair for a period at time effective to lighten the hair, and removing the resulting mixture from the hair.
7. The method of claim 6 wherein the product as applied to the hair has a viscosity of from about 20,000 to 60,000 cps.