Hair coloring composition and related coloring kit

1. A hair coloring kit comprising:

a) a coloring composition,

b) an alkalizing composition comprising one or more alkalizing agents, and

c) an oxidizing composition that comprises one or more oxidizing agents,

wherein said coloring composition is in the form of a gel that comprises:

one or more natural solvents in a percentage ranging from 0.1% to 90%;

one or more natural surfactants in a percentage ranging from 0.1% to 30%;

gums as viscosifiers, wherein said viscosifiers are in a percentage ranging from 0.01% to 10%; said percentages being by weight with respect to the coloring composition; and

dyes or their oxidation intermediates.

2. A hair coloring method comprising mixing a coloring composition a) with an alkalizing composition b), wherein:

a) the coloring composition comprises:

one or more natural solvents in a percentage ranging from 0.1% to 90%;

one or more natural surfactants in a percentage ranging from 0.1% to 30%;

viscosifiers or consistency factors, wherein said viscosifiers are in a percentage ranging from 0.01% to 10%, while said consistency factors are in a percentage ranging from 1% to 50%; said percentages being by weight with respect to the coloring composition, and

dyes or their oxidation intermediates, and

b) an alkalizing composition comprises ammonia as alkalizing agent,

wherein

said mixing is effected as follows:

for shades from 1 to 6, adding the composition b) to the composition a) in such an amount as to obtain from 0.5% to 1.2% of ammonia, in order to obtain a medium basic pH coloring; or adding the composition b) to the composition a) in such an amount as to obtain from 1.2% to 2.8% of ammonia, in order to obtain a basic pH coloring;

for shades from 7 to 10, adding the composition b) to the composition a) in such an amount as to obtain from 0.7% to 1.8% of ammonia, in order to obtain a medium basic pH coloring; or adding the composition b) to the composition a) in such an amount as to obtain from 1.8% to 3.5% of ammonia, in order to obtain a basic pH coloring;

for super-lighteners (shade 12), adding the composition b) to the composition a) in such an amount as to obtain from 0.7% to 1.2% of ammonia, in order to obtain a medium basic pH coloring; or adding the composition b) to the composition a) in such an amount as to obtain from 1.2% to 5% of ammonia, in order to obtain a basic pH coloring; said percentages being by weight with respect to the sum of the weight of the coloring composition and of the weight of the alkalizing composition.

3. A hair coloring method comprising applying on hair a coloring composition with an acidic pH to obtain the shades from 1 to 6, shades from 7 to 10 or super-lighteners (shade 12), wherein

said coloring composition is in the form of a gel that comprises:

one or more natural solvents in a percentage ranging from 0.1% to 90%;

one or more natural surfactants in a percentage ranging from 0.1% to 30%;

gums as viscosifiers, wherein said viscosifiers are in a percentage ranging from 0.01% to 10%; said percentages being by weight with respect to the coloring composition; and

dyes or their oxidation intermediates.

4. A hair coloring method comprising mixing a coloring composition a) with an alkalizing composition b), and adding an oxidizing composition c) comprising one or more oxidizing agents, wherein:

a) said coloring composition comprises:

one or more natural solvents in a percentage ranging from 0.1% to 90%;

one or more natural surfactants in a percentage ranging from 0.1% to 30%;

viscosifiers or consistency factors, wherein said viscosifiers are in a percentage ranging from 0.01% to 10%, while said consistency factors are in a percentage ranging from 1% to 50%; said percentages being by weight with respect to the coloring composition, and

dyes or their oxidation intermediates, and

b) the alkalizing composition comprises one or more alkalizing agents;

wherein the composition b) is added to the composition a) in such an amount as to obtain from 0.5 to 10% of alkalizing agent.

5. The kit of claim 1 , wherein the oxidizing composition comprises:

one or more natural solvents in a percentage ranging from 0.1% to 90%;

one or more natural surfactants in a percentage ranging from 0.1% to 30%;

viscosifiers or consistency factors, wherein said viscosifiers are in a percentage ranging from 0.01% to 10%; said percentages being by weight with respect to the oxidizing composition,

one or more oxidizing agents.

6. The kit of claim 1 , wherein said alkalizing composition comprises:

one or more natural solvents in a percentage ranging from 0.1% to 90%;

one or more natural surfactants in a percentage ranging from 0.1% to 30%;

viscosifiers or consistency factors, wherein said viscosifiers are in a percentage ranging from 0.01% to 10%; said percentages being by weight with respect to the alkalizing composition; and

one or more alkalizing agents.

7. The kit of claim 1 , wherein said oxidizing composition is in a form of cream and comprises:

one or more natural solvents in a percentage ranging from 0.1% to 90%;

one or more natural surfactants in a percentage ranging from 0.1% to 30%;

viscosifiers and/or consistency factors, wherein said viscosifiers are in a percentage ranging from 0.01% to 10%; said percentages being by weight with respect to the oxidizing composition; and

one or more oxidizing agents.

8. The method of claim 4 , wherein said oxidizing composition is in a form of cream and comprises:

one or more natural solvents in a percentage ranging from 0.1% to 90%;

one or more natural surfactants in a percentage ranging from 0.1% to 30%;

viscosifiers or consistency factors, wherein said viscosifiers are in a percentage ranging from 0.01% to 10%, while said consistency factors are in a percentage ranging from 1% to 50%; said percentages being by weight with respect to the oxidizing composition; and

one or more oxidizing agents.

9. The kit of claim 1 , wherein said one or more alkalizing agents are ammines selected from ammonia, monoethanolamine, aminomethyl propanol, arginine or other amino acids or tris (tris(hydroxymethyl)aminomethane).

10. The method according to claim 2 , wherein the alkalizing composition comprises

one or more natural solvents in a percentage ranging from 0.1% to 90%;

one or more natural surfactants in a percentage ranging from 0.1% to 30%;

viscosifiers or consistency factors, wherein said viscosifiers are in a percentage ranging from 0.01% to 10%, while said consistency factors are in a percentage ranging from 1% to 50%; said percentages being by weight with respect to the alkalizing composition, and ammonia.

11. The method according to claim 2 , wherein the viscosifiers are selected from xanthan gum, Sclerotium gum, guar gum, gum arabic, gum derived from sugars and wherein the consistency factors are selected from waxes, fatty alcohols and/or fatty acids.

12. The method according to claim 4 , wherein the alkalizing composition comprises

one or more natural solvents in a percentage ranging from 0.1% to 90%;

one or more natural surfactants in a percentage ranging from 0.1% to 30%;

viscosifiers or consistency factors, wherein said viscosifiers are in a percentage ranging from 0.01% to 10%, while said consistency factors are in a percentage ranging from 1% to 50%; said percentages being by weight with respect to the alkalizing composition, and

one or more alkalizing agents to obtain an alkalizing composition.

13. The method according to claim 4 , wherein said one or more alkalizing agents are ammines selected from ammonia, monoethanolamine, aminomethyl propanol, arginine or other amino acids or tris (tris(hydroxymethyl)aminomethane).

14. The method according to claim 4 , wherein the viscosifiers are selected from xanthan gum, Sclerotium gum, guar gum, gum arabic, gum derived from sugars and wherein the consistency factors are selected from waxes, fatty alcohols and/or fatty acids.