EP-4739272-A1 - OXIDATIVE HAIR COLOURING COMPOSITION

EP4739272A1EP 4739272 A1EP4739272 A1EP 4739272A1EP-4739272-A1

Abstract

The presently claimed invention relates to an oxidative hair colouring composition comprising at least one oxidative coupler dye precursor selected from 6-hydroxybenzomorpholine (A), its addition salts, its solvates and/or solvates of its salts, at least one first oxidative primary dye precursor selected from N,N-bis(2-hydroxyethyl)-p-phenylenediamine (B), its addition salts, its solvates and/or solvates of its salts and, at least one second oxidative primary dye precursor selected from 2-methoxymethyl-p-phenylenediamine (C), its addition salts, its solvates and/or solvates of its salts containing no 1,2,4- trihydroxybenzene, dihydroxyindole, 6-hydroxyindole, isatin, resorcinol, 2-methylresorcinol, and hydroxyethyl-3,4-methylenedioxyaniline, and their addition salts, their solvates and/or solvates of their salts. Moreover, the presently claimed invention relates to an oxidative hair colouring composition containing no oxidative primary dye precursor and/or oxidative coupler dye precursor that is classified to have an extreme sensitising potency. Another aspect of the presently claimed invention relates to a kit comprising a tint composition comprising components (A), (B), and (C), and a method of treating hair using the oxidative hair colouring composition.

Inventors

Crne, Matija
KIEFER, Patrick Alexander

Assignees

Wella Germany GmbH

Dates

Publication Date: 20260513
Application Date: 20240702

Claims (15)

1 . An oxidative hair colouring composition comprising as components (A) at least one oxidative coupler dye precursor selected from 6- hydroxybenzomorpholine of formula (I) below, its addition salts, its solvates and/or solvates of its salts, (B) at least one first oxidative primary dye precursor selected from N,N-bis(2-hydroxyethyl)-p-phenylenediamine of formula (Ila) below, its addition salts, its solvates and/or solvates of its salts, (C) at least one second oxidative primary dye precursor selected from 2-methoxymethyl-p-phenylenediamine of formula (lib) below, its addition salts, its solvates and/or solvates of its salts wherein the oxidative hair colouring composition does not contain 1 ,2,4- trihydroxybenzene, dihydroxyindole, 6-hydroxyindole, isatin, resorcinol, 2- methylresorcinol, and hydroxyethyl-3,4-methylenedioxyaniline, and their addition salts, their solvates and/or solvates of their salts. 45
2. The oxidative hair colouring composition according to claim 1 , wherein the oxidative hair colouring composition does not contain any oxidative coupler dye precursor that is classified to have an extreme sensitising potency.
3. The oxidative hair colouring composition according to claim 1 or 2, wherein the oxidative hair colouring composition does not contain any oxidative primary dye precursor and does not contain any oxidative coupler dye precursor that is classified to have an extreme sensitising potency.
4. The oxidative hair colouring composition according any of claims 1 to 3, wherein the oxidative hair colouring composition additionally comprises as component (D) at least one alkalizing agent.
5. The oxidative hair colouring composition according to any of claims 1 to 4, wherein the oxidative hair colouring composition comprises additionally comprises as component (E) at least one oxidizing agent.
6. The oxidative hair colouring composition according to any of claims 1 to 5, wherein the oxidative hair colouring composition additionally comprises as component (F) a cosmetically acceptable aqueous or aqueous-organic medium.
7. The oxidative hair colouring composition according to any of claims 1 to 6, wherein component (D) is at least one alkalizing agent selected form the group consisting of 2-amino-1 -propanol, 2-amino-1 -butanol, 2- Dimethylamino-2-pethyl-1 -propanol, 2-Amino-2-methylpropan-1 -ol, 3- amino-1 -propanol, ammonia and monoethanolamine.
8. The oxidative hair colouring composition according to any of claims 1 to 7, wherein component (E) is hydrogen peroxide.
9. The oxidative hair colouring composition according to any of claims 1 to 8, wherein component (D) is present in an amount in the range of > 0.1 wt.% to < 10.0 wt.%, based on the total weight of the oxidative hair colouring composition. 46
10. The oxidative hair colouring composition according to any of claims 1 to 9, wherein component (E) is present in an amount in the range of > 1.0 wt.% to < 8.0 wt.%, based on the total weight of the hair colouring composition.
11 . The oxidative hair colouring composition according to any of claims 1 to 10, wherein the composition additionally comprises as component (G) at least one further oxidative coupler dye precursor selected form the group consisting of m-aminophenol, 4-amino-2-hydroxytoluene, 2-methyl-5- hydroxyethylaminophenol, 3-amino-2,6-dimethylphenol, 3-amino-2,4- dichlorophenol, 5-amino-6-chloro-o-cresol, 5-amino-4-chloro-o-cresol, 2- amino-5-ethylphenol, 6-amino-o-cresol, 2,4-diaminophenoxyethanol, 2- amino-4-hydroxyethylaminoanisole, 1 ,3-bis-(2,4-diaminophenoxy)propane, 2.6-dihydroxyethylaminotoluene, 1 -naphthol, 2-methyl-1 -naphthol, 1 ,5- naphthalenediol, 2,7-naphthalenediol, 1-acetoxy-2-methylnaphthalene, 2,6- dihydroxy-3,4-dimethylpyridine, 2,6-dimethoxy-3,5-pyridinediamine, 3- amino-6-methoxy-2-(methylamino)-pyridine, 2-amino-3-hydroxypyridine, 2.6-diaminopyridine, dihydroxyindoline, phenyl methyl pyrazolone, 5-((2- hydroxyethyl)amino)-1 ,3-benzodioxol, hydroquinone, 4-formyl-1 - methylquinolinium-p-toluenesulfonate and addition salts, solvates and/or solvates of salts thereof.
12. The oxidative hair colouring composition according to any of claims 1 to 11 , wherein the composition additionally comprises as component (H) at least one further oxidative primary dye precursor selected form the group consisting of hydroxyethyl-p-phenylenediamine sulphate, hydroxypropyl bis(n-hydroxyethyl-p-phenylenediamine), 2-chloro-p-phenylenediamine, p- aminophenol, p-methylaminophenol, 4-amino-m-cresol, 6-amino-m-cresol, bis(5-amino-2-hydroxyphenyl)methane, tetraaminopyrimidine, 2,5,6- triamino-4-pyrimidinol, 4,5-diamino-1 -(2-hydroxyethyl)pyrazol, 2,3- diaminodihydroxypyrazolopyrazolone dimethosulfonate, 4,5-diamino-1 - hexylpyrazol, 2,3-Diamino-6,7-dihydro-1 H, 5H-py razolo[ 1 ,2-a]pyrazol-1 - one, hydroxypropyl-p-phenylenediamine, dimethylpiperazinium aminopyrazolopyridine chloride hydrochloride, 4,5-Diamino-3-methyl-1 H- pyrazole-1 -ethanol, 1 -Hexyl-3-methyl-1 H-pyrazole-4,5-diamine, methylimidazoliumpropyl p-phenylenediamine, hydroxyethoxy aminopyrazolopyridine and addition salts, solvates and/or solvates of salts thereof.
13. The oxidative hair colouring composition according to any of claims 1 to 12, wherein the composition additionally comprises as component (I) at least one chelant selected from the group consisting of ethylenediamine tetraacetic acid (EDTA), ethylenediamine-N,N'-disuccinic acid (EDDS), ethylenediamine-N,N'-diglutaric acid (EDDG), 2-hydroxypropylenediamin e- N,N'-disuccinic acid (HPDDS), glycinamide-N,N'-disuccinic acid (GADS), ethylenediamine-N-N'-bis(ortho-hydroxyphenyl acetic acid) (EDDHA), dimethyl glucamine (DMG), salts, derivatives, and mixtures thereof.
14. A kit comprising i) a tint composition comprising components (A), (B), (C) and (D) as defined in any one of the preceding claims, and ii) an oxidative composition comprising component (E) as defined in any one of the preceding claims.
15. A method of treating hair comprising the steps of: a. providing a tint composition (i) comprising components (A), (B), (C) and (D) as in any one of the preceding claims, b. providing an oxidative composition (ii) comprising component (E) as defined in any one of the preceding claims, c. mixing the tint composition (i) and the oxidative composition (ii) to obtain a mixed oxidative hair colouring composition according to in any one of the preceding claims, d. applying the oxidative hair colouring composition onto the hair; e. leaving the oxidative hair colouring composition on the hair for a period in the range from > 5 to < 50 minutes; and f. subsequently rinsing the oxidative hair colouring composition from the hair.

Description

Oxidative hair colouring composition Field of the invention The presently claimed invention relates to an oxidative hair colouring composition comprising at least one oxidative coupler dye precursor selected from 6-hydroxybenzomorpholine (A), its addition salts, its solvates and/or solvates of its salts, at least one first oxidative primary dye precursor selected from N,N-bis(2-hydroxyethyl)-p-phenylenediamine (B), its addition salts, its solvates and/or solvates of its salts and, at least one second oxidative primary dye precursor selected from 2-methoxymethyl-p-phenylenediamine (C), its addition salts, its solvates and/or solvates of its salts containing no 1 ,2,4- trihydroxybenzene, dihydroxyindole, 6-hydroxyindole, isatin, resorcinol, 2- methylresorcinol, and hydroxyethyl-3,4-methylenedioxyaniline, and their addition salts, their solvates and/or solvates of their salts. Moreover, the presently claimed invention relates to an oxidative hair colouring composition containing no oxidative primary dye precursor and/or oxidative coupler dye precursor that is classified to have an extreme sensitising potency. Another aspect of the presently claimed invention relates to a kit comprising a tint composition comprising components (A), (B), and (C), and a method of treating hair using the oxidative hair colouring composition. BACKGROUND OF THE INVENTION Oxidative hair colouring is known since years. Consumers want to be able to colour their hair to many shades, while still having a pleasant and safe usage experience. This requires high lift of hair to deliver a wide range of shades with low or acceptable hair damage while having low or no ammonia smell during the application. In order to deliver a wide range of shades, a large number of dye precursors are used, and they need to be used at sufficient levels to achieve the desired shades. Permanent and demi-permanent oxidative hair colouring products have been used in professional salons and in retail products for use at home for decades. Colouring products typically comprise a tint composition and an oxidizing composition which are packaged separately and mixed immediately before use to form the colouring composition. The tint composition contains so-called oxidative dye precursors which are small molecules (typically oxidative primary dye precursors and oxidative coupler dye precursors) and an alkalizing agent, usually ammonia or an amine. These primary oxidative dye precursors react with the oxidative coupler dye precursors in the presence of an oxidizing agent to form larger, coloured dye products within the hair. The oxidizing composition contains the oxidizing agent to enable the colouring process. The oxidizing compositions typically contain a stabilized form of hydrogen peroxide and are sometimes referred to as the developer compositions. The tint composition is thus mixed with the oxidizing composition immediately prior to the application to the hair to be coloured and the resulting mixture of the colouring composition is applied and left on the hair usually for 5 to 50 minutes before rinsing. The mixed colouring composition usually has an alkaline pH between about 8.5 and 10.5. Oxidative hair colouring compositions comprising ammonia or an amine as alkalizing agent within the tint composition are often referred to as permanent hair colourants or "Level 3" hair colourants. Permanent hair colourants are for example marketed under the Koleston Perfect® brand name by Wella Professional in Europe. Hydrogen peroxide, especially in the presence of an alkalizing agent, is capable of bleaching melanin, so that it is possible to obtain shades which are lighter or darker than the natural colour. Demi-permanent hair colourants, also referred to as "Level 2" colourants, are also typically marketed as two-component systems. They also use oxidative primary dye precursors and oxidative coupler dye precursors as used in permanent hair colourants but differ in their use of alkalizing agents other than ammonia, in particular monoethanolamine (MEA) or aminomethylpropanol (2- amino-2-methylpropan-1-ol I AMP), and usually function at lower concentrations of hydrogen peroxide, typically 1 to 3 weight % (wt.%) in the mixed colouring composition compared to 3 to 6 or even higher wt.% for permanent "Level 3" colourants. Higher levels of hydrogen peroxide are, however, sometimes used when higher levels of colouring are sought (up to 8 wt.% hydrogen peroxide on the head for some shades). Demi-permanent hair colourants usually cause less melanin bleaching and thus less lift (i.e., removal) of natural hair colour. The resulting dyes may also penetrate less deeply in the hair shaft so that demi-permanent hair colourants can be less long lasting than permanent hair colourants. On the other hand, demi-permanent hair colourants are usually also less damaging to the hair structure than permanent hair colourants and the resulting hair colour may also be more natural looking. A further adv