Cosmetic composition comprising a combination of two particular couplers and at least one oxidation base
A subject of the present invention is a cosmetic composition comprising 6-hydroxybenzomorpholine of formula (II), hydroxyethyl-3,4-methylenedioxyaniline of formula (III) and oxidation bases. The present invention also relates to a process for dyeing keratin fibres, such as the hair, wherein the composition as described previously is applied to said fibres. Another subject of the present invention is the use of the composition according to the invention for the cosmetic treatment of keratin fibres such as the hair.
1. A cosmetic composition comprising:
at least one oxidation coupler chosen from 6-hydroxybenzomorpholine of formula (II) below, one of its addition salts, its solvates and/or solvates of its salts:
at least one oxidation coupler chosen from hydroxyethyl-3,4-methylenedioxyaniline of formula (III) below, one of its addition salts, its solvates and/or solvates of its salts:
one or more oxidation bases, their salts, their solvates and/or solvates of their salts and mixtures thereof.
2. The composition according to claim 1 , characterized in that the coupler(s) chosen from 6-hydroxybenzomorpholine of formula (II), one of its addition salts, its solvates and/or solvates of its salts is/are present in a total content ranging from 0.001% to 20% by weight, of the composition.
3. The composition according to claim 1 , characterized in that the coupler(s) chosen from hydroxyethyl-3,4-methylenedioxyaniline of formula (III), one of its addition salts, its solvates and/or solvates of its salts is/are present in a total content ranging from 0.001% to 20% by weight, relative to the total weight of the composition.
4. The composition according to claim 1 , characterized in that the total content of couplers chosen from 6-hydroxybenzomorpholine of formula (II), one of its addition salts, its solvates and/or solvates of its salts, and hydroxyethyl-3,4-methylenedioxyaniline of formula (III), its addition salts, one of its solvates and/or solvates of its salts, ranges from 0.001% to 20% by weight, relative to the weight of the composition.
5. The composition according to claim 1 , characterized in that it additionally comprises one or more couplers other than 6-hydroxybenzomorpholine of formula (II) and hydroxyethyl-3,4-methylenedioxyaniline of formula (III), their addition salts, their solvates and/or solvates of their salts.
6. The composition according to claim 1 , characterized in that the oxidation base(s), their salts, their solvates and/or solvates of their salts, and mixtures thereof, are chosen from para-phenylenediamines, bis(phenyl)alkylenediamines, para-aminophenols, ortho-aminophenols, heterocyclic bases, and the corresponding addition salts, and mixtures thereof.
7. The composition according to claim 1 , characterized in that the oxidation base(s), their salts, their solvates and/or solvates of their salts and mixtures thereof are present in a total content ranging from 0.001% to 20% by weight, relative to the weight of the composition.
8. The composition according to claim 1 , characterized in that the weight ratio between the total content of oxidation base(s), their salts, their solvates and/or solvates of their salts and mixtures thereof and the total content of couplers chosen from 6-hydroxybenzomorpholine of formula (II), hydroxyethyl-3,4-methylenedioxyaniline of formula (III), one of their addition salts, their solvates and/or solvates of their salts is between 0.1 and 10.
9. The composition according to claim 1 , comprising at least one fatty substance,.
10. The composition according to claim 1 , comprising at least one liquid fatty substance.
11. The composition according to claim 1 , at least one solid fatty substance.
12. The composition according to claim 1 , comprising at least one surfactant.
13. The composition according to claim 1 , comprising one or more sequestrants.
14. The composition according to claim 1 , comprising at least one alkaline agent.
15. The composition according to claim 1 , characterized in that it additionally comprises one or more chemical oxidizing agents.
16. A process for dyeing keratin fibres, comprising at least the application, to said fibres, of a composition as defined according to claim 15 .
17. The process according to claim 16 , wherein the composition is obtained by mixing, at the moment of use:
at least one composition as defined by:
at least one oxidation coupler chosen from 6-hydroxybenzomorpholine of formula (II) below, one of its addition salts, its solvates and/or solvates of its salts:
at least one oxidation coupler chosen from hydroxyethyl-3,4-methylenedioxyaniline of formula (III) below, one of its addition salts, its solvates and/or solvates of its salts:
one or more oxidation bases, their salts, their solvates and/or solvates of their salts and mixtures thereof; and
at least one composition comprising one or more chemical oxidizing agents.
18. A multicompartment device comprising at least a first compartment containing the composition as defined by:
at least one oxidation coupler chosen from 6-hydroxybenzomorpholine of formula (II) below, one of its addition salts, its solvates and/or solvates of its salts:
at least one oxidation coupler chosen from hydroxyethyl-3,4-methylenedioxyaniline of formula (III) below, one of its addition salts, its solvates and/or solvates of its salts:
one or more oxidation bases, their salts, their solvates and/or solvates of their salts and mixtures thereof,
and at least a second compartment containing one or more chemical oxidizing agents.