摘要:
The invention relates to a dyeing composition for keratinous fibers and in particular for human keratinous fibers such as hair, comprising, in a suitable medium for dyeing, at least one oxidation dye precursor chosen from 3-methyl-para-aminophenol, 2-methyl-para-aminophenol and 2-hydroxymethyl-para-aminophenol, and their addition salts with an acid; at least one coupling agent chosen from the 2-methyl-5-aminophenols of formula (I): ##STR1## in which R denotes hydrogen, methyl or ethyl or a .beta.-hydroxyethyl or .gamma.-hydroxypropyl group, and their addition salts with an acid; and as oxidation dye precursor, a para-aminophenol which is 2-substituted by a substituent which is different from methyl or hydroxymethyl, or one of its addition salts with an acid.
摘要:
A method or composition for dyeing keratinous fibres using as an oxidation dye precursor a 3-substituted para-aminophenol of formula: ##STR1## where R.sub.1 represents alkyl, alkenyl, mono- or polyhydroxyalkyl, cyano, cyanoalkyl, halogenoalkyl, aminoalkyl or alkoxyalkyl and R.sub.2 represents hydrogen, alkyl or mono- or polyhydroxyalkyl, provided that when R.sub.2 is hydrogen R.sub.1 is not methyl or trifluoromethyl, and addition salts thereof with an acid.
摘要:
The invention concerns the use of a 3-substituted para-aminophenol as an oxidation dye precursor for dyeing keratinous fibres, in particular human hair. The 3-substituted para-aminophenol has formula: ##STR1## where R.sub.1 represents alkyl, alkenyl, mono- or polyhydroxyalkyl, nitrile, cyanoalkyl, halogenoalkyl, aminoalkyl or alkoxyalkyl and R.sub.2 represents hydrogen, alkyl or mono- or polyhydroxyalkyl, provided that when R.sub.2 is hydrogen R.sub.1 is not methyl or trifluoromethyl, and to addition salts thereof with an acid. The invention also concerns dye compositions containing compound (I). The invention further concerns novel 3-substituted para-aminophenols.
摘要:
A N1,N4-dihydroxyethylated 2-nitro-p-phenylenediamine of formula (I), wherein R is C3-4 aklyl, and cosmetically acceptable salts thereof, for use in direct dyeing to give blue through purple shades which are wash-fast, light-fast, weatherproof and sweat resistant, and optionally combined with yellow and optionally read or orange-coloured dyes to give natural hues.
摘要:
The subject of the present application is a dyeing composition for dyeing keratinous fibres, in particular human keratinous fibres such as hair, comprising, in an appropriate dyeing medium, at least one cationic tertiary para-phenylenediamine containing a pyrrolidine ring, and at least one cationic direct dye comprising at least one heterocyclic group. The subject of the invention is also the dyeing method using this composition and the corresponding devices.
摘要:
The invention relates to a process for dyeing keratinous fibres, which consists in applying to these fibres a composition containing, in a suitable medium for dyeing, at least one coupler of formula: ##STR1## where R.sub.1 denotes hydrogen or alkyl,R.sub.2 and R.sub.3 denote hydrogen, alkyl, COOR' where R' is alkyl or hydrogen,at least one of the groups R.sub.2 and R.sub.3 denoting hydrogen,R.sub.4 denotes hydrogen, alkyl, hydroxyalkyl, polyhydroxyalkyl or aminoalkyl,Z.sub.1 and Z.sub.2 denote hydrogen, alkyl, hydroxyl, halogen, alkoxy,at least one of the groups Z.sub.1 and Z.sub.2 is other than hydrogenat least one oxidation dye precursor,at least one oxidizing agent, the pH of the composition applied to the fibres being higher than 7.
摘要:
A method for dyeing keratin fibers, wherein a composition is applied to said fibers which contains, in a suitable dyeing medium, at least one coupler having formula (I) ##STR1## wherein R.sub.1 is hydrogen or alkyl; R.sub.2 and R.sub.3 are hydrogen, alkyl, COOR', where R' is alkyl or hydrogen; R.sub.4 is hydrogen, hydroxyalkyl, alkyl, polyhydroxyalkyl or acetyl or aminoalkyl wherein the amine may be mono- or disubstituted by alkyl; Z.sub.1 and Z.sub.2 are hydrogen, alkyl, hydroxy, halogen, alkoxy or a salt thereof; at least one precursor of an oxidation hair dye; and at least one oxidizing agent, the pH of the composition applied to the fibers being less than 7.
摘要翻译:一种用于染色角蛋白纤维的方法,其中将组合物施加到所述纤维中,所述纤维在合适的染色介质中包含至少一种具有式(I)的偶联剂:其中R 1是氢或烷基; R2和R3是氢,烷基,COOR',其中R'是烷基或氢; R4是氢,羟烷基,烷基,多羟基烷基或乙酰基或氨基烷基,其中胺可以被烷基单或二取代; Z 1和Z 2是氢,烷基,羟基,卤素,烷氧基或其盐; 氧化染发剂的至少一种前体; 和至少一种氧化剂,施加到纤维上的组合物的pH小于7。
摘要:
The invention relates to a dyeing composition for keratinous fibres and in particular for human keratinous fibres such as hair, comprising, in a suitable medium for dyeing, at least one oxidation dye precursor chosen from 3-methyl -para-aminophenol, 2-methyl-para-aminophenol and 2-hydroxymethyl-para-aminophenol, and their addition salts with an acid, as coupling agent, at least 2-methyl-5-aminophenol, or one of its addition salts with an acid; and at least one para-phenylenediamine and/or one bis-(phenylalkylenediamine) or one of their addition salts with an acid as oxidation dye precursor.
摘要:
The subject of the present application is a dyeing composition for dyeing keratinous fibers, in particular human keratinous fibres such as hair, comprising, in an appropriate dyeing medium, at least one cationic tertiary para-phenylenediamine containing a pyrrolidine ring, and at least one cationic direct dye comprising at least one heterocyclic group.The subject of the invention is also the dyeing method using this composition and the corresponding devices.
摘要:
A hydroxypropylated 2-nitro-p-phenylenediamine of formula (I), wherein R1 is a C1-4 alkyl, .beta.-hydroxyethyl, .beta.-hydroxypropyl or .gamma.-hydroxypropyl radical; R2 and R3 independently represent a .beta.-hydroxyethyl, .beta.-hydroxypropyl, .gamma.-hydroxypropyl or .beta.,.gamma.-dihydroxypropyl radical, with the proviso that at least one of R1, R2 and R3 is a .gamma.-hydroxypropyl radical, while the other two are not both a .beta.-hydroxyethyl radical; and cosmetically acceptable salts thereof. This compound may be used for directly dyeing hair to give blue through purplish blue shades which are wash-fast, light-fast, waterproof and sweat resistant.