Abstract: The process of coloring keratin-containing fibers by contacting the fibers with an isatin derivative corresponding to formula (I): ##STR1## in which R.sup.1 is a hydroxy group, an optionally C.sub.1-4 -alkyl- or phenyl-substituted amino group, a C.sub.3-8 alkenyl, dihydroxy-(C.sub.3-6)-alkyl, trihydroxy-(C.sub.4-6)-alkyl, tetrahydroxy-(C.sub.5-6)-alkyl, pentahydroxy-C.sub.6 -alkyl, C.sub.2-4 -aminoalkyl, C.sub.1-4 -sulfoalkyl group, an optionally C.sub.1-4 -alkyl-substituted 2-furylmethyl, 2-thienylmethyl, 2-pyridylmethyl, 3-pyridylmethyl, 4-pyridylmethyl group or an aralkyl group corresponding to formula (II): ##STR2## in which R.sup.6 and R.sup.7 independently of one another represent hydrogen, halogen atoms, hydroxy groups, amino groups optionally substituted by C.sub.1-4 alkyl or phenyl, C.sub.1-4 alkyl groups, C.sub.1-4 alkoxy groups, carboxy groups or sulfo groups and R.sup.8 is hydrogen, a C.sub.1-4 alkyl group or a C.sub.2-4 hydroxyalkyl group and x=0, 1 or 2, and R.sup.2, R.sup.3, R.sup.4 and R.sup.

Abstract: The invention relates to an oxidation dye composition for keratin fibers, in particular for human keratin fibers such as hair, of the type comprising, in a medium which is suitable for dyeing, at least one oxidation dye precursor and optionally one or more couplers, and which is characterized in that it contains (i) as oxidation dye precursor, at least one para-phenylenediamine substituted in the 2-position on the benzene ring with a C.sub.1 -C.sub.4 hydroxyalkyl or hydroxyalkoxy radical, and/or at least one of the addition salts thereof with an acid, and (ii) at least one cationic or amphoteric substantive polymer. The invention also relates to the use of this composition for dyeing keratin fibers, especially hair.

Abstract: The present invention relates to a dishwashing, especially machine dishwashing, method wherein the articles to be washed are treated with an effective amount of a detergent composition comprising: A. a metallo catalyst selected from a) metallo porphin and water-soluble or water dispersable derivatives thereof; b) metallo porphyring and water-soluble or water-dispersable derivatives thereof; c) metallo phthalocyanine and water-soluble or water-dispersable derivatives thereof; and B. an enzymatic system capable of generating hydrogen peroxide.

Abstract: A hair tinting shampoo in an aqueous medium having good lathering properties, excellent color adsorptive capacity and outstanding skin compatibility contains at least one direct, semi-permanent hair dye and at least one anionic surfactant comprising at least 25% by wt., calculated to the total quantity of the anionic surfactant, of an alkyl amidoether carboxylic acid of the general formula I ##STR1## wherein R denotes an alkyl group from 8 to 18 carbon atoms, and n is a number between 1 and 10, and (or) water-soluble salts thereof.

Abstract: A process of dyeing hair by preparing and applying to the hair an aqueous reaction medium buffered to a pH of from 7 to 11 with a bicarbonate or a TRIS buffer, a catalytic quantity of a cupric or ferrous salt, a catechol and a persulfate oxidizing agent and removing the composition after the desired color is attained, and compositions and kits for practicing such process. The composition may be formed by simultaneous addition of the catechol and the oxidant to the hair or by addition of the catechol followed by addition of the oxidant.

Abstract: Oxidation dye composition for keratinous fibers comprising a para-aminophenol, a meta-aminophenol and a meta-phenylenediamine and dyeing process using such a composition.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## where R denotes hydrogen, methyl, ethyl, .beta.-hydroxyethyl or .gamma.-hydroxypropyl, and their addition salts with an acid; and, as additional coupling agent, at least one meta-phenylenediamine or one of its addition salts with an acid. The invention also relates to a dyeing process implementing development by an oxidizing agent.