Abstract: A process for dyeing keratinous fibers involves applying to the fibers, at least one compound of formula ##STR1## wherein R.sub.1 represents hydrogen, alkyl, acetyl, benzoyl, phenyl or carboxylalkyl and R.sub.2 and R.sub.3 represent hydrogen, alkyl, hydroxyl, halogen, nitro, alkyl phenyl, phenyl or alkoxy, and an aminopyrimidine of the formula ##STR2## wherein R.sub.5 represents hydrogen, hydroxyl or ##STR3## represents hydroxyl or ##STR4## R.sub.7 represents H or NH.sub.2, R.sub.8 represents ##STR5## and R.sub.9 and R.sub.10 represent hydrogen, alkyl, (CH.sub.2).sub.p -Z wherein p is 1 to 4 and Z represents OH, halogen, NH.sub.2, NHR' or NHR'R" wherein R' and R" represent alkyl or together form a heterocycle, with the proviso that one of R.sub.5 to R.sub.8 represents NH.sub.2.

Abstract: Process for dyeing keratinous fibres, especially human keratinous fibres such as the hair, characterised in that a composition containing, in a medium suitable for dyeing, at least 2,4-diamino-1,3-dimethoxybenzene as a coupler;an oxidation dye precursor; andan oxidising agent; is applied to these fibres,the pH of the composition applied to the fibres being less than 7.

Abstract: The invention relates to a process for dyeing keratinous fibers, comprising the simultaneous or sequential application of a component (A) containing at least one compound of formula (I): ##STR1## in which: R.sub.1 denotes hydrogen, alkyl, acetyl, benzoyl, phenyl or carboxyalyl;R.sub.2 and R.sub.3 denote a hydrogen, alkyl, hydroxyl, halogen, nitro, alkylphenyl, phenyl or alkoxy;and a component (B) containing at least one compound of formula (II): ##STR2## in which: R.sub.4 denotes a hydrogen atom or a .beta.-hydroxyethyl group;n=0, 1 or 2, and m=0 or 1;as well as its cosmetically acceptable salts; or one compound of formula (III): ##STR3## in which: R.sub.5 denotes a hydrogen atom, a hydroxyl group or a group ##STR4## R.sub.6 denotes a hydroxyl group or a group N ##STR5## R.sub.7 denotes H or NH.sub.2, R.sub.8 denotes a group ##STR6## R.sub.9 and R.sub.10, independently of one another, representing a hydrogen atom, a C.sub.1 -C.sub.4 alkyl, a group (CH.sub.2).sub.

Abstract: The invention relates to a process for dyeing keratinous fibres, comprising the simultaneous or sequential application of a component (A) containing at least one compound of formula (I): ##STR1## in which: R.sub.1 denotes hydrogen, alkyl, acetyl, benzoyl, phenyl or C.sub.1 -C.sub.4 carboxyalkyl,R.sub.2 and R.sub.3 denote hydrogen, alkyl, alkoxy, hydroxyalkyl, amino, halogen, nitro, alkylphenyl, phenyl, alkylamino or hydroxyalkylamino,and a component (B) containing at least(i) a compound of formula (II): ##STR2## in which: Y denotes OH or NR.sub.8 R.sub.9,R.sub.8 and R.sub.9, which are identical or different, denote hydrogen, aminoethyl, hydroxyethyl or C.sub.1 -C.sub.4 alkyl,R.sub.4 to R.sub.7 independently of each other denote a hydrogen atom, a C.sub.1 -C.sub.4 alkyl, a chlorine, a C.sub.1 -C.sub.4 alkoxy, an acetylamino, an aryloxy, not more than two of the groups R.sub.4 to R.sub.

Abstract: The invention relates to compositions, which are stable on storage, of certain benzoquinone and naphthoquinone dyestuffs in an anhydrous solvent containing a non-ionic surface-active agent.

Abstract: Method for dyeing keratinous fibres, in particular human keratinous fibres, such as hair, characterized in that a composition (A) containing, in a medium appropriate for dyeing, at least one aminoindole corresponding to the formula: ##STR1## in which: R.sub.1 and R.sub.3, independently of one another, represent a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group;R.sub.2 denotes hydrogen or a C.sub.1 -C.sub.4 alkyl group or COOR', R' being a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group;R.sub.4 represents a hydrogen atom or a C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 hydroxyalkyl or C.sub.2 -C.sub.4 polyhydroxyalkyl group;Z.sub.1 represents a hydrogen or halogen atom or a C.sub.1 -C.sub.4 alkyl group or OR;R being a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group; andZ.sub.2 represents a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group;and its saltsis applied to said fibres, the colour being developed with the aid of an oxidizing system.

Abstract: Process for dyeing keratinous fibres, in particular human keratinous fibres such as hair, characterized in that there is applied to these fibres a composition containing, in a suitable dyeing mixture, at least one indole-based coupler, of the formula: ##STR1## in which R.sub.1 designates a hydrogen atom or a C.sub.1 -C.sub.4 alkyl radical; R.sub.2 and R.sub.3, which may be identical or different, designate a hydrogen atom, a C.sub.1 -C.sub.4 lower alkyl radical, a carboxyl radical or an alkoxycarbonyl radical; X designates a hydrogen atom, a C.sub.1 -C.sub.4 lower alkyl radical, a C.sub.1 -C.sub.18 alkoxy radical, a halogen atom, a C.sub.2 -C.sub.20 acyloxy radical or an acetylamino group; the OH group occupying the 6- or 7- positions of the aromatic ring; as well as the salts of these compounds;one oxidation dye precursor;one oxidising agent;the pH of the composition applied to the fibres being less than 7.

Abstract: The invention relates to a process for dyeing keratinous fibres, comprising the simultaneous or sequential application of a composition (A) containing a compound of formula (I): ##STR1## in which: R.sub.1 denotes hydrogen, alkyl, acetyl, benzoyl, phenyl or C.sub.1 -C.sub.4 carboxyalyl (sic);R.sub.2 and R.sub.3 denote hydrogen, alkyl, alkoxy, hydroxyalkyl, amino, halogen, nitro, alkylphenyl, phenyl, alkylamino, hydroxyalkylamino;and a composition (B) containing at least one compound of formula (II): ##STR2## in which: R.sub.4 and R.sub.6 denote hydrogen, alkyl;R.sub.5 denotes hydrogen, alkyl, COOR' where R' is hydrogen or alkyl;Z.sub.1 represents hydrogen, halogen, alkyl, alkoxy or hydroxyl;Z.sub.2 represents hydrogen or alkyl or a compound of formula (III): ##STR3## in which: R.sub.7 and R.sub.8 denote hydrogen or alkyl;X.sub.1 and X.sub.2 represent hydrogen or an NH.sub.2 radical;R.sub.9 denotes hydrogen, alkyl, alkoxy;as well as the compositions used.

Abstract: A process for dyeing keratinous fibers involves applying to the fibers a dye composition (A) containing an oxidation dye which is a mixture of a coupler and a "rapid" oxidation dye or a "rapid" oxidation dye, in combination with iodide ions. Also applied to the fibers, preceding or following the application of composition (A) is a composition (B) containing hydrogen peroxide having a pH ranging from 2 to 12.

Abstract: Process for dyeing keratinous fibres, characterized in that at least one composition (A) containing, in a medium suitable for dyeing, at least one indole derivative and at least one oxidation dye chosen from rapid oxidation dyes and couplers in combination, either (a) with iodide ions, or (b) with hydrogen peroxide, is applied on these fibres at a pH of between 2 and 7, and preferably between 2 and 5, the application of the composition (A) being preceded or followed by the application of a composition (B) which contains, in a medium suitable for dyeing:either (a) hydrogen peroxide at a pH of between 2 and 12 and preferably between 2 and 7 when (A) contains iodide ions;or (b) iodide ions at a pH of between 3 and 11 when the composition (A) contains hydrogen peroxide.

Abstract: A process for dyeing keratinous fibers employs a dye composition containing an oxidation base selected from a paraphenylenediamine, an N,N'-diphenylalkylene diamine, a para-aminophenol, an ortho-aminophenol, an ortho-phenylenediamine or a heterocyclic oxidation base, in combination with iodide ions. The application of this dyeing composition to the keratinous fibers is preceded or followed by the application to the fibers of a composition containing hydrogen peroxide.

Abstract: The invention relates to a process for dyeing keratinous fibres, comprising the application on these fibres,in a first stage, of a composition (A) containing, in a medium suitable for dyeing:(i) at least one monohydroxyindole corresponding to the formula (I): ##STR1## in which: R.sub.1 denotes hydrogen or alkyl; andR.sub.2 and R.sub.3 denote hydrogen, NH.sub.2, OH, COOH, CH.sub.2 COOH, CONH.sub.2, alkyl optionally substituted with OH or NH.sub.2, alkoxy, CONHR.sub.4, CON(R.sub.5)(R.sub.6) or CO.sub.2 R.sub.4, in which R.sub.4, R.sub.5 and R.sub.6 denote alkyl; halogen, and(ii) at least one 5,6-disubstituted hydroxyindole of formula (II): ##STR2## in which: R.sub.6 denotes hydrogen or acetyl;R.sub.4 denotes hydrogen, methyl, carboxy or ethoxycarbonyl; andR.sub.5 denotes hydrogen or methyl,with the proviso that, when R.sub.6 denotes acetyl, R.sub.4 and R.sub.

Abstract: The invention relates to a light-stable cosmetic composition for protecting the human epidermis against UV radiation, containing at least 0.0025% by weight of bixin combined with at least 1% by weight of one or more lipid-soluble agents screening UV radiation, chosen from 3-benzylidene-dl-camphor, its derivatives and benzophenone derivatives, in a cosmetically acceptable vehicle comprising at least one fatty phase.The bixin takes the form of an oily extract of annatto containing at least 0.1% by weight of bixin.

Abstract: Transparent cosmetic composition that reflects infrared radiation and its use for protecting the human epidermis against infrared radiation.The invention relates to a transparent cosmetic composition comprising, by way of an agent that reflects infrared radiation for protecting the human epidermis, a substance which is dispersible in the cosmetic medium used, possessing a reflectance (R) of infrared radiation equal to at least 45%, and of which a 2% strength dispersion in vaseline possesses an optical transmission in the visible of at least 85%, chosen from a diatom of particle size less than 100 microns, hollow glass microspheres of size less than 100 microns, a bismuth oxychloride of particle size less than 75 microns and zirconium powder covered ceramic microparticles of particle size less than 8 microns.This cosmetic composition can also contain 0.5 to 20% by weight of UV-A, UV-B or broad-band screening agents.

Abstract: The invention relates to process, composition, and kit for the oxidative dyeing of keratinous fibers with couplers and/or rapid oxidation dyes combined with iodide ions.

Abstract: The present invention relates to the new nitro bezene dye of formula: ##STR1## and the cosmetically acceptable salts of this compound, as well as the process for preparation thereof by condensation of 3-amino-1-propanol with 2-fluoro-5-bis(.beta.-hydroxyethyl)amino-1-nitrobenzene.This blue dye shows excellent solubility in water, a water/alcohol mixture and the usual dyeing media. Furthermore, when used in combination with one or more yellow nitro benzene dyes and optionally other direct dyes, it gives, especially on hair sensitized by treatment such as bleaching or permanent waving, natural shades having good lightfastness and washing resistance.

Abstract: The invention relates to a dyeing composition for keratinous fibres containing, in a suitable vehicle, at least one 2-nitro-para-phenylenediamine direct dye, in free or salified form and also at least one xanthine derivative of formula (II) ##STR1## where n=0 or 1, R'.sub.3 =H, R'.sub.1, R'.sub.2, R'.sub.4 and R'.sub.5 are substituents having various significances, the said compound of formula (II) being in free or salified form. They can be used for dyeing hair.

Abstract: Cosmetic screening composition in the form of an oil-in-water emulsion comprising a UV-A screening compound and a UV-B screening compound and its use for the protection of the skin against ultraviolet radiation.The invention relates to a cosmetic composition in the form of an oil-in-water emulsion which screens out UV rays of wavelengths of between 280 and 400 nm, which comprises partially or completely neutralized benzene-[1,4-bis(3-methylidenecamphomethylsulphonic acid)], in combination with N-(2-ethylhexyl)-4-(3-methylidenecamphor)benzenesulphonamide.The sun protection composition of this kind possesses a high index of protection, enabling it to be used on skins that are very sensitive or continually exposed to solar radiation.

Abstract: The present invention relates to a sunscreen composition containing at least one oil-soluble agent absorbing UV rays as well as at least one polyisobutylene which is liquid at ambient temperature, with a viscosity-average molecular weight of between 8,000 and 65,000, in a cosmetically acceptable medium incorporating at least one fatty phase.Such a sunscreen composition, applied to the skin, has an improved protection index.

Abstract: The invention relates to the use of 5-hydroxy-1,4-naphthoquinones of the formula: ##STR1## in which R.sub.1 and R.sub.2, which are identical or different, independently of one another denote a hydrogen atom, a methyl, methoxy or nitro group or a halogen atom; R.sub.3 and R.sub.4, which are identical or different, independently of one another denote a hydrogen atom or a hydroxyl, methyl or methoxy group; and R.sub.5 denotes a hydrogen atom or a methyl or methoxy group, with the proviso that at least one of the substituents R.sub.1 and R.sub.2 is different from hydrogen, if R.sub.3, R.sub.4 and R.sub.5 simultaneously denote a hydrogen atom, for dyeing human keratin fibres, in particular the hair.