Matches 251 - 300 out of 356 < 1 2 3 4 5 6 7 8 >
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5279618 Process and kit for dyeing hair  
A process for dyeing hair by preparing and thereafter applying to the hair an aqueous reaction medium comprising dopa and an oxidant, said aqueous reaction medium further containing at least one...
5279620 Tinctorial compositions for keratin fibres containing precursors of oxidation colorants and indole couplers, and dyeing processes using these compositions  
Tinctorial composition for keratin fibers, containing a para-type precursor of an oxidation colorant associated with a heterocyclic coupler of formula: ##STR1## where R 1 H, or C 1 -C 4 ...
5279619 Process for dyeing keratinous fibers with 2,4-diamino-1,3-dimethoxybenzene at an acid ph and compositions employed  
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...
5275626 Method for dyeing keratinous fibres using a monohydroxyindole or dihydroxyindole and a non-oxidizing aromatic carbonyl derivative and dyeing agent  
The present invention relates to a method for dyeing keratinous fibers, characterized in that the following are applied to the fibers: a) a composition (A) containing, in a medium appropriate...
5261926 Process for dyeing keratinous fibers combining isatin or its derivatives with a tri-, tetra- or pentasubstituted aniline or with a bisphenylalkylenediamine, and dyeing agents  
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##...
5254135 Methods for dyeing keratinous fibres with aminoindoles, compositions and devices for use  
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...
5246466 Oxidation dyes  
1,3-disubstitued nitrobenzenes of the general formula I: ##STR1## in which X is a hydroxyl group or an amino group and R 1 is hydrogen or a C 1 -4 alkyl group and their salts are suitable for use...
5246019 Process for bleaching hair under the influence of light  
The process for bleaching hair using light includes first, applying a sufficient quantity of a composition containing at least one optical photosensitizer and a compound capable of providing a...
5230710 Substituted 2,6-diaminotoluenes, processes for their preparation and coloring agents for keratinic fibers comprising these compounds  
New substituted 2,6-diaminotoluenes of the general formula I ##STR1## wherein R is a hydrogen atom and R 1 is a radical of the formula Ia --CH 2 --CH(A)--B ...
5199954 Hair coloring dyes incorporating aryl amines and aryl aldehydes  
An easily employed, effective and predictable hair dye composition is obtained by combining aryl amines with aryl aldehydes along with an inorganic metal salt having a valence between +1 and +3. By...
5190564 Process for dyeing keratinous fibres combining isatin or its derivatives with an aminoindole or an aminoindoline, and compositions used  
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:...
5188639 Product for improved permanent waving of hair and simultaneously coloring and permanently waving hair and method therefor  
By combining a fluoroscein-based dye with a mercaptan based permanent waving composition and maintaining the pH of the resulting composition between about 2.5 and 4.5, a composition is achieved...
5178637 Tinctorial composition based on 5,6-dihydroxyindolines and method for dyeing keratinous fibres  
The invention relates to the use of a 5,6-dihydroxyindoline corresponding to the formula (I): ##STR1## in which R represents a hydrogen atom or a C 1 -C 4 alkyl group, as well as the acid...
5176716 Hair dye composition and its application method  
Hair dye composition for oxidative dyeing of human or animal hair containing as developing substances alone or in admixture with other developing substances, a hydroxytriaminopyrimidine, preferably...
5171889 Compositions containing nitroaniline dyes having a carbamide substituent group  
The novel hair dye compositions containing a compound of the formula: ##STR1## wherein R 1 , R 2 , R 3 and R 4 which may be identical or different, are hydrogen, alkyl, hydroxyalkyl,...
5167669 Composition for dyeing keratinous fibers employing an indole dye and at least one para-phenylenediamine containing a secondary amino group and process for use  
Dyeing composition for keratinous fibers, especially for human keratinous fibers, characterized in that it contains, in an aqueous medium suitable for dyeing: a) an indole dye; and b) a...
5145482 Hair dye compositions based on 2,5-diamino-6-nitropyridine derivatives  
A composition for dyeing hair containing 2,5-diamino-6-nitropyridine, a solvent which is preferably water, a surfactant and at least one cosmetic additive selected from the group consisting of...
5131912 2-part hair dyeing agent  
Novel durable 2-part hair dyeing agents composed of a first agent comprising as essential components at least one compound that forms HCO 3 --by dissociation in water, an alkali generating...
5118323 Benzoxazine dyes  
Novel benzoxazine compounds of the structure ##STR1## wherein X and Y are independently selected from the group hydrogen, alkyl, alkoxyalkyl, aminoalkyl, hydroxyalkyl and hydroxyaminoalkyl, each...
5104412 Hair dyeing compositions  
Hair dyeing compositions contain N-cycloalkyl-3-aminophenols corresponding to the following formula ##STR1## in which n is an integer of 4 to 8 and R 1 , R 2 , and R 3 independently of one another...
5096455 Process for dyeing keratinous fibres employing an indole dye and at least one para-phenylenediamine containing a secondary amino group absent an oxidant other than air  
Dyeing composition for keratinous fibres, especially for human keratinous fibres, characterized in that it contains, in an aqueous medium suitable for dyeing the following composition: a) an...
5089257 Preparation for the simultaneous coloring, washing, and conditioning of human hair  
This invention relates to a hair dye preparation. More specifically, this invention relates to a preparation for the simultaneous coloring, washing, and conditioning of human hair which consisting...
5089026 Dyeing composition for keratin fiber  
A dyeing composition for a keratin fiber which comprises 1,5-dihydroxynaphthalene as a coupling substance, 2-amino-5-hydroxybenzoic acid or a cosmetically acceptable salt thereof as a color...
5085666 Nitroanilines and hair-dyeing compositions in which they are present  
The invention relates to a process for the preparation of nitroanilines, which consists in reacting an amine RNH 2 , or ammonia, with 3,4-methylenedioxynitrobenzene to give the products of the...
5082467 Dye composition for keratinous fibers  
A dye composition for keratinous fibers is disclosed. The composition comprises a developing substance and, as a coupling substance, a 3,5-diaminopyridine derivative of the following formula (I),...
5078750 Hair dyeing by iridoid glycosides and aglycons thereof  
A method of dyeing hair which comprises contacting hair with an iridoid glycoside or an aglycon thereof.
5078748 Substituted 1,3-diaminobenzenes, processes for their preparation and coloring agents, containing these, for keratin fibers  
Compounds of formula I are disclosed: ##STR1## and their salts with inorganic and organic acids, wherein either X denotes H and Y denote OR or HNR, or X denotes OR or NHR and Y denotes H, and R...
5073174 Dyeing process employing indole dyes and oxidation dye precursors and dyeing agents employed  
A process for dyeing keratinous fibers comprises a two-step operation in which in the first step the fibers are contacted with an indole dye in a medium suitable for dyeing the fibers, the medium...
5064442 Process for dyeing keratinous fibres and dyeing composition using an indole derivative, a quinone dye and an oxidizing system  
The invention relates to a process for dyeing keratinous fibres, consisting in applying a composition (A) containing: (a) at least one indole derivative, (b) a quinone dye chosen from: (i)...
5047066 Dye composition for keratinous fibers containing a 2-substituted 4-aminophenol compound as a developer, and a coupling substance  
A hair dyeing composition comprising a special developer and a coupling agent is disclosed. The developer is a 4-aminophenol derivative substituted at the 2-position which is represented by the...
5034014 Hair dye composition and method  
An aromatic amine, or a cosmetically acceptable salt thereof, is reacted with an aromatic aldehyde in a reaction medium containing water. 2,6-dihydroxypyridine, or a cosmetically acceptable salt...
5030241 Use of 2,6-dinitro-aniline derivatives in hair dyes and new 2,6-dinitro-aniline derivatives  
The method of dyeing hair comprises applying to the hair a dye containing a 2,6-dinitro-aniline derivative having the general formula (I) ##STR1## wherein R represents H, C 1 -C 4 alkyl, C 2 -C...
5026401 Dyeing compositions for kerating fibres based on nitroanilines and nitroanilines for use therein  
There are described dyeing compositions for keratin fibres, and in particular for human hair, containing a dyestuff of the formula: ##STR1## in which A denotes an alkylene group, an alkylene group...
5021067 Composition for dyeing keratinous fibres employing an indole dye and at least one para-phenylenediamine disubstituted on one of the amino groups and process employing it  
Dyeing composition for keratinous fibres, and especially for human keratinous fibres, characterized in that it contains, in a cosmetically acceptable aqueous medium: (a) an indole dye, and ...
5015263 Composition for coloring skin and method  
A composition for coloring skin comprising a carrier containing an alcohol component consisting of an aromatic alcohol, an aliphatic alcohol or mixtures thereof and certain certified acid dyes,...
4994087 Compounds containing substituted phenylamino and pyridyl groups and hair dyeing preparations using them  
Novel compounds with structures corresponding to the formula: ##STR1## in which n=0 or 1 and R 1 is hydrogen, a C 1 -C 4 alkyl or hydroxyalkyl group, or an amino group, and salts of such...
4985042 New substituted metaaminophenols, a process for their preparation, hair-dyeing compositions containing them and a hair-dyeing process  
A new substituted metaaminophenol of formula (I): ##STR1## wherein Z represents a monohydroxylated or polyhydroxylated hydrocarbon radical of 1 to 6 carbon atoms or an aminoalkyl radical of the...
4961754 Ultrafine inorganic powder containing melanin pigments, process for preparation thereof and its use in cosmetics  
Powder consisting of inert inorganic particles having a particle size of less than 20 microns, containing on their surface a melanin pigment resulting from the oxidation of at least one indole dye...
4950302 Process for the production of 2,5-diamino-6-nitro-pyridine derivatives, their use in hair dye compositions and new 2,5-diamino-6-nitropyridine derivatives  
A process for producing 2,5-diamino-6-nitropyridine derivatives having the general formula (I) ##STR1## wherein R 1 to R 4 represent hydrogen or the radicals alkyl, hydroxy alkyl, dihydroxy...
4921503 Novel dyeing system  
Substituted 3-aryl amino-indoline-2-ones, produced by the reaction of certain isatins and amines are among a group of compounds useful as hair colorants. The hair itself appears to function as a...
4900325 Hair-dyeing preparations  
Hair-dyeing compositions containing oxidation dye precursors and a carrier contain coupler components corresponding to the formula: ##STR1## wherein R 1 is selected from the group consisting of...
4900326 Dye composition for human keratinous fibres in the form of foam, based on 5,6-dihydroxyindole  
Dye composition for human keratinous fibres, and for hair in particular, containing at least 5,6-dihydroxyindole and at least 0.1% by weight of a foam generator in a cosmetically acceptable aqueous...
4865620 Hair dye composition  
Hair dye compositions based on oxidation hair dyes which contain developer components, coupling components and oxidation components, characterized in that they contain one or more aminopyrrole...
4865617 Dyeing compositions for keratinous fibres, especially for human hair, containing oxidation dye precursors and heterocyclic couplers  
The invention relates to a dyeing composition for keratinous fibres containing, in a cosmetically acceptable solvent medium, at least one para-type oxidation dye precursor in combination with at...
4859206 Hair dye preparations containing nitrodiphenylamine derivative  
This invention encompasses compounds of the formula ##STR1## wherein R 1 and R 2 independently are hydrogen, C 1 -4 alkyl, or C 2 -4 hydroxyalkyl; one of R 3 to R 7 is --SO 3 H or --COOH; and...
4857070 2,4-Diaminophenyl tetrahydrofurfuryl ethers, processes for their preparation and tinting compositions, which contain them for keratinic fibres  
The invention relates to new 2,4-diaminophenyl tetrahydrofurfuryl ethers of the general formula VIII and to their salts with inorganic or organic acids ##STR1## in which R 1 , R 2 , R 3 and R 4 ,...
4838893 Oxidation hair dyes comprising substituted dihydroxypyridines as coupling components  
This invention is directed to compositions of the developer-coupler type of the dyeing of hair, consisting essentially of substituted dihydroxypyridine compounds or salts thereof as coupling...
4822375 Dyeing compositions for keratinous fibres based on indole derivatives, and new compounds  
Dyeing compositions for keratinous fibres based on indole derivatives, and new compounds. Dyeing composition for keratinous fibres, and especially human hair, characterized in that it contains, in...
4808189 Powdered hair dye containing cyclodextrin inclusion complex  
A powdered hair dye includes a dye component included in cyclodextrin. Because of the complex formation, it possesses high stability for longer shelf life, color-fastness and deeper color: and...
4797130 Oxidative hair dye composition based on 4-amino-2-aminomethyl-phenols  
Oxidative hair dye composition based on 4-amino-2-aminomethyl-phenols of the general formula (I) ##STR1## or its salts as developer substances, wherein R 1 and R 2 represent independently of one...
Matches 251 - 300 out of 356 < 1 2 3 4 5 6 7 8 >