82 results about "Substantive dye" patented technology

The present invention relates to a method for coloring keratin fibers comprising applying the following ingredients to said keratin fibers, in one or more separate compositions: i) at least one chitosan compound; ii) at least one acetoacetate compound of formula (I); iii) at least one coloring agent selected from pigments, direct dyes, and mixtures thereof. The invention also relates to a composition comprising at least one specific chitosan compound and at least one beneficial agent selected from coloring agents, acetoacetate compounds, and mixtures thereof.

The invention provides a liquid red direct dye and a preparation method thereof, and the method comprises the following steps: S1, dispersing 2-amino-5-naphthol-7-sulfonic acid and bis (trichloromethyl) carbonate in water, adjusting the pH value of a reaction system by using a first organic base, and reacting to obtain a scarlet acid aqueous solution; s2, dispersing a sulfo aromatic amine compound and nitrite in water, adjusting the pH value of a reaction system by using inorganic acid, reacting to obtain sulfo aromatic amine diazonium salt precipitate, and performing solid-liquid separation to obtain sulfo aromatic amine diazonium salt; and S3, adding the sulfonic aromatic amine diazonium salt in the step S2 into the scarlet acid aqueous solution in the step S1, adjusting the pH value of the reaction system by using second organic alkali, and reacting to obtain the liquid red direct dye. Through the preparation method, the red direct dye which can stably exist in a liquid form and is suitable for direct use can be obtained.

The present invention relates to a process for dyeing hair keratin fibres comprising: a) the application to the hair keratin fibres of at least one dye composition C comprising at least one colouring agent chosen from direct dyes, oxidation dye precursors and mixtures thereof, and optionally at least one chemical oxidizing agent; and then b) the application of at least one composition T comprising: (1) at least one (poly)carbodiimide compound; (2) at least one polymer comprising at least one reactive group chosen from carboxylic acids; and (3) optionally at least one silicone.

The present invention provides - a) i) at least one anionic fixing polymer; ii) at least one direct dye, and iii) at least one C2-C4 monoalcohol At least one composition comprising: b) at least one propellant selected from dimethyl ether wherein the composition comprises less than 5% by weight of water, based on the total weight of the composition; and - a means for delivering the composition; The present invention relates to an aerosol device comprising: The present invention also relates to a method for neutralizing the yellow and / or orange hue of previously bleached and / or natural keratin fibers.

Title: Hair coloring process comprising the application of a (poly)carbodiimide compound, a silicone acrylic copolymer, and a coloring agent. The present invention relates to a hair coloring process comprising the application to the hair of at least one composition C comprising: (i) one or more (poly)carbodiimide compounds; (ii) one or more silicone acrylic copolymers, and (iii) at least one coloring agent selected from pigments, direct dyes, and mixtures thereof, compounds (i), (ii) and / or (iii) being packaged together or separately in one or more aerosol devices in the presence of at least one propellant.

The present invention relates to a hair coloring process comprising the application to the hair of at least one composition C comprising: - at least one (poly)carbodiimide compound; - at least one silicone acrylic copolymer; - at least one alkaline agent having a saturated vapor pressure at 20°C greater than or equal to 2500 Pa; and - at least one coloring agent selected from pigments, direct dyes, and mixtures thereof.

The present invention relates to a method for dyeing keratinous hair fibers, comprising: a) applying to said keratinous hair fibers at least one composition C comprising: at least one (poly)carbodiimide compound; at least one compound comprising at least one carboxylic acid functional group; and at least one colorant selected from pigments, direct dyes and mixtures thereof; then b) applying heat to said keratinous hair fibers at a temperature of at least 30°C; and then c) applying to said keratinous hair fibers at least one composition G comprising: at least one (poly)carbodiimide compound; at least one compound comprising at least one carboxylic acid functional group.

The invention relates to a process for dyeing keratin fibres, preferably human keratin fibres, more preferentially the hair, which comprises applying to the keratin fibres, preferably human keratin fibres, more preferentially the hair, a composition (A) comprising at least one dye, preferably chosen from oxidation dyes, direct dyes, mixtures thereof and reaction products thereof, rinsing the keratin fibres, preferably human keratin fibres, more preferentially the hair, and treating the solution resulting from the rinsing with at least one alkaline agent. The invention also relates to a process for treating a water comprising at least one dye, preferably chosen from oxidation dyes, direct dyes, mixtures thereof and reaction products thereof, wherein this water is contacted with at least one alkaline agent.

The present invention relates to a method for coloring keratin fibers employing a composition comprising at least one direct dye and / or an oxidation dye precursor and a composition comprising at least one compound with acetoacetate functions.

Composition comprising a direct dye, a non-associative polysaccharide, a particular polycarboxylic acid, and a hydroxylated compound. The invention relates to a composition comprising: one or more direct dyes; one or more non-associative polysaccharides; one or more polycarboxylic acids of formula (I); one or more hydroxylated compounds selected from aromatic alcohols, C2-C6 aliphatic hydroxylated solvents, and mixtures thereof.

The invention relates to a process for dyeing keratin fibres, preferably human keratin fibres, more preferentially the hair, comprising applying, to the keratin fibres, preferably human keratin fibres, more preferentially the hair, a composition (A) comprising at least one dye, preferably chosen from oxidation dyes, direct dyes, mixtures thereof and reaction products thereof, rinsing the keratin fibres, preferably human keratin fibres, more preferentially the hair, and treating the solution resulting from the rinsing with at least one non-persulfate chemical oxidizing agent. The invention also relates to a process for treating a water comprising at least one dye, preferably chosen from oxidation dyes, direct dyes, mixtures thereof and reaction products thereof, wherein this water is brought into contact with at least one non-persulfate chemical oxidizing agent.

A composition comprising a peroxygenated salt, a fatty substance, an acrylic polymer, and a direct dye. The invention relates to a composition for lightening keratin fibers, and in particular human keratin fibers such as hair, comprising one or more peroxygenated salts, one or more fatty substances present in a total content greater than or equal to 20% by weight relative to the total weight of the composition, one or more acrylic polymers, and one or more direct dyes. The invention also relates to a method for lightening keratin fibers, preferably human, particularly hair, comprising applying the composition to said keratin fibers.

The present invention relates to a hair coloring process comprising: a) applying to the hair at least one composition T comprising at least one agent AA selected from amino acids and their derivatives; then b) applying to the hair at least one composition C comprising: - at least one (poly)carbodiimide compound; and - at least one coloring agent selected from pigments, direct dyes, and mixtures thereof.

The present invention relates to a method for dyeing keratinous fibers, in particular human hair, comprising the (1) Application of a silicone-free dye (F) to the keratinous fibers, which contains (F-1) at least one film-forming polymer and (F-2) at least one colouring compound from the group consisting of pigments, direct dyes and oxidation dye precursors, and the (2) Application of a non-staining, silicone-free after-treatment agent (N) to the keratinous fibers, which contains (N-1) at least one film-forming polymer.

The present invention relates to a cosmetic composition comprising at least one specific imidazole compound, at least one zinc salt, and at least one coloring agent selected from direct dyes, pigments, and mixtures thereof. The present invention also relates to a method for coloring keratin fibers, particularly human keratin fibers such as hair, in which the cosmetic composition as described above is applied to said fibers. The present invention further relates to the use of the cosmetic composition according to the invention for coloring keratin fibers, particularly human keratin fibers such as hair.

To provide a hair-dyeing composition having stable hair-dyeing power even to the difference of hair quality for the purpose of remarkably suppressing stains on the skin, a bathtub and a washstand which cannot be realized by a conventional hair-dyeing composition.SOLUTION: The ink composition contains at least one dye selected from an HC dye, a basic dye, a direct dye, and an acidic dye and contains a hydrophobically modified polyether urethane.SELECTED DRAWING: Figure 1

COMPOSITION AND PROCESS FOR DYEING KERATINOUS FIBERS The present invention relates to a composition comprising: a) at least one protein; b) at least one alkoxysilane; and c) at least one coloring agent selected from pigments, direct dyes, and mixtures thereof. The present invention also relates to a process for dyeing keratinous fibers such as hair, comprising applying said composition to the keratinous fibers such as hair. Figure for abstract: none

The invention relates to a method for dyeing keratin fibres, in particular human hair, comprising the following steps: applying a pretreatment agent (V) to the keratin fibres, said pretreatment agent (V-Ox) containing at least one oxidizing agent; and applying a colouring agent (F) to the keratin fibres, said colouring agent containing at least one direct dye in the cosmetic carrier (F-DZ).

The invention discloses a cotton fiber direct dye less-water dyeing method based on an electrostatic spinning technology, and belongs to the technical field of textile chemical industry. The traditional cotton fiber dyeing mainly adopts a water bath dipping dyeing method which can generate a large amount of dyeing wastewater, but the method is a green and environment-friendly dyeing technology, and the adopted dyeing process comprises the following steps: by taking a PVA spinning solution as a carrier, depositing micro-nano fibers carrying a cationic modifier polyepichlorohydrin amide and a dye on a cotton fiber net, and carrying out dyeing on the micro-nano fibers to obtain a dyed cotton fiber net; according to the method, colored micro-nano fibers are loaded accurately, then boiling is carried out, a cationic modifier can be released to chemically react with cotton fibers, cationic modification is effectively carried out on the cotton fibers, and binding sites of the cotton fibers and dye are increased; meanwhile, the direct dye is rapidly dyed and fixed by virtue of the directness of the direct dye and the electrostatic attraction between the direct dye and the modified cotton fiber, so that synchronous coloring and ecological fixation are realized. The process can basically realize zero discharge of printing and dyeing wastewater.

The present invention relates to a cosmetic process for treating keratin materials, in particular keratin fibers, preferably human keratin fibers such as the hair, using a) one or more direct dyes and b) one or more particular heterocyclic salts, to a composition comprising ingredients a) and b) and to a kit comprising a) and b).

Hair coloring process. The invention relates to a cosmetic hair coloring process comprising at least the steps of: a) applying an aqueous coloring composition comprising one or more ionic direct dyes to at least one strand of hair, b) exposing the hair impregnated with the coloring composition to microwave radiation. Figure for the abstract: Fig 1.

Hair coloring process employing a composition comprising a direct dye that is recirculated over the hair. The invention relates to a process for coloring keratin fibers, in particular human keratin fibers such as hair, comprising i) applying a coloring composition (A) comprising one or more direct dye(s) and optionally water to said keratin fibers, ii) recovering at least a portion of the coloring composition (A) after application to the keratin fibers, iii) applying the coloring composition (A) recovered in step ii) to the keratin fibers, iv) optionally rinsing the keratin fibers with water. Figure for the abstract: Figure 1

The present invention relates to a method for dyeing keratinous hair fibers, comprising applying to the keratinous hair fibers at least one composition C containing a) at least one (poly)carbodiimide compound, b) at least one compound comprising at least one carboxylic acid group, c) at least one aminosilicone of formula (XIII), and d) at least one colorant chosen from pigments, direct dyes, and mixtures thereof.

The invention relates to a method for coloring keratin fibers, preferably human, more preferably hair, comprising applying to the keratin fibers, preferably human, more preferably hair, a composition (A) comprising at least one dye, preferably selected from oxidation dyes, direct dyes, their mixtures and their reaction products, rinsing the keratin fibers, preferably human, more preferably hair, and treating the solution from the rinse with at least one persulfate.The invention also relates to a method for treating water comprising at least one dye, preferably chosen from oxidation dyes, direct dyes, mixtures thereof and reaction products, in which this water is brought into contact with at least one persulfate.

The present invention relates to a process for colouring hair keratin fibers, in particular the hair, comprising the application of a composition A and a composition B to said hair keratin fibers, in which: composition A comprises at least one (poly)carbodiimide compound, and composition B comprises: at least one associative polymer; and at least one compound, different from the associative polymers, containing at least one carboxylic acid group; at least one compound, preferably at least two compounds, containing at least one hydroxyl function; composition A and / or composition B comprising at least one colouring agent chosen from pigments, direct dyes and mixtures thereof; and in which composition A and composition B are applied simultaneously or sequentially to the hair keratin fibers. The present invention also relates to a device for colouring hair keratin fibers.

The present invention relates to a means for dyeing keratinous fibers, in particular human hair, comprising (F-1) at least one colouring compound from the group consisting of pigments and direct dyes, and (F-2) at least one chitosan and / or a chitosan derivative, and (F-3) at least one aliphatic C1-C 22 Monoalcohol, and (F-4) at least one aliphatic C2-C 22 Polyol wherein the weight ratio of the aliphatic C1-C contained in the average 22 -Monoalcohols (F-3) to the aliphatic C2-C contained in the average 22 Polyols (F-4), i.e., the weight ratio (F-3) / (F-4), is at least 1.

A fiber dyeing agent composition for head accessories comprises an anionic direct dye (A) and water, and has a total content of at most 4.5 mass% of lactic acid, citric acid, and salts thereof.

The present invention relates to a process for removing the colour from keratinous hair fibres previously dyed by means of at least one composition for dyeing keratinous hair fibres, comprising at least one (poly)carbodiimide compound; and at least one colouring agent chosen from pigments, direct dyes and mixtures thereof. Said process comprises the following steps: i) applying, to the keratinous hair fibres previously dyed by means of said dyeing composition, at least one colour-removing composition, comprising at least one alkyl or alkylene carbonate; and ii) applying, to said keratinous hair fibres, tongs (1) comprising two arms A and B, between which arms said keratinous hair fibres pass.

The present invention relates to the field of cosmetic treatment of keratin fibers and in particular to the dyeing of keratin fibers, preferably the hair. It is thus an object of the present invention to propose a novel dyeing process comprising the application to said keratin fibers of polymers bearing acetoacetate units which provide excellent technical properties, in particular in terms of the persistence of the color they provide. More precisely, the subject of the present invention is a process for dyeing keratin fibers such as the hair, comprising the application to keratin fibers of at least one composition A comprising at least one aminoalkoxysilane chosen from compounds of formula (I) or (Γ), and the application to keratin fibers of at least one composition B different from composition A, comprising at least one polymer P comprising repeat units obtained from at least one monomer of formula (III). Said composition A and / or composition B comprise at least one colorant chosen from pigments, direct dyes and mixtures thereof.