WO2015086002A1 - Procédé et kit pour colorer les cheveux avec une couverture des cheveux blancs et une résistance au lavage améliorées - Google Patents

Procédé et kit pour colorer les cheveux avec une couverture des cheveux blancs et une résistance au lavage améliorées Download PDF

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Publication number
WO2015086002A1
WO2015086002A1 PCT/DE2014/200595 DE2014200595W WO2015086002A1 WO 2015086002 A1 WO2015086002 A1 WO 2015086002A1 DE 2014200595 W DE2014200595 W DE 2014200595W WO 2015086002 A1 WO2015086002 A1 WO 2015086002A1
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Prior art keywords
acid
orange
colorant
red
pretreatment agent
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PCT/DE2014/200595
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German (de)
English (en)
Inventor
Konstantin Goutsis
Gabriele Weser
Original Assignee
Henkel Ag & Co. Kgaa
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Publication of WO2015086002A1 publication Critical patent/WO2015086002A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34—Alcohols
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/43—Guanidines
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/46—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/46—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur
    • A61K8/466—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur containing sulfonic acid derivatives; Salts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
    • A61K8/4973—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with oxygen as the only hetero atom
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00—Preparations for care of the hair
    • A61Q5/04—Preparations for permanent waving or straightening the hair
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00—Preparations for care of the hair
    • A61Q5/06—Preparations for styling the hair, e.g. by temporary shaping or colouring
    • A61Q5/065—Preparations for temporary colouring the hair, e.g. direct dyes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/42—Colour properties
    • A61K2800/43—Pigments; Dyes
    • A61K2800/432—Direct dyes
    • A61K2800/4322—Direct dyes in preparations for temporarily coloring the hair further containing an oxidizing agent
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/80—Process related aspects concerning the preparation of the cosmetic composition or the storage or application thereof
    • A61K2800/88—Two- or multipart kits
    • A61K2800/884—Sequential application

Definitions

  • the present application is a process for the low-damage coloring of keratinic fibers.
  • the method comprises the use of a pretreatment agent containing one or more specific solvents and the use of a colorant containing at least one substantive acid dye.
  • a pretreatment agent containing one or more specific solvents and the use of a colorant containing at least one substantive acid dye.
  • Suitable for use in this process is a multi-component packaging unit (kit) which, packaged separately, contains a corresponding pretreatment agent and colorant.
  • the pretreatment agent should also be suitable for smoothing the keratin fibers.
  • the present invention is the use of a corresponding
  • Multi-component packaging unit for improving the color intensity, the wash fastness and the gray coverage of the dyeings.
  • the change in shape and color of keratinic fibers, especially hair represents an important area of modern cosmetics. In this way, the appearance of the hair can be adapted to both current fashion trends as well as the individual desires of each person.
  • the coloring, especially the covering of graying hair is aimed at by people of all cultures.
  • people from cultures with naturally frizzy hair are often looking for ways to straighten their hair.
  • Hair straighteners are used to decongest curly hair.
  • the hair straightening must meet a number of minimum requirements:
  • the funds must - especially for hair with strong curly, as occurs, for example, in African hair - effective smoothing of heavily curled hair effect, the smoothing should be independent of the hair condition.
  • the funds must be stable in temperature, should have an optimal consistency, do not cause skin irritation and be easily washed out again.
  • the agents should not cause excessive damage to the hair.
  • the most commonly used method for smoothing very curly hair is the treatment of hair with preparations based on sodium, potassium, lithium and / or guanidinium hydroxide. Using these hair relaxers, the cystine bonds in the hair are split and about one third of the cystine content is converted to lanthionine. Since the hair straightening carried out with the abovementioned hydroxides exposes the hair to strong alkalinity, the damage to the hair can often not be avoided.
  • reducing agents usually cysteic acid or its derivatives, or also thioglycolic acid glycerol esters, sulfites, thiolactic acid, cysteine or cysteamine are used.
  • cystine disulfide bridge contained in the hair is split and the hair is brought into a plastic state.
  • the hair which is now easily deformable can be smoothed.
  • the reunion of the Disulfide bridges in the smoothed hair can be made by the application of an oxidizing agent.
  • the oxidizing agent usually hydrogen peroxide is used. Also with this
  • oxidation colorants usually contain oxidation dye precursors, so-called developer components and coupler components, which under the influence of oxidizing agents such as
  • Oxidative dyes are characterized by excellent, long-lasting staining results but are also associated with some degree of hair damage.
  • the use of oxidation colorants in combined smoothing dyeing processes would be associated with an accumulation of damage, for which reason the use of oxidation colorants in smoothing dyeing processes is not indicated.
  • the hair color can be changed temporarily.
  • already formed dyes diffuse from the colorant into the hair fiber.
  • the dyeings obtained with substantive dyes have a lower durability and faster leachability.
  • the gray covers, which can be obtained with substantive dyes, are usually in need of improvement. Of advantage, however, is the lower hair damage of the dyeing with substantive dyes.
  • WO 2013/098335 A2 discloses a method for smoothing and dyeing keratin fibers, in which bases and dyes are used simultaneously on the fibers.
  • the methods and means known from the prior art are often associated with high to very high hair damage.
  • the object of the present invention was to provide a low-damage process for dyeing keratinic fibers.
  • the color intensities, the wash fastnesses and the gray coverings of the dyeings should be improved.
  • the method should also be suitable for the combined smoothing and coloring of keratin fibers.
  • the keratin fibers should be damaged as little as possible by this method.
  • keratinic fibers can be dyed intensively when subjected to a process comprising a pretreatment step with a special solvent mixture and dyeing with substantive acid dyes.
  • the agent used in the pretreatment step is in principle also suitable for smoothing the keratin fibers.
  • a first object of the present invention is a process for dyeing keratinic fibers, comprising the following steps in the order given
  • the pretreatment agent (V) contains at least one solvent from the group of benzyl alcohol, 2 phenoxyethane-1-ol and / or propylene carbonate, and
  • the colorant (F) contains at least one substantive acid dye.
  • Keratinic fibers, keratin-containing fibers or keratin fibers are understood to mean furs, wool, feathers and, in particular, human hair.
  • compositions according to the invention are primarily suitable for lightening and dyeing keratin fibers, in principle, there is nothing to prevent their use in other fields as well.
  • These agents are various cosmetic agents containing all essential ingredients each in a cosmetic carrier.
  • the cosmetic carrier may be a suitable aqueous, alcoholic or aqueous-alcoholic carrier. For example, that can
  • Pretreatment agent (V) and the colorant (F) each in the form of a cream, an emulsion, a gel or in the form of a surfactant-containing foaming solution, such as a shampoo, a foam aerosol, a foam formulation or in the form of another preparation which is suitable for Application on the hair is suitable to be applied to the keratinic fibers.
  • a surfactant-containing foaming solution such as a shampoo, a foam aerosol, a foam formulation or in the form of another preparation which is suitable for Application on the hair is suitable to be applied to the keratinic fibers.
  • Process steps are temporally close together.
  • the best results were obtained when between the treatment of the keratin fibers with the pretreatment agent (V) in step A) and the colorant (F) in step B), a time interval of not more than 24 hours, preferably of a maximum of 12 hours, more preferred of a maximum of 6 hours and more preferably of a maximum of 30 minutes.
  • the most preferred methods are those in which the application of the colorant takes place directly after completion of the pretreatment.
  • Preferred is a process for dyeing keratinic fibers, comprising the following steps in the order given
  • the pretreatment agent (V) contains at least one solvent from the group consisting of benzyl alcohol, 2-phenoxyethane-1-ol and / or propylene carbonate,
  • the colorant (F) contains at least one substantive acid dye, and - Between the steps A) and B) is a time interval of a maximum of 24 hours, preferably of a maximum of 12 hours, more preferably of a maximum of 6 hours and more preferably of a maximum of 30 minutes.
  • the pretreatment agent (V) is applied to the fibers and left on the keratin fibers for a period of 30 seconds to 45 minutes.
  • the application of the colorant (F) in the subsequent step B) without the
  • Pre-treatment agent (V) is rinsed out. However, it is preferred if the
  • Pre-treatment agent (V) is rinsed out before the colorant (F) is applied to the fibers.
  • the colorant (F) is left on the fibers for a period of application of 30 seconds to 45 minutes and then also rinsed out again.
  • the rinsing out of the agents (V) and / or (F) can in this case be effected with water or with water with the aid of a shampoo, a conditioning shampoo or a conditioner.
  • pretreatment agent (V) and the colorant (F) are each rinsed with water.
  • steps A3) and B1) is a time interval of a maximum of 24 hours, preferably of a maximum of 12 hours, more preferably of a maximum of 6 hours and more preferably of a maximum of 30 minutes.
  • steps A3) and B1) is a time interval of a maximum of 24 hours, preferably of a maximum of 12 hours, more preferably of a maximum of 6 hours and more preferably of a maximum of 30 minutes.
  • steps A3) and B1) is a time interval of a maximum of 24 hours, preferably of a maximum of 12 hours, more preferably of a maximum of 6 hours and more preferably of a maximum of 30 minutes.
  • steps A3) and B1) is a time interval of a maximum of 24 hours, preferably of a maximum of 12 hours, more preferably of a maximum of 6 hours and more preferably of a maximum of 30 minutes.
  • a second subject of the present invention is therefore a multi-component packaging unit (kit) comprising at least two separately prepared cosmetic products (V) and (F), wherein
  • the pretreatment agent (V) contains at least one solvent from the group of benzyl alcohol, 2-phenoxyethane-1-ol and / or propylene carbonate, and
  • the colorant (F) contains at least one substantive acid dye.
  • compositions (V) and (F) contain the essential ones
  • the cosmetic carrier may be a suitable aqueous, alcoholic or aqueous-alcoholic carrier.
  • the pretreatment agent (V) and the colorant (F) may each be in the form of a cream, an emulsion, a gel or in the form of a surfactant-containing foaming solution, such as a shampoo, a foam aerosol, a foam formulation or in the form of another preparation, which is suitable for use on the hair, are applied to the keratinic fibers.
  • the agents (V) and (F) are used according to the invention, their successive application allows the coloring of the hair with little damage, the dyeings having surprisingly high color intensities and unexpectedly good gray covers and wash fastness.
  • Essential to the invention for the pretreatment agent (V) is its content of at least one solvent from the group of benzyl alcohol, 2-phenoxyethane-1-ol and / or propylene carbonate.
  • Pretreatment agent (V) only certain solvents are suitable.
  • Benzyl alcohol is an aromatic alcohol of the formula (I)
  • 2-phenoxy-ethane-1-ol is an aromatic alcohol of the formula (I I).
  • keratinic fibers are used with a pretreatment agent (V) containing at least one of the two aromatic alcohols, dyeings are then obtained in a subsequent dyeing with substantive acid dyes, which are characterized by very good gray covers. The wash fastness of these dyes are outstanding.
  • the solvent propylene carbonate also shows a very good suitability when used in the pretreatment agent (V).
  • Propylene carbonate is alternatively referred to as 4-methyl-1, 3-dioxolan-2-one and has the structure of the formula (I II).
  • a further particularly preferred process according to the invention and a particularly preferred kit according to the invention are therefore characterized in that the pretreatment agent (V) comprises at least one combination of the solvents propylene carbonate / benzyl alcohol, propylene carbonate / 2-phenoxyethane-1-ol and / or benzyl alcohol / 2 Phenoxyethan-1-ol contains.
  • the pretreatment agent (V) at least one combination of the solvents
  • a further particularly preferred kit according to the invention is characterized in that the pretreatment agent (V) comprises at least one combination of the solvents
  • the pretreatment agent (V) contains propylene carbonate and benzyl alcohol as solvent
  • the colorant (F) contains at least one substantive acid dye
  • steps A3) and B1) is a time interval of a maximum of 24 hours, preferably of a maximum of 12 hours, more preferably of a maximum of 6 hours and more preferably of a maximum of 30 minutes.
  • a further preferred embodiment is therefore a method according to the invention, comprising the following steps in the order given
  • the pretreatment agent (V) contains, as solvent, propylene carbonate and 2-phenoxyethane-1-ol,
  • the colorant (F) contains at least one substantive acid dye
  • steps A3) and B1) is a time interval of a maximum of 24 hours, preferably of a maximum of 12 hours, more preferably of a maximum of 6 hours and more preferably of a maximum of 30 minutes.
  • a further preferred embodiment is therefore a method according to the invention, comprising the following steps in the order given
  • the pretreatment agent (V) contains benzyl alcohol and 2-phenoxyethane-1-ol as solvent,
  • the colorant (F) contains at least one substantive acid dye
  • steps A3) and B1) is a time interval of a maximum of 24 hours, preferably of a maximum of 12 hours, more preferably of a maximum of 6 hours and more preferably of a maximum of 30 minutes.
  • kits comprising at least two separately formulated cosmetic compositions (V) and (F), wherein
  • the pretreatment agent (V) contains propylene carbonate and benzyl alcohol as solvent, and
  • the colorant (F) contains at least one substantive acid dye.
  • kits comprising at least two separately formulated cosmetic compositions (V) and (F), wherein
  • the pretreatment agent (V) contains propylene carbonate and 2-phenoxy-ethane-1-ol as solvent, and
  • the colorant (F) contains at least one substantive acid dye.
  • kits comprising at least two separately formulated cosmetic compositions (V) and (F), wherein
  • the pretreatment agent (V) contains propylene carbonate and 2-phenoxy-ethane-1-ol as solvent, and
  • the colorant (F) contains at least one substantive acid dye.
  • the pretreatment agent (V) is a
  • washfastness and the gray coverings can also be influenced by the ratio in which the two solvents Propylene carbonate and benzyl alcohol are used together.
  • the best results have been achieved using an excess of propylene carbonate, wherein the ratio of propylene carbonate to benzyl alcohol is preferably from about 4 to about 8 (ie
  • Propylene carbonate should be used in excess of 4 to 8 subjects compared to benzyl alcohol).
  • a further particularly preferred method according to the invention and a particularly preferred kit according to the invention are therefore characterized in that the pretreatment agent (V) comprises propylene carbonate and benzyl alcohol, the weight ratio of propylene carbonate to benzyl alcohol, i. the weight ratio of propylene carbonate / benzyl alcohol, im
  • Pretreatment agent (V) at a value of 8.5 to 2.0, preferably from 7.0 to 2.5, more preferably from 6.0 to 3.0 and particularly preferably from 5.5 to 4.0.
  • the weight ratio of propylene carbonate / benzyl alcohol on average (V) is at a value of
  • a further preferred embodiment is therefore a method according to the invention, comprising the following steps in the order given
  • the pretreatment agent (V) contains propylene carbonate and benzyl alcohol
  • Weight ratio of propylene carbonate to benzyl alcohol i. the weight ratio
  • the colorant (F) contains at least one substantive acid dye
  • steps A3) and B1) is a time interval of a maximum of 24 hours, preferably of a maximum of 12 hours, more preferably of a maximum of 6 hours and more preferably of a maximum of 30 minutes.
  • a further preferred embodiment is therefore a method according to the invention, comprising the following steps in the order given
  • the pretreatment agent (V) contains propylene carbonate and benzyl alcohol
  • Weight ratio of propylene carbonate to benzyl alcohol i. the weight ratio
  • the colorant (F) contains at least one substantive acid dye
  • steps A3) and B1) is a time interval of a maximum of 24 hours, preferably of a maximum of 12 hours, more preferably of a maximum of 6 hours and more preferably of a maximum of 30 minutes.
  • a further preferred embodiment is therefore a method according to the invention, comprising the following steps in the order given
  • the pretreatment agent (V) contains propylene carbonate and benzyl alcohol
  • Weight ratio of propylene carbonate to benzyl alcohol i. the weight ratio
  • the colorant (F) contains at least one substantive acid dye
  • steps A3) and B1) is a time interval of a maximum of 24 hours, preferably of a maximum of 12 hours, more preferably of a maximum of 6 hours and more preferably of a maximum of 30 minutes.
  • kits comprising at least two separately formulated cosmetic compositions (V) and (F), wherein
  • the pretreatment agent (V) contains propylene carbonate and benzyl alcohol
  • Weight ratio of propylene carbonate to benzyl alcohol i. the weight ratio
  • the colorant (F) contains at least one substantive acid dye.
  • a multi-component packaging unit (kit) comprising at least two separately formulated cosmetic compositions (V) and (F), wherein
  • the pretreatment agent (V) contains propylene carbonate and benzyl alcohol
  • Weight ratio of propylene carbonate to benzyl alcohol i. the weight ratio
  • the colorant (F) contains at least one substantive acid dye.
  • kits comprising at least two separately formulated cosmetic compositions (V) and (F), wherein
  • the pretreatment agent (V) contains propylene carbonate and benzyl alcohol
  • Weight ratio of propylene carbonate to benzyl alcohol i. the weight ratio
  • the colorant (F) contains at least one substantive acid dye.
  • the pretreatment agent (V) contains the solvent (s) according to the invention in specific total amounts. Improvements in the fastness properties are from one
  • Total amount of solvents of the invention of 4.0 wt .-% very visible.
  • the fastness properties are achieved by increasing the total amount of solvent in the
  • Pretreatment agent (V) further reinforced, it has been shown that from quantitative ranges of more than 15 wt .-% increasingly technical application and dermatological disadvantages such as possible skin irritation and increased skin discoloration can occur.
  • the use of the solvents according to the invention in a total amount of 1, 0 to 15.0 wt .-% is therefore suitable, preferably 4.0 to 13.5 wt .-%, more preferably from 7.0 to 13.0 wt. -%, and more preferably from 8.0 to 12.0 wt .-%.
  • the total amount of the solvents is understood as meaning the total amount of all solvents contained in the pretreatment agent (V) from the group consisting of benzyl alcohol, 2-phenoxyethane-1-ol and propylene carbonate. The basis of calculation for the
  • Solvent total here is the total weight of the pretreatment agent (V).
  • the pretreatment agent (V) comprises one or more solvents from the group of benzyl alcohol, 2-phenoxyethane-1-ol and / or propylene carbonate in a total amount of 1.0 to 15.0 wt .-%, preferably from 4.0 to 13.5 wt .-%, more preferably from 7.0 to 13.0 wt .-% and particularly preferably from 8.0 to 12.0 wt. % - based on the total weight of pretreatment agent (V) - contains,
  • a further preferred embodiment is therefore a method according to the invention, comprising at least two separately prepared cosmetic compositions (V) and (F), wherein
  • the pretreatment agent (V) comprises one or more solvents from the group consisting of benzyl alcohol, 2-phenoxyethane-1-ol and / or propylene carbonate in a total amount of from 1.0 to 15.0% by weight, preferably from 4.0 to 13, 5 wt .-%, more preferably from 7.0 to 13.0 wt .-% and particularly preferably from 8.0 to 12.0 wt .-% - based on the total weight of the pretreatment agent (V) - contains
  • the colorant (F) contains at least one substantive acid dye.
  • a multi-component packaging unit (kit) comprising at least two separately formulated cosmetic compositions (V) and (F), wherein
  • the pretreatment agent (V) comprises one or more solvents from the group consisting of benzyl alcohol, 2-phenoxyethane-1-ol and / or propylene carbonate in a total amount of from 1.0 to 15.0% by weight, preferably from 4.0 to 13, 5 wt .-%, more preferably from 7.0 to 13.0 wt .-% and particularly preferably from 8.0 to 12.0 wt .-% - based on the total weight of the pretreatment agent (V) - contains
  • the colorant (F) contains at least one substantive acid dye.
  • Another preferred embodiment is also a method according to the invention, comprising the following steps in the order given
  • the pretreatment agent (V) comprises one or more solvents from the group consisting of benzyl alcohol, 2-phenoxyethane-1-ol and / or propylene carbonate in a total amount of from 1.0 to 15.0% by weight, preferably from 4.0 to 13, 5 wt .-%, more preferably from 7.0 to 13.0 wt .-% and particularly preferably from 8.0 to 12.0 wt .-% - based on the total weight of the pretreatment agent (V) - contains,
  • the colorant (F) contains at least one substantive acid dye
  • steps A3) and B1) is a time interval of a maximum of 24 hours, preferably of a maximum of 12 hours, more preferably of a maximum of 6 hours and more preferably of a maximum of 30 minutes.
  • Colorant (F) contains a special solvent. To increase the color intensity of the
  • a further particularly preferred process according to the invention and a particularly preferred kit according to the invention are therefore characterized in that the colorant (F) contains at least one solvent from the group of benzyl alcohol and / or 2-phenoxyethane-1-ol.
  • a further particularly preferred process according to the invention is characterized in that the colorant (F) contains at least one solvent from the group of benzyl alcohol and / or 2-phenoxyethane-1-ol.
  • a further particularly preferred kit according to the invention is characterized in that the colorant (F) contains at least one solvent from the group of benzyl alcohol and / or 2-phenoxyethane-1-ol.
  • a further particularly preferred process according to the invention and a particularly preferred kit according to the invention are therefore characterized in that the colorant (F) contains benzyl alcohol and 2-phenoxyethane-1-ol as solvent.
  • a still further particularly preferred method according to the invention is characterized in that the colorant (F) contains as solvent benzyl alcohol and 2-phenoxyethane-1-ol.
  • a further particularly preferred kit according to the invention is characterized in that the colorant (F) contains as solvent benzyl alcohol and 2-phenoxyethane-1-ol.
  • the dyeings obtainable according to the invention or the kit obtainable are influenced by the quantitative ratio in which the two solvents benzyl alcohol and 2-phenoxyethane-1-ol have been used with respect to one another in the colorant (F).
  • benzyl alcohol when the ratio of benzyl alcohol to 2-phenoxyethane-1-ol is more preferably from 8.0 to 2.0, preferably from 6.5 to 2.5 from 6.0 to 3.0, and more preferably from 5.5 to 4.0 (ie, it is preferred that benzyl alcohol, compared to 2-phenoxyethane-1-ol s in about 2 to 8-fold excess, most preferably in 4.0 to 5.5-fold excess).
  • a further particularly preferred method according to the invention and a particularly preferred kit according to the invention are therefore characterized in that the colorant (F) contains benzyl alcohol and 2-phenoxyethane-1-ol as solvent, the weight ratio of benzyl alcohol to 2-phenoxyethane-1-ol ie the weight ratio of benzyl alcohol / 2-phenoxyethane-1-ol, in the colorant (F) at a value of 8.0 to 2.0, preferably from 6.5 to 2.5, more preferably from 6.0 to 3.0 and more preferably from 5.5 to 4.0.
  • a further particularly preferred process according to the invention is characterized in that the colorant (F) contains benzyl alcohol and 2-phenoxyethane-1-ol as solvent, the weight ratio of benzyl alcohol to 2-phenoxyethane-1-ol, ie the weight ratio benzyl alcohol / 2 Phenoxyethan-1-ol, in the colorant (F) at a value of 8.0 to 2.0, preferably from 6.5 to 2.5, more preferably from 6.0 to 3.0 and particularly preferably from 5.5 to 4.0.
  • a particularly particularly preferred kit according to the invention is characterized in that the colorant (F) contains benzyl alcohol and 2-phenoxyethane-1-ol as solvent, the weight ratio of benzyl alcohol to 2-phenoxyethane-1-ol, ie the weight ratio benzyl alcohol / 2 Phenoxyethan-1-ol, in the colorant (F) at a value of 8.0 to 2.0, preferably from 6.5 to 2.5, more preferably from 6.0 to 3.0 and particularly preferably from 5.5 to 4.0.
  • the colorant (F) contains benzyl alcohol and 2-phenoxyethane-1-ol as solvent, the weight ratio of benzyl alcohol to 2-phenoxyethane-1-ol, ie the weight ratio benzyl alcohol / 2 Phenoxyethan-1-ol, in the colorant (F) at a value of 8.0 to 2.0, preferably from 6.5 to 2.5, more preferably from 6.0 to 3.0 and particularly preferably from 5.5 to 4.0.
  • a further preferred embodiment is therefore a method according to the invention, comprising the following steps in the order given
  • the pretreatment agent (V) contains propylene carbonate and benzyl alcohol as solvent
  • the coloring agent (F) contains as solvent benzyl alcohol and 2-phenoxyethane-1-ol,
  • the colorant (F) contains at least one substantive acid dye
  • steps A3) and B1) is a time interval of a maximum of 24 hours, preferably of a maximum of 12 hours, more preferably of a maximum of 6 hours and more preferably of a maximum of 30 minutes.
  • a further preferred embodiment is therefore a method according to the invention, comprising the following steps in the order given
  • the pretreatment agent (V) contains, as solvent, propylene carbonate and 2-phenoxy-ethane-1-ol,
  • the coloring agent (F) contains as solvent benzyl alcohol and 2-phenoxyethane-1-ol,
  • the colorant (F) contains at least one substantive acid dye
  • steps A3) and B1) is a time interval of a maximum of 24 hours, preferably of a maximum of 12 hours, more preferably of a maximum of 6 hours and more preferably of a maximum of 30 minutes.
  • a further preferred embodiment is therefore a method according to the invention, comprising the following steps in the order given
  • the pretreatment agent (V) contains benzyl alcohol and 2-phenoxyethane-1-ol as solvent,
  • the coloring agent (F) contains as solvent benzyl alcohol and 2-phenoxyethane-1-ol,
  • the colorant (F) contains at least one substantive acid dye
  • steps A3) and B1) is a time interval of a maximum of 24 hours, preferably of a maximum of 12 hours, more preferably of a maximum of 6 hours and more preferably of a maximum of 30 minutes.
  • kits comprising at least two separately formulated cosmetic compositions (V) and (F), wherein
  • the pretreatment agent (V) contains propylene carbonate and benzyl alcohol as solvent
  • the colorant (F) contains benzyl alcohol and 2-phenoxyethane-1-ol as solvent, and
  • the colorant (F) contains at least one substantive acid dye.
  • kits comprising at least two separately formulated cosmetic compositions (V) and (F), wherein
  • the pretreatment agent (V) contains, as solvent, propylene carbonate and 2-phenoxy-ethane-1-ol,
  • the colorant (F) contains benzyl alcohol and 2-phenoxyethane-1-ol as solvent, and
  • the colorant (F) contains at least one substantive acid dye.
  • kits comprising at least two separately formulated cosmetic compositions (V) and (F), wherein
  • the pretreatment agent (V) contains benzyl alcohol and 2-phenoxyethane-1-ol as solvent,
  • the colorant (F) contains benzyl alcohol and 2-phenoxyethane-1-ol as solvent, and -
  • the colorant (F) contains at least one substantive acid dye.
  • a further preferred embodiment is therefore a method according to the invention, comprising the following steps in the order given
  • the pretreatment agent (V) contains propylene carbonate and benzyl alcohol
  • Weight ratio of propylene carbonate / benzyl alcohol is between 7.0 and 2.5
  • the colorant (F) contains benzyl alcohol and 2-phenoxyethane-1-ol, wherein the
  • Weight ratio of benzyl alcohol / 2-phenoxyethane-1-ol is between 6.5 and 2.5
  • the colorant (F) contains at least one substantive acid dye
  • steps A3) and B1) is a time interval of a maximum of 24 hours, preferably of a maximum of 12 hours, more preferably of a maximum of 6 hours and more preferably of a maximum of 30 minutes.
  • a further preferred embodiment is therefore a method according to the invention, comprising the following steps in the order given
  • the pretreatment agent (V) contains propylene carbonate and benzyl alcohol
  • Weight ratio of propylene carbonate / benzyl alcohol is at a value of 6.0 to 3.0
  • the colorant (F) contains benzyl alcohol and 2-phenoxyethane-1-ol, wherein the
  • Weight ratio of benzyl alcohol / 2-phenoxyethane-1-ol is between 6.0 and 3.0
  • the colorant (F) contains at least one substantive acid dye
  • steps A3) and B1) is a time interval of a maximum of 24 hours, preferably of a maximum of 12 hours, more preferably of a maximum of 6 hours and more preferably of a maximum of 30 minutes.
  • a further preferred embodiment is therefore a method according to the invention, comprising the following steps in the order given
  • the pretreatment agent (V) contains propylene carbonate and benzyl alcohol
  • Weight ratio of propylene carbonate / benzyl alcohol is at a value of 5.5 to 4.0
  • the colorant (F) contains benzyl alcohol and 2-phenoxyethane-1-ol, wherein the
  • Weight ratio of benzyl alcohol / 2-phenoxyethanol is between 5.5 and 4.0
  • the colorant (F) contains at least one substantive acid dye
  • steps A3) and B1) is a time interval of a maximum of 24 hours, preferably of a maximum of 12 hours, more preferably of a maximum of 6 hours and more preferably of a maximum of 30 minutes.
  • kits comprising at least two separately formulated cosmetic compositions (V) and (F), wherein
  • the pretreatment agent (V) contains propylene carbonate and benzyl alcohol
  • Weight ratio of propylene carbonate / benzyl alcohol is between 7.0 and 2.5
  • the colorant (F) contains benzyl alcohol and 2-phenoxyethane-1-ol, wherein the
  • Weight ratio of benzyl alcohol / 2-phenoxyethane-1-ol is between 6.5 and 2.5
  • the colorant (F) contains at least one substantive acid dye.
  • kits comprising at least two separately formulated cosmetic compositions (V) and (F), wherein
  • the pretreatment agent (V) contains propylene carbonate and benzyl alcohol
  • Weight ratio of propylene carbonate / benzyl alcohol is at a value of 6.0 to 3.0
  • the colorant (F) contains benzyl alcohol and 2-phenoxyethane-1-ol, wherein the
  • Weight ratio of benzyl alcohol / 2-phenoxyethane-1-ol is between 6.0 and 3.0
  • the colorant (F) contains at least one substantive acid dye.
  • kits comprising at least two separately formulated cosmetic compositions (V) and (F), wherein
  • the pretreatment agent (V) contains propylene carbonate and benzyl alcohol
  • Weight ratio of propylene carbonate / benzyl alcohol is between 5.5 and 4.0
  • the colorant (F) contains benzyl alcohol and 2-phenoxyethane-1-ol, wherein the
  • Weight ratio of benzyl alcohol / 2-phenoxyethane-1-ol is between 5.5 and 4.0
  • the colorant (F) contains at least one substantive acid dye.
  • the colorant (F) also contains the solvent (s) according to the invention in specific total amounts. Improvements in the fastness properties are clearly visible from a total amount of solvents according to the invention of 0.5 wt .-%. The fastness properties are further enhanced by increasing the total amount of solvent in the pretreatment agent (V), which has been shown to increase from quantities greater than 10% by weight application and dermatological disadvantages such as increased skin discoloration may occur.
  • the use of the solvents according to the invention in a total amount of 0.5 to 9.0 wt .-% is therefore suitable, preferably from 1, 5 to 7.5 wt .-%, more preferably 2.5 to 6.5 wt. -% and particularly preferred are 3.5 to 5.5 wt .-%.
  • the basis for calculating the total solvent quantity is the total weight of the colorant (F).
  • the pretreatment agent (V) one or more solvents in a total amount of 1, 0 to 15.0 wt .-%, preferably from 4.0 to 13.5 wt .-%, more preferably from 7.0 to 13.0 Wt .-% and particularly preferably from 8.0 to 12.0 wt .-% - based on the total weight of
  • Pre-treatment agent (V) - contains and
  • the colorant (F) one or more solvents in a total amount of 0.5 to 9.0% by weight, preferably from 1, 5 to 7.5 wt .-%, more preferably from 2.5 to 6.5 Wt .-% and particularly preferably from 3.5 to 5.5 wt .-% - based on the total weight of the colorant (F) - contains.
  • the pretreatment agent (V) one or more solvents in a total amount of 1, 0 to 15.0 wt .-%, preferably from 4.0 to 13.5 wt .-%, more preferably from 7.0 to 13.0 Wt .-% and particularly preferably from 8.0 to 12.0 wt .-% - based on the total weight of
  • Pre-treatment agent (V) - contains and
  • the colorant (F) one or more solvents in a total amount of 0.5 to 9.0% by weight, preferably from 1, 5 to 7.5 wt .-%, more preferably from 2.5 to 6.5 Wt .-% and particularly preferably from 3.5 to 5.5 wt .-% - based on the total weight of the colorant (F) - contains.
  • the pretreatment agent (V) one or more solvents in a total amount of 1, 0 to 15.0 wt .-%, preferably from 4.0 to 13.5 wt .-%, more preferably from 7.0 to 13.0 Wt .-% and particularly preferably from 8.0 to 12.0 wt .-% - based on the total weight of
  • Pre-treatment agent (V) - contains and
  • the colorant (F) one or more solvents in a total amount of 0.5 to 9.0% by weight, preferably from 1, 5 to 7.5 wt .-%, more preferably from 2.5 to 6.5 Wt .-% and particularly preferably from 3.5 to 5.5 wt .-% - based on the total weight of the colorant (F) - contains.
  • the colorant (F) comprises at least one substantive acid dye.
  • Direct dyes can be subdivided by their charge into cationic dyes (basic dyes), nonionic dyes and anionic dyes (also called acid dyes).
  • Acid dyes are understood to mean direct dyes having at least one carboxylic acid group (-COOH) and / or one sulfonic acid group (-SO3H).
  • acid dyes for example, one or more compounds from the following group can be selected: Acid Yellow 1 (D & C Yellow 7, Citronin A, Ext. D & C Yellow No. 7, Japan Yellow 403.CI 10316, COLIPA n ° B001), Acid Yellow 3 (COLIPA n °: C 54, D & C Yellow N a 10, Quinoline Yellow, E1 04, Food Yellow 13), Acid Yellow 9 (CI 13015), Acid Yellow 17 (CI 18965), Acid Yellow 23 (COLIPA n 0 C 29, Covacap Jaune W 1 100 (LCW), Sicovit Tartrazine 85 E 102 (BASF), Tartrazine, Food Yellow 4, Japan Yellow 4, FD & C Yellow No.
  • Acid Yellow 36 (CI 13065), Acid Yellow 121 (Cl 1 8690), Acid Orange 6 (Cl 14270), Acid Orange 7 (2-naphthol orange, Orange II, Cl 15510, D & C Orange 4, COLIPA n ° C01 5), Acid Orange 10 (Cl 16230, Orange G sodium salt ), Acid Orange 11 (Cl 45370), Acid Orange 15 (Cl 50120), Acid Orange 20 (Cl 14600), Acid Orange 24 (BROWN 1, CI 20170; KATSU201; nosodiumsalt; Brown No.201; RESORCIN BROWN; ACID ORANGE 24; Japan Brown 201; D & C Brown No.1), Acid Re d 14 (C.1.14720), Acid Red 18 (E124, Red 18; Cl 16255), Acid Red 27 (E 123, Cl 16185, C Red 46, Fast Red D, FD & C Red No.2, Food Red 9, Naphthol Red S), Acid Red 33 (Red 33, Fuchsia Red, D & C Red
  • Acid Red 184 (Cl 15685).
  • Acid Red 195 Acid Violet 43 (Jarocol Violet 43, Ext. D & C Violet n ° 2, Cl. 60730, COLIPA n ° C063), Acid Violet 49 (Cl 42640), Acid Violet 50 (Cl 50325), Acid Blue 1 (Patent Blue, CI 42045), Acid Blue 3 (Patent Blue V, CI 42051), Acid Blue 7 (CI 42080), Acid Blue 104 (CI 42735), Acid Blue 9 (E 133, Patent Blue AE, Amidoblue AE, Erioglaucine A, CI 42090, C l.
  • Food Blue 2 Acid Blue 2 (CI 62045), Acid Blue 74 (E 132, CI 73015), Acid Blue 80 (CI 61585), Acid Green 3 (CI 4208 5, Foodgreenl), Acid Green 5 (Cl 42095), Acid Green 9 (C.1.42100), Acid Green 22 (C.1.42170), Acid Green 25 (Cl 61570, Japan Green 201, D & C Green no. 5), Acid Green 50 (Brilliant Acid Green BS, C I.
  • Acid Brilliant Green BS E 142
  • Acid Black 1 Black n ° 401, Naphthalene Black 10B, Amido Black 10B, Cl 20 470, COLIPA n ° B15
  • Acid Black 52 (CI 1571 1)
  • Food Yellow 8 CI 14270
  • Food Blue 5 D & C Yellow 8
  • D & C Green 5 D & C Orange 10
  • D & C Orange 1 1, D & C Red 21, D & C Red 27, D & C Red 33, D & C Violet 2 and / or D & C Brown 1.
  • a particularly preferred method of the first subject of the invention is characterized in that the colorant (F) at least one substantive acid dye from the group Acid Yellow 1, Acid Yellow 3, Acid Yellow 9, Acid Yellow 17, Acid Yellow 23, Acid Yellow 36, Acid Acid Orange 6, Acid Orange 6, Acid Orange 10, Acid Orange 1, Acid Orange 15, Acid Orange 20, Acid Orange 24, Acid Red 14, Acid Red 18, Acid Red 27, Acid Red 33, Acid Red Acid Red 51, Acid Red 52, Acid Red 73, Acid Red 87, Acid Red 95, Acid Red 184, Acid Red 195, Acid Violet 43, Acid Violet 49, Acid Red 50, Acid Blue 1, Acid Blue 3, Acid Blue 7, Acid Blue 1 04, Acid Blue 9, Acid Blue 62, Acid Blue 74, Acid Blue 80, Acid Green 3, Acid Green 5, Acid Green 9, Acid Green 22, Acid Green 25, Acid Green 50, Acid D & C Orange 4, D & C Orange 5, D & C Orange 10, D & C Orange 1 1, D & C Red 21, D & C Red 27, D & C Red33, D & C Violet 2 and / or D & C Brown 1.
  • the colorant (F) at least one substantive
  • a very particularly preferred kit of the second subject of the invention is characterized in that the coloring agent (F) comprises at least one direct-acting acid dye selected from Acid Yellow 1, Acid Yellow 3, Acid Yellow 9, Acid Yellow 17, Acid Yellow 23, Acid Yellow 36, Acid Acid Orange 6, Acid Orange 6, Acid Orange 10, Acid Orange 1, Acid Orange 15, Acid Orange 20, Acid Orange 24, Acid Red 14, Acid Red 18, Acid Red 27, Acid Red 33, Acid Red Acid Red 51, Acid Red 52, Acid Red 73, Acid Red 87, Acid Red 95, Acid Red 184, Acid Red 195, Acid Violet 43, Acid Violet 49, Acid Red 50, Acid Blue 1, Acid Blue 3, Acid Blue 7, Acid Blue 1 04, Acid Blue 9, Acid Blue 62, Acid Blue 74, Acid Blue 80, Acid Green 3, Acid Green 5, Acid Green 9, Acid Green 22, Acid Green 25, Acid Green 50, Acid D & C Orange 4, D & C Orange 5, D & C Orange 10, D & C Orange 1 1, D & C Red 21, D & C Red 27, D & C Red 33, D & C Violet 2 and / or D & C Brown 1.
  • the coloring agent (F)
  • the colorant (F) at least one substantive acid dye from the group Acid Yellow 1, Acid Yellow 3, Acid Yellow 9, Acid Yellow 17, Acid Yellow 23, Acid Yellow 36, Acid Yellow 121, Acid Orange 6, Acid Orange 7, Acid Orange 1 0, Acid Orange 1 1, Acid Orange 15, Acid Orange 20, Acid Orange 24, Acid Red 14, Acid Red 18, Acid Red 27, Acid Red 33, Acid Red 35, Acid Red 51, Acid Red 52, Acid Red 73, Acid Red 87, Acid Red 95, Acid Red 184, Acid Red 195, Acid Violet 43, Acid Violet 49, Acid Violet 50 , Acid Blue 1, Acid Blue 3, Acid Blue 7, Acid Blue 104, Acid Blue 9, Acid Blue 62, Acid Blue 74, Acid Blue 80, Acid Green 3, Acid Green 5, Acid Green 9, Acid Green 22, Acid Green 25, Acid Green 50, Acid Black 1, Acid Black 52, Food Yellow 8, Food Blue 5, D & C Yellow 7, D & C Yellow 8, D & C Orange 4, D & C Green 5, D & C Orange 10, D & C Orange
  • Pretreatment agent (V) has a particularly pronounced effect, i.
  • the gray coverage and the washing resistance can be greatly improved if the application of the previous agents according to the invention takes place before the application of the colorant (F).
  • a further very particularly preferred method according to the invention and a very particularly preferred kit according to the invention are therefore characterized in that the colorant (F) comprises at least one of the following combination of substantive acid dyes: Acid Yellow 1 / Acid Orange 7; Acid Yellow 3 / Acid Orange 7; Acid Yellow 9 / Acid Orange 7; Acid Yellow 1 II Acid Orange 7; Acid Yellow 23 / Acid Orange 7; Acid Yellow 36 / Acid Orange 7; Acid Yellow 121 / Acid Orange 7; Acid Red 14 / Acid Orange 7; Acid Red 18 / Acid Orange 7; Acid Red 27 / Acid Orange 7; Acid Red 33 / Acid Orange 7; Acid Red 35 / Acid Orange 7; Acid Red 51 / Acid Orange 7; Acid Red 52 / Acid Orange 7; Acid Red 73 / Acid Orange 7; Acid Red 87 / Acid Orange 7; Acid Red 95 / Acid Orange 7; Acid Red 184 / Acid Orange 7; Acid Red 195 / Acid Orange 7; Acid Violet 43 / Acid Orange 7; Acid Violet 49 / Acid Orange 7 or Acid Violet 50 / Acid Orange 7.
  • a particularly preferred method of the first subject of the invention is characterized in that the colorant (F) contains at least one of the following combination of substantive acid dyes: Acid Yellow 1 / Acid Orange 7; Acid Yellow 3 / Acid Orange 7; Acid Yellow 9 / Acid Orange 7; Acid Yellow 11I Acid Orange 7; Acid Yellow 23 / Acid Orange 7; Acid Yellow 36 / Acid Orange 7; Acid Yellow 121 / Acid Orange 7; Acid Red 14 / Acid Orange 7; Acid Red 18 / Acid Orange 7; Acid Red 27 / Acid Orange 7; Acid Red 33 / Acid Orange 7; Acid Red 35 / Acid Orange 7; Acid Red 51 / Acid Orange 7; Acid Red 52 / Acid Orange 7; Acid Red 73 / Acid Orange 7; Acid Red 87 / Acid Orange 7; Acid Red 95 / Acid Orange 7; Acid Red 184 / Acid Orange 7; Acid Red 195 / Acid Orange 7; Acid Violet 43 / Acid Orange 7; Acid Violet 49 / Acid Orange 7 or Acid Violet 50 / Acid Orange 7.
  • a very particularly preferred kit of the second subject of the invention is characterized in that the coloring agent (F) comprises at least one of the following combinations
  • Acid Yellow 1 / Acid Orange 7 contains: Acid Yellow 1 / Acid Orange 7; Acid Yellow 3 / Acid Orange 7; Acid Yellow 9 / Acid Orange 7; Acid Yellow 11I Acid Orange 7; Acid Yellow 23 / Acid Orange 7; Acid Yellow 36 / Acid Orange 7; Acid Yellow 121 / Acid Orange 7; Acid Red 14 / Acid Orange 7; Acid Red 18 / Acid Orange 7; Acid Red 27 / Acid Orange 7; Acid Red 33 / Acid Orange 7; Acid Red 35 / Acid Orange 7; Acid Red 51 / Acid Orange 7; Acid Red 52 / Acid Orange 7; Acid Red 73 / Acid Orange 7; Acid Red 87 / Acid Orange 7; Acid Red 95 / Acid Orange 7; Acid Red 184 / Acid Orange 7; Acid Red 195 / Acid Orange 7; Acid Violet 43 / Acid Orange 7; Acid Violet 49 / Acid Orange 7 or Acid Violet 50 / Acid Orange 7.
  • the acid dye or dyes may preferably be used in a total amount of from 0.01 to 5.5% by weight, preferably from 0.08 to 4.7% by weight, more preferably from 0.2 to 3.4% by weight. % and more preferably from 0.3 to 1, 8 wt .-% in the colorant.
  • the basis for calculating the total amount of acid dyes is the total weight of the colorant (F).
  • a process of the first subject of the invention or a kit of the second subject of the invention is therefore particularly preferred, characterized in that the coloring agent (F) contains the substantive acid dye (s) in a total amount of from 0.01 to 5.5% by weight, preferably from 0 , From 08 to 4.7% by weight, more preferably from 0.2 to 3.4% by weight and particularly preferably from 0.3 to 1.8% by weight, based on the total weight of the colorant (F) - contains.
  • a process of the first subject of the invention characterized in that the colorant (F) or the substantive acid dyes in a total amount of 0.01 to 5.5 wt .-%, preferably from 0.08 to 4.7 wt .-%, more preferably from 0.2 to 3.4 wt .-% and particularly preferably from 0.3 to 1, 8 wt .-% - based on the total weight of the colorant (F) - contains.
  • a kit of the second subject of the invention is therefore particularly preferred, characterized in that the colorant (F) contains the substantive acid dye (s) in a total amount of from 0.01 to 5.5% by weight, preferably from 0.08 to 4.7 Wt .-%, more preferably from 0.2 to 3.4 wt .-% and particularly preferably from 0.3 to 1, 8 wt .-% - based on the total weight of the colorant (F) - contains.
  • the inventive methods and multi-component packaging units are intended for use on different hair types, in particular also for use on strongly curled hair, such as African hair, own.
  • the pretreatment agent (V) should also be suitable as a smoothing agent.
  • the pretreatment agent (V) is also to function as a smoothing agent, it preferably contains either a hydroxide-based base and / or a reducing agent.
  • a further very particularly preferred method according to the invention and a very particularly preferred kit according to the invention are in this case characterized in that the pretreatment agent (V) additionally
  • At least one alkalizing agent selected from the group of sodium hydroxide, potassium hydroxide,
  • - Contains at least one reducing agent from the group of thiolactic acid, thioglycolic acid, cysteine and / or their physiologically acceptable salts.
  • the keratin fibers can be smoothed and dyed with the appropriate procedure.
  • the pretreatment agent (V) contains at least one solvent from the group consisting of benzyl alcohol, 2-phenoxyethane-1-ol and / or propylene carbonate, -
  • the pretreatment agent (V) at least one alkalizing agent selected from the group consisting of sodium hydroxide, potassium hydroxide, lithium hydroxide, magnesium hydroxide, calcium hydroxide and / or guanidinium hydroxide, and
  • the colorant (F) contains at least one substantive acid dye.
  • kits comprising at least two separately formulated cosmetic compositions (V) and (F), wherein
  • the pretreatment agent (V) contains at least one solvent from the group consisting of benzyl alcohol, 2-phenoxyethane-1-ol and / or propylene carbonate,
  • the pretreatment agent (V) at least one alkalizing agent from the group
  • the colorant (F) contains at least one substantive acid dye.
  • the pretreatment agent (V) contains at least one solvent from the group consisting of benzyl alcohol, 2-phenoxyethane-1-ol and / or propylene carbonate,
  • the pretreatment agent (V) at least one reducing agent selected from the group of thiolactic acid, thioglycolic acid, cysteine and / or their physiologically acceptable salts.
  • the colorant (F) contains at least one substantive acid dye.
  • a multi-component packaging unit comprising at least two separately prepared means (V) and (F), wherein
  • the pretreatment agent (V) contains at least one solvent from the group consisting of benzyl alcohol, 2-phenoxyethane-1-ol and / or propylene carbonate,
  • the pretreatment agent (V) contains at least one reducing agent from the group of thiolactic acid, thioglycolic acid, cysteine and / or their physiologically acceptable salts,
  • the colorant (F) as the oxidizing agent contains hydrogen peroxide and
  • the colorant (F) contains at least one substantive acid dye.
  • Thiolactic acid is understood as meaning D-thio-lactic acid, L-thio-lactic acid and / or a mixture thereof.
  • Cysteine is understood as meaning D-cysteine, L-cysteine and / or a mixture thereof.
  • Ammonium thioglycolate is the ammonium salt of thiglycolic acid (ie the ammonium salt of sulfanylacetic acid) (Formula I) (Formula I)
  • Ammonium thiolactate is the ammonium salt of thiolactic acid (ie, the ammonium salt of 2-sulfanylpropionic acid) (Formula II).
  • ammonium thiolactate are both the ammonium salts of the D and
  • the pretreatment agent (V) contains at least one reducing agent of the above-mentioned group
  • a further step is carried out, in which the keratin fibers are treated with an oxidizing agent in a step A2).
  • the keratin fibers are first smoothened with a pretreatment agent (V) in the reductive process, then the keratin fibers are fixed by using an oxidizing agent and then dyed by using an acid dye.
  • a method for smoothing and dyeing keratinic fibers comprising the following steps in the order given
  • the pretreatment agent (V) contains at least one solvent from the group consisting of benzyl alcohol, 2-phenoxyethane-1-ol and / or propylene carbonate,
  • the pretreatment agent (V) contains at least one reducing agent from the group of thiolactic acid, thioglycolic acid, cysteine and / or their physiologically acceptable salts,
  • the oxidizing agent (O) contains hydrogen peroxide
  • the colorant (F) contains at least one substantive acid dye.
  • the pretreatment agent (V) is also to be used as a smoothing agent and contains at least one reducing agent, it is more time-saving and convenient for the consumer to perform the fixing step (i.e., the use of an oxidizing agent) together with the
  • this embodiment is preferred.
  • Colorant (F) additionally contains hydrogen peroxide as the oxidizing agent.
  • a method for smoothing and dyeing keratinic fibers comprising the following steps in the order given A) treating the fibers with a pretreatment agent (V),
  • the pretreatment agent (V) contains at least one solvent from the group consisting of benzyl alcohol, 2-phenoxyethane-1-ol and / or propylene carbonate,
  • the pretreatment agent (V) contains at least one reducing agent from the group of thiolactic acid, thioglycolic acid, cysteine and / or their physiologically acceptable salts,
  • the colorant (F) as the oxidizing agent contains hydrogen peroxide and
  • the colorant (F) contains at least one substantive acid dye.
  • kits comprising at least two separately formulated cosmetic compositions (V) and (F), wherein
  • the pretreatment agent (V) contains at least one solvent from the group consisting of benzyl alcohol, 2-phenoxyethane-1-ol and / or propylene carbonate,
  • the pretreatment agent (V) contains at least one reducing agent from the group of thiolactic acid, thioglycolic acid, cysteine and / or their physiologically acceptable salts,
  • the colorant (F) as the oxidizing agent contains hydrogen peroxide and
  • the colorant (F) contains at least one substantive acid dye.
  • the pretreatment agent (V) and the colorant (F) are preferably adjusted to their optimum pH values.
  • the pretreatment agent (V) is preferably alkaline, and the colorant (F) is preferably made acidic.
  • the pretreatment agent (V) has a pH of from 8.5 to 13.4, preferably from 9.5 to 13.3, more preferably from 10.5 to 13, 2 and particularly preferably from 1 1 to 5 to 13, 0 owns and
  • the colorant (F) has a pH of 1, 5 to 6.0, preferably from 1, 6 to 5.2, more preferably from 1, 7 to 4.0 and particularly preferably from 1, 8 to 2.5 has.
  • the colorant (F) is preferably adjusted to a relatively strong acidic pH. If the colorant (F) has a pH of from 1.5 to 6.0, preferably from 1.6 to 5.2, more preferably from 1.7 to 4.0 and particularly preferably from 1.8 to 2.5 , so on the one hand, the damage to the hair fibers is reduced, but in addition also the dyeing power reinforced, and improves the gray coverage and wash fastness.
  • the colorant (F) contains at least one substantive acid dye.
  • the pH can thus be adjusted by adding the acid dye (which in this case is not in the form of one of its salts).
  • the acid dye which in this case is not in the form of one of its salts.
  • Suitable acids which can be used in the agents (V) and (F) are, for example, inorganic acids such as hydrochloric acid, sulfuric acid and / or
  • Acetic acid, lactic acid, citric acid, tartaric acid or malic acid are used.
  • the low-odor organic acids such as
  • Lactic acid, citric acid, tartaric acid and / or malic acid Lactic acid, citric acid, tartaric acid and / or malic acid.
  • the alkalizing agents which can be used according to the invention for adjusting the preferred pH values can be selected from the group consisting of ammonia, alkanolamines, basic amino acids and inorganic alkalizing agents such as (earth) alkali metal hydroxides, (earth) alkali metal metasilicates, (alkaline) alkaline metal phosphates and (Alkaline) alkali metal hydrogen phosphates.
  • Preferred inorganic alkalizing agents are sodium hydroxide, potassium hydroxide, sodium silicate and sodium metasilicate.
  • Organic alkalizing agents which can be used according to the invention are preferably selected from monoethanolamine, 2-amino-2-methylpropanol and triethanolamine.
  • the basic amino acids which can be used as alkalizing agents according to the invention are preferably selected from the group formed from arginine, lysine, ornithine and histidine, more preferably arginine.
  • further preferred agents according to the invention are characterized in that they additionally contain an organic alkalizing agent.
  • An embodiment of the first subject of the invention is characterized in that the agent additionally contains at least one alkalizing agent which is selected from the group consisting of ammonia, alkanolamines and basic amino acids, in particular ammonia, monoethanolamine and arginine or its compatible salts.
  • the measurement of the pH can be carried out, for example, with a glass electrode, which is usually designed in the form of a combination electrode.
  • the pH values of the present invention are pH values measured at a temperature of 22 ° C.
  • a further particularly preferred method according to the invention and a particularly preferred kit according to the invention are therefore characterized in that the pretreatment agent (V) comprises one or more reducing agents from the group of thiolactic acid, thioglycolic acid, cysteine and / or their physiologically tolerable salts in a total amount of from 2.0 to 15.0% by weight, preferably from 6.0 to 14.5% by weight, more preferably from 8.0 to 14.0% by weight and particularly preferably from 10.0 to 13.5% by weight % - based on the total weight of the pretreatment agent (V) - contains.
  • the pretreatment agent (V) comprises one or more reducing agents from the group of thiolactic acid, thioglycolic acid, cysteine and / or their physiologically tolerable salts in a total amount of from 2.0 to 15.0% by weight, preferably from 6.0 to 14.5% by weight, more preferably from 8.0 to 14.0% by weight and particularly preferably from 10.0 to 13.5% by weight % - based on the total weight of the pre
  • the optionally used in the process or kit oxidizing agent (O) contains in a cosmetic carrier hydrogen peroxide.
  • hydrogen peroxide itself is used as an aqueous solution in the oxidizing agent (O).
  • concentration of a hydrogen peroxide solution is on the one hand by the legal requirements and
  • Oxidizing agents (O) preferred according to the invention are characterized in that they contain 5 to 20% by weight, preferably 1 to 12.5% by weight, particularly preferably 2.5 to 10% by weight and in particular 3 to 6% by weight .-% hydrogen peroxide, each based on the total weight of the oxidizing agent (O) included.
  • the pretreatment agent (V) and the colorant (F) may further comprise additional active ingredients, auxiliaries and additives in order to improve the dyeing performance and to adjust further desired properties of the agents.
  • the agents are provided as a liquid preparation and the agents therefore optionally additionally an additional surfactant added, said surfactants depending on the field of application as surfactants or as emulsifiers: They are preferably selected from anionic, zwitterionic, amphoteric and nonionic surfactants and emulsifiers ,
  • Agents (V) and / or (F) suitable according to the invention are characterized in that the agent additionally contains at least one anionic surfactant.
  • Preferred anionic surfactants are fatty acids, alkyl sulfates, alkyl ether sulfates and ether carboxylic acids having 1 0 to 20 C atoms in the alkyl group and up to 16 glycol ether groups in the molecule.
  • the anionic surfactants are used in proportions of from 0.1 to 45% by weight, preferably from 1 to 30% by weight and very particularly preferably from 1 to 15% by weight, based on the total amount of the agent (V) and / or (F ).
  • Agents suitable according to the invention are characterized in that the agent additionally contains at least one zwitterionic surfactant.
  • Preferred zwitterionic surfactants are betaines, N-alkyl-N, N-dimethylammonium glycinates, N-acyl-aminopropyl-N, N-dimethylammonium glycinates, and 2-alkyl-3-carboxymethyl-3-hydroxyethyl-imidazolines.
  • a preferred zwitterionic surfactant is known by the INCI name Cocamidopropyl Betaine.
  • Agents suitable according to the invention are characterized in that the agent additionally contains at least one amphoteric surfactant.
  • Preferred amphoteric surfactants are N-alkylglycines, N-alkylpropionic acids, N-alkylaminobutyric acids, N-alkyliminodipropionic acids, N-hydroxyethyl-N-alkylamidopropylglycines, N-alkyltaurines, N-alkylsarcosines, 2-alkylaminopropionic acids and alkylaminoacetic acids.
  • Particularly preferred amphoteric surfactants are N-cocoalkylaminopropionate, cocoacylaminoethylaminopropionate and C 12 -C 18 -acylsarcosine.
  • the agents contain other, nonionic surfactants.
  • Preferred nonionic surfactants are alkyl polyglycosides and alkylene oxide adducts of fatty alcohols and fatty acids with in each case 2 to 30 moles of ethylene oxide per mole of fatty alcohol or fatty acid. Preparations having excellent properties are also obtained if they contain fatty acid esters of ethoxylated glycerol as nonionic surfactants.
  • the nonionic, zwitterionic or amphoteric surfactants are used in proportions of from 0.1 to 45% by weight, preferably from 1 to 30% by weight and very particularly preferably from 1 to 15% by weight, based on the total amount of agent (V) and / or (F).
  • the agents contain at least one thickener.
  • thickeners are anionic, synthetic polymers; cationic synthetic polymers; naturally occurring thickeners, such as nonionic guar gums, scleroglucan gums or xanthan gums, gum arabic, ghatti gum, karaya gum, gum tragacanth, carrageenan gum, agar, locust bean gum, pectins, alginates, starch fractions and derivatives such as amylose, amylopectin and dextrins, as well as cellulose derivatives such as Methylcellulose, carboxyalkylcelluloses and hydroxyalkylcelluloses; nonionic, fully synthetic polymers, such as polyvinyl alcohol or polyvinylpyrrolidinone; and inorganic thickening agents, in particular phyllosilicates such
  • the agents (V) and / or (F) may also contain anionic polymeric thickeners.
  • Suitable compounds are selected, for example, from the crosslinked or uncrosslinked copolymers containing at least two different monomers from the group of acrylic acid, methacrylic acid, the C 1 -C 6 -alkyl esters of acrylic acid and / or the C 1 -C 6 -alkyl esters of
  • Particularly preferred anionic copolymers are copolymers of acrylic acid, methacrylic acid or their C 1 -C 6 -alkyl esters, which are known by the INCI name
  • agents (V) and / or (F) one or more polymers from the group
  • Processes and kits preferred according to the invention are also characterized in that the pretreatment agent (V) and / or the colorant (F) contains one or more cationic surfactants.
  • cationic surfactants it is possible according to the invention to use all cationic surfactants known and customary to the person skilled in the art. Which includes:
  • Quaternary imidazoline compound The following formula Quimi-I shows the structure of these compounds.
  • the radicals R are each independently a saturated or unsaturated, linear or branched hydrocarbon radical having a chain length of 8 to 30
  • the preferred compounds of the formula I each contain the same hydrocarbon radical for R.
  • the chain length of the radicals R is preferably 12 to 21 carbon atoms. Examples according to the invention are available, for example, under the INCII names Quaternium-27, Quaternium-72, Quaternium-83 and Quaternium-91.
  • R here stands for a substituted or unsubstituted, branched or straight-chain alkyl or alkenyl radical having 1 to 35 carbon atoms in the chain, X is -O- or -NR 5 -,
  • R 1 represents an alkylene group having 2 to 6 C atoms, which may be unsubstituted or substituted, in which case substitution with an -OH or -NH group is preferred in the case of a substitution,
  • R 2 , R 3 each independently represent an alkyl or hydroxyalkyl group having 1 to 6 C atoms in the chain, which chain may be straight or branched.
  • R5 is hydrogen or a C1 to C6 straight or branched alkyl or
  • Alkenyl radical which may also be substituted by a hydroxy group.
  • the compounds are preferably one of the following
  • Esterquats be used according to the formula (Tkat1 -2).
  • radicals R1, R2 and R3 are each independently and may be the same or different.
  • the radicals R1, R2 and R3 mean:
  • aryl or alkaryl radical for example phenyl or benzyl
  • the remainder - (A - R4) is contained at least 1 to 3 times.
  • n 1 to 200, preferably 1 to 100, particularly preferably 1 to 50, and particularly preferably 1 to 20 with R 5 in the meaning of hydrogen, methyl or ethyl, and
  • R4 stands for:
  • R6-0-CO- wherein R6 is a saturated or unsaturated, branched or unbranched or cyclic saturated or unsaturated alkyl radical having 6 to 30 carbon atoms, which may contain at least one hydroxy group, and which optionally further with 1 to 100 ethylene oxide units and or 1 to 1 00 propylene oxide units can be ethoxylated, or
  • R7-CO- wherein R7 is a saturated or unsaturated, branched or
  • cyclic saturated or unsaturated alkyl radical having 6 to 30 carbon atoms, which may contain at least one hydroxy group, and which may optionally be further ethoxylated with 1 to 100 ethylene oxide units and / or 1 to 1 00 propylene oxide units, and
  • Q stands for a physiologically compatible organic or inorganic anion.
  • Such products are marketed under the trademarks Rewoquat ®, Stepantex® ®, ® and Dehyquart® Armocare® ®.
  • Tkat1 -2 Further compounds of the formula (Tkat1 -2) which are particularly preferred according to the invention include the formula (Tkat1 -2.1), the cationic betaine esters. (Tkatl -2.1)
  • R8 corresponds in its meaning R7.
  • Monoalkyltrimethylammonium salts having a chain length of the alkyl radical of 16 to 24 carbon atoms corresponding to the formula (Tkat1 -1), R1
  • R 1, R 2 and R 3 are each a methyl group and R 4 is a saturated, branched or unbranched alkyl radical having a chain length of 16 to 24
  • Cetyltrimethylammonium chloride cetyltrimethylammonium bromide
  • Amines and / or cationized amines in particular an amidoamine and / or a cationized
  • R 1 is an acyl or alkyl radical having 6 to 30 C atoms, which may be branched or unbranched, saturated or unsaturated, and wherein the acyl radical and / or the alkyl radical may contain at least one OH group, and
  • R 2, R 3 and R 4 are each independently of one another hydrogen or an alkyl radical having 1 to 4 C atoms, which may be identical or different, saturated or unsaturated, and
  • n is an integer between 1 and 10.
  • R1 is a branched or unbranched, saturated or unsaturated acyl radical with 6 to 30 carbon atoms, which may contain at least one OH group means.
  • amidoamines and / or quaternized amidoamines in which R2, R3 and / or R4 in formulas (Tkat7) and / or (Tkat8) represent a radical according to the general formula CH2CH2OR5, wherein R5 has the meaning of
  • Alkyl radicals having 1 to 4 carbon atoms, hydroxyethyl or hydrogen may have.
  • the preferred size of n in the general formulas (Tkat7) and / or (Tkat8) is an integer between 2 and 5.
  • Further preferred are amidoamines and / or quaternized amidoamines of the general formulas (Tkat7) and / or (Tkat8), in wherein the anion X "is a halide ion or a compound of the general formula RSO3 " , wherein R has the meaning of saturated or unsaturated alkyl radicals having 1 to 4 carbon atoms.
  • the alkyl radical having 1 to 4 carbon atoms of R 2, R 3 and R 4 and / or the alkyl radical having 1 to 4 Carbon atoms of RSO3 " in the general formula (Tkat7) and / or (Tkat8) may contain at least one hydroxyl group
  • the alkylamidoamines may be present both as such and by protonation in a correspondingly acidic solution in a quaternary
  • the cationic alkylamidoamines are preferred.
  • amidoamines to be used according to the invention are, for example, amidoamines: Witcamine® 100 (Witco, INCI name: cocamidopropyl dimethylamine), Incromine® BB (Croda, INCI name: behenamidopropyl dimethylamine), Mackine® 401 (Mclntyre, INCI name:
  • the anion of all of the previously described cationic compounds is selected from the physiologically acceptable anions.
  • these are the halide ions, fluoride, chloride, bromide, sulfate of the general formula RSO3 " , wherein R has the meaning of saturated or unsaturated alkyl radicals having 1 to 4 carbon atoms, or anionic radicals of organic acids such as maleate, fumarate, oxalate, tartrate, citrate , Lactate or acetate, called.
  • the aforementioned cationic surfactants can be used individually or in any combination with each other, wherein amounts between 0.01 to 20 wt.%, Preferably in amounts of 0.01 to 10 wt.% And most preferably in amounts of 0.1 to 7.5% by weight. The very best results are obtained with amounts of from 0.1 to 5% by weight, based in each case on the total composition of the particular agent.
  • the surfactants (T) are in a total amount of the surfactants in amounts of 0.05 to 45 wt.%, Preferably 0.1 to 30 wt.% And most preferably from 0.5 to 25 wt.%, Based on the total used according to the invention.
  • the cationic surfactants are used in amounts of from 0.1 to 45% by weight, preferably from 1 to 30% by weight and very particularly preferably from 1 to 15% by weight, based in each case on the total amount of the composition (ie to the total amount of the Pre-treatment agent (V) or on the total amount of the colorant (F)).
  • the agents according to the invention may contain further active ingredients, auxiliaries and additives, for example nonionic polymers, for example vinylpyrrolidinone / vinyl acrylate copolymers, polyvinylpyrrolidinone, vinylpyrrolidinone / vinyl acetate copolymers, polyethylene glycols and polysiloxanes; additional silicones, such as volatile or nonvolatile, straight-chain, branched or cyclic, crosslinked or uncrosslinked polyalkylsiloxanes (such as dimethicones or cyclomethicones), polyarylsiloxanes and / or polyalkylarylsiloxanes, especially polysiloxanes with organofunctional groups, such as substituted or unsubstituted amines (amodimethicones), carboxyl, Alkoxy and / or hydroxyl groups (dimethicone copolyols), linear polysiloxane A) polyoxyalkylene B) block copolymers, grafty
  • compositions according to the invention are preferably used in amounts of from 0.0001 to 25% by weight, in particular from 0.0005 to 15% by weight, based on the total weight of the respective compositions.
  • Subject of the invention are very well suited for the low-damage dyeing keratin fibers, wherein the color intensity, the wash fastness and the gray coverage of the dyeings can be improved.
  • Another object of the present invention is therefore the use of a multi-component packaging unit (a kit) of the second subject of the invention for obtaining dyeings having improved fastness to washing.
  • Another object of the present invention is therefore the use of a multi-component packaging unit (a kit) of the second subject of the invention for obtaining colorations having improved color intensity.
  • a further subject of the present invention is therefore the use of a multi-component packaging unit (a kit) of the second subject of the invention to obtain dyeings with improved gray coverage.
  • a further subject of the present invention is a multi-component packaging unit (kit) according to the second subject of the invention
  • Dehyton AB 30 (cocobeatin, 29 - 33% aqueous solution) 2.00
  • Eumulgin L (INCI: PPG-1 -PEG-9 LAURYL GLYCOL ETHER) 1, 00
  • the pretreatment agent (V) was applied to strands of hair (Kerling 6-0), where it was left for 40 minutes and then washed out. Then the colorant (F) was applied to strands of hair, allowed to act for 40 minutes and then washed out. It was obtained an intense, orange-red color with good fastness properties.

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Abstract

L'invention concerne un procédé pour colorer des fibres kératiniques comprenant les étapes suivantes dans l'ordre indiqué : A) traiter les fibres avec un agent de prétraitement (V), B) traiter les fibres avec un colorant (F), l'agent de prétraitement (V) contenant au moins un solvant du groupe comprenant l'alcool benzylique, ainsi que du 2-phénoxyéthane-1-ole et/ou du carbonate de propylène, et le colorant (F) contenant au moins un colorant acide direct. L'invention concerne en outre une unité de conditionnement (kit) à plusieurs composants, contenant un agent de prétraitement (V) et un colorant (F).
PCT/DE2014/200595 2013-12-12 2014-10-28 Procédé et kit pour colorer les cheveux avec une couverture des cheveux blancs et une résistance au lavage améliorées WO2015086002A1 (fr)

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DE102013225786.4A DE102013225786A1 (de) 2013-12-12 2013-12-12 Verfahren und Kit zum Färben von Haaren mit verbesserter Grauabdeckung und verbesserter Waschbeständigkeit
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015198923A1 (fr) * 2014-06-24 2015-12-30 L'oreal Composition pour fibres de kératine
US10147193B2 (en) 2017-03-10 2018-12-04 TuSimple System and method for semantic segmentation using hybrid dilated convolution (HDC)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102023203839A1 (de) 2023-04-26 2024-10-31 Henkel Ag & Co. Kgaa Verfahren zum Färben von Keratinfasern umfassend die Anwendung eines alkalischen Vorbehandlungsmittels und die Anwendung eines Färbemittels mit Chitosan und farbgebender Verbindung
DE102023203835A1 (de) 2023-04-26 2024-10-31 Henkel Ag & Co. Kgaa Verfahren zum Färben von Keratinfasern umfassend die Anwendung eines oxidativen Vorbehandlungsmittels und eines Färbemittels mit Chitosan und Pigment

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Publication number Priority date Publication date Assignee Title
DE4221881A1 (de) * 1992-07-03 1994-01-05 Goldwell Ag Mittel zur dauerhaften Verformung von menschlichen Haaren
EP0962216A1 (fr) * 1998-05-26 1999-12-08 Kao Corporation Composition de teinture de cheveux
EP2020252A1 (fr) * 2007-07-30 2009-02-04 KPSS-Kao Professional Salon Services GmbH Procédé pour colorer et mettre en forme permanente des fibres de kératine
WO2013011116A2 (fr) * 2011-07-21 2013-01-24 L'oreal Procédé de coloration utilisant un colorant naturel sur des fibres de kératine qui ont subi une permanente
WO2013098335A2 (fr) 2011-12-30 2013-07-04 L'oreal Procédé de modification de l'apparence de cheveux utilisant une composition contenant des colorants et des bases non-hydroxydes

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
DE4221881A1 (de) * 1992-07-03 1994-01-05 Goldwell Ag Mittel zur dauerhaften Verformung von menschlichen Haaren
EP0962216A1 (fr) * 1998-05-26 1999-12-08 Kao Corporation Composition de teinture de cheveux
EP2020252A1 (fr) * 2007-07-30 2009-02-04 KPSS-Kao Professional Salon Services GmbH Procédé pour colorer et mettre en forme permanente des fibres de kératine
WO2013011116A2 (fr) * 2011-07-21 2013-01-24 L'oreal Procédé de coloration utilisant un colorant naturel sur des fibres de kératine qui ont subi une permanente
WO2013098335A2 (fr) 2011-12-30 2013-07-04 L'oreal Procédé de modification de l'apparence de cheveux utilisant une composition contenant des colorants et des bases non-hydroxydes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015198923A1 (fr) * 2014-06-24 2015-12-30 L'oreal Composition pour fibres de kératine
US10147193B2 (en) 2017-03-10 2018-12-04 TuSimple System and method for semantic segmentation using hybrid dilated convolution (HDC)

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