WO2017102854A1 - Procédé de traitement cosmétique des fibres kératiniques au moyen de deux alcoxysilanes spécifiques et d'une étape de chauffage - Google Patents

Procédé de traitement cosmétique des fibres kératiniques au moyen de deux alcoxysilanes spécifiques et d'une étape de chauffage Download PDF

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WO2017102854A1
WO2017102854A1 PCT/EP2016/081022 EP2016081022W WO2017102854A1 WO 2017102854 A1 WO2017102854 A1 WO 2017102854A1 EP 2016081022 W EP2016081022 W EP 2016081022W WO 2017102854 A1 WO2017102854 A1 WO 2017102854A1
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process according
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weight
composition
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PCT/EP2016/081022
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Julien CABOURG
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L'oreal
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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
    • A61K8/58—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing atoms other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur or phosphorus
    • A61K8/585—Organosilicon compounds
    • 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
    • A61Q5/02—Preparations for cleaning 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
    • A61Q5/12—Preparations containing hair conditioners
    • 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
    • A61K2800/59—Mixtures
    • A61K2800/592—Mixtures of compounds complementing their respective functions
    • A61K2800/5922—At least two compounds being classified in the same subclass of A61K8/18
    • 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 invention relates to a process for cosmetic treatment of keratin fibres, preferably human keratin fibres, comprising the application of a combination of specific alkoxysilanes and a step of heating said fibres. It also relates to the use thereof for shaping and conditioning keratin fibres.
  • the use of heating tools is a very important means which makes it possible at the same time not to keep the hair wet and to impose thereon a manageability, or even specific shapes by virtue of appropriate brushes, which are round or flat, via blow drying with a hairdryer, or else by virtue of curling, crimping or straightening irons.
  • the use of heat generally follows the application of products that can be rinsed off, such as treating shampoo, conditioner or mask formulas, or left on, such as formulas of oil, serum and lotion type.
  • these products and heat treatments are expected to be able to impose a long-lasting shape on the head of hair, with, in particular, protection against moisture, and thus to avoid loss of the shaping and the formation of frizziness.
  • these properties could be maintained even after one and even several exposures of the hair to water, and to the surfactants present in shampoos and conditioners.
  • these products are expected to provide, where appropriate, protection of the head of hair against heat, and also care and mechanical reinforcement, which are long lasting, at least up until the next shampooing operation, and if possible for several shampooing operations.
  • silicones may be high- or low-molecular- weight polydimethylsiloxanes, optionally bearing functional groups such as amines, ammoniums, polyols, ureas or polyethers.
  • These silicones are generally formulated in emulsions, milks or creams or in silicone oils, mainly volatile silicone oils such as cyclopentasiloxane, which are used in leave-on mode.
  • One of the advantages obtained is easy disentangling and effective glidance of brushes or irons along the hair.
  • the long-lasting shaping results remain however insufficient, or else are associated with a greasy, tacky, or even sticky feel to the hair, in particular if products are superimposed.
  • Much more drastic systems can also be used in combination with heat, such as formol, glyoxylic acid and its derivatives, or else thiol-comprising techniques derived from permanent-waving systems. These systems are based on modifications of the interior of the fibre and cannot be used for daily maintenance or styling, in particular for reasons of practicality, of compatibility with the other customary hair treatments, of the risk of irritability or even of toxicity and of care with use.
  • alkoxysilanes Another alternative to the use of silicones for hair styling and care treatments has been constituted of the use of other silicon derivatives: alkoxysilanes.
  • alkoxysilane(s) comprising an amino group alone or in combination with a silicone or another alkoxysilane comprising a group of fatty chain type, with or without heat, is described in documents FR 2 783 164, FR 2 910 275 and FR 2 966 356.
  • Document JP 2007-099693 describes the application of a silanol derivative to hair, followed by a step of occlusive drying in order to increase the stiffness of the hair.
  • a subject of the invention is thus a process for cosmetic treatment of keratin fibres, in particular human keratin fibres, and more particularly the hair, comprising: - the application:
  • Ri is a linear or branched, saturated or unsaturated, cyclic or acyclic Ci-C 6 hydrocarbon-based chain substituted with one or more group(s) chosen from the following groups:
  • R being:
  • Ci-C 2 o alkyl group preferably a Ci-C 6 alkyl group, optionally substituted with a group comprising a silicon atom, o a C 3 -C 4 o cycloalkyl group or
  • Ri possibly being interrupted with a heteroatom such as O, S or NH, or a carbonyl group (CO),
  • R 2 and R 3 which are identical or different, represent a linear or branched alkyl group comprising from 1 to 6 carbon atoms, y denotes an integer ranging from 0 to 3,
  • z denotes an integer ranging from 0 to 3
  • x denotes an integer ranging from 0 to 2
  • R 4 and R 5 each represent, independently of one another, a Ci_ 6 , better still
  • Ci_4 alkyl group such as methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl and tert-butyl, preferably methyl, ethyl and n-propyl,
  • n 1 to 3
  • n 1 to 3
  • the alkoxysilane(s) comprising solubilizing function(s) (a) and the alkylalkoxysilane(s) (b) being respectively contained in at least two different compositions, or in one and the same composition,
  • the rinsing step can be carried out between the application of successive compositions each comprising one or more alkoxysilane(s) (a) or (b) or else after the application of at least one composition comprising one or more alkoxysilane(s) (a) and (b).
  • Another subject of the invention is constituted of the use of this process for shaping and conditioning keratin fibres.
  • the invention also relates to a multi-compartment device, or a kit for treating keratin fibres, comprising at least two compartments:
  • composition (A) comprising one or more alkoxysilanes comprising solubilizing function(s) (a) as described above, and
  • composition (B) comprising one or more alkylalkoxysilanes (b) as described above.
  • Figure la is a photo of a lock treated with the process of the invention using a composition according to the invention, before being placed under a humid atmosphere.
  • Figure lb is a photo of a lock treated with a similar process using a comparative composition, before being placed under a humid atmosphere.
  • Figure 2a is a photo of a lock treated with the process of the invention using a composition according to the invention, and having undergone a humid atmosphere.
  • Figure 2b is a photo of a lock treated with a similar process using a comparative composition, and having undergone a humid atmosphere.
  • the process for cosmetic treatment of keratin fibres, and more particularly the hair comprises:
  • alkoxysilane(s) comprising solubilizing function(s) (a) and the alkylalkoxysilane(s) (b) being respectively contained in at least two different compositions, or in one and the same composition,
  • oligomer used in the invention is intended to mean the polymerization products of the compounds to which the expression “oligomer” relates, comprising from 2 to 10 silicon atoms.
  • alkoxysilane(s) comprising solubilizing function(s) (a) covers the alkoxysilane(s) comprising solubilizing function(s) of formula (I) below, and/or hydrolysis product(s) thereof and/or oligomer(s) thereof: R ! Si(OR 2 ) z (R 3 ) x (OH) y (I) in which:
  • Ri is a linear or branched, saturated or unsaturated, cyclic or acyclic Ci-C 6 hydrocarbon-based chain substituted with one or more group(s) chosen from the following groups:
  • R being:
  • Ci-C 2 o alkyl group preferably a Ci-C 6 alkyl group, optionally substituted with a group comprising a silicon atom,
  • Ri possibly being interrupted with a heteroatom (O, S or NH) or a carbonyl group (CO),
  • R 2 and R 3 which are identical or different, represent a linear or branched alkyl group comprising from 1 to 6 carbon atoms,
  • y denotes an integer ranging from 0 to 3
  • z denotes an integer ranging from 0 to 3
  • x denotes an integer ranging from 0 to 2
  • alkoxysilanes comprising solubilizing function(s) (a) comprise at least one amino group in their structure.
  • Ri is an acyclic chain.
  • Ri is a linear or branched, saturated or unsaturated Ci-C 6 hydrocarbon-based chain, substituted with an amine group NH 2 or NHR, R being: o a C 1 -C 20 , preferably Ci-C 6 , alkyl group, optionally substituted with a group comprising a silicon atom, better still a (R 2 0)3Si- group,
  • R 2 represents an alkyl group comprising from 1 to 4 carbon atoms, better still a linear alkyl group comprising from 1 to 4 carbon atoms, and is preferably the ethyl group.
  • R 3 represents an alkyl group comprising from 1 to 4 carbon atoms, better still a linear alkyl group comprising from 1 to 4 carbon atoms, and preferably represents a methyl group or an ethyl group.
  • the compound of formula (I) comprises only one or two silicon atoms in its structure.
  • the alkoxysilane(s) comprising solubilizing function(s) (a) according to the invention are chosen from 3-aminopropyltriethoxysilane (APTES), 3-aminoethyltriethoxysilane (AETES), 3-aminopropylmethyldiethoxysilane, N-(2- aminoethyl)-3-aminopropyltriethoxysilane, 3-(m-aminophenoxy)propyl- trimethoxysilane, p-aminophenyltrimethoxysilane, N-(2-aminoethylaminomethyl)- phenethyltrimethoxysilane, bis[3-(triethoxysilyl)propyl]amine, oligomers thereof, hydrolysis products thereof and a mixture of these compounds, better still from 3- aminopropyltriethoxysilane (APTES), 3-aminoethyltriethoxysilane (AETES), 3-a
  • the alkoxysilane(s) comprising solubilizing function(s) (a) are chosen from the compounds of formula (II) below, and/or oligomers thereof and/or hydrolysis products thereof:
  • R' groups which are identical or different, are chosen from linear or branched Ci-C 6 alkyl groups and n" is an integer ranging from 1 to 6 and preferably from 2 to 4.
  • An alkoxysilane comprising solubilizing function(s) (a) that is particularly preferred according to this embodiment is 3-aminopropyltriethoxysilane (APTES) and/or one of the hydrolysis products thereof and/or one of the oligomers thereof.
  • APTES 3-aminopropyltriethoxysilane
  • Said alkoxysilane(s) comprising solubilizing function(s) (a) used in a composition according to the invention can represent from 0.5% to 50% by weight, preferably from 1% to 30% by weight, and in particular from 2% to 25% by weight, relative to the total weight of the composition.
  • the second ingredient (b) used in the process of the invention is an alkylalkoxysilane of formula (III) below, and/or hydrolysis products thereof and/or oligomers thereof:
  • R 4 and R 5 each represent, independently of one another, a Ci_ 6 , better still C 1-4 , alkyl group such as methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl and tert-butyl, preferably methyl, ethyl and n-propyl,
  • n 1 to 3
  • n 1 to 3
  • the oligomers of the compounds of formula (III) are water- soluble.
  • alkylalkoxysilanes (b) that are particularly preferred, mention may in particular be made of methyltriethoxysilane (MTES), methyltripropoxysilane, oligomers thereof and hydrolysis products thereof.
  • MTES methyltriethoxysilane
  • oligomers thereof oligomers thereof and hydrolysis products thereof.
  • alkylalkoxysilane(s) (b) encompasses the alkylalkoxysilane(s) of formula (III), and/or hydrolysis product(s) thereof and/or oligomer(s) thereof.
  • Said alkylalkoxysilanes (b) used in a composition according to the invention can represent from 0.1% to 50%> by weight, preferably from 0.2%> to 20%> by weight, preferentially from 0.5% to 15% by weight, and in particular from 1% to 10% by weight, relative to the total weight of the composition.
  • These two compounds (a) and (b) can be contained in at least two different compositions or in one and the same composition according to the invention. They are used in an (a)/(b) weight ratio ranging preferably from 0.5 to 10, more preferentially from 1 to 10 and better still from 1.5 to 7.
  • these two compounds (a) and (b) are contained respectively in two compositions (A) and (B).
  • These compositions (A) and (B) can be applied successively, it being possible for a rinsing step to be carried out between the two.
  • a rinsing step can also be provided after this successive application.
  • the compounds (a) and (b) are present in one and the same composition and the application thereof can be followed by a rinsing step.
  • composition(s) preferably comprise(s) a cosmetically acceptable medium which preferably comprises water, one or more organic solvents, or a mixture thereof.
  • the amount of water ranges from 10% to 99% by weight, better still from 20%> by weight to 99% by weight, even better still from 25% to 99% by weight and even more preferentially from 50% to 95% by weight, relative to the total weight of the composition.
  • an organic solvent use may in particular be made of those that are liquid at 25°C and at atmospheric pressure (1.013 x 10 5 Pa), in particular water-soluble.
  • the solvent may be volatile.
  • volatile solvent is intended to mean a compound that is liquid at ambient temperature (20°C) and at atmospheric pressure, having a vapour pressure at 20°C of greater than 0.1 mmHg, preferably between 0.1 and 300 mmHg and even more preferentially between 0.5 and 200 mmHg.
  • the organic solvent may be a silicone or non- silicone organic solvent.
  • non-silicone organic solvent mention may in particular be made of:
  • C5-C7 volatile alkanes such as n-pentane, hexane, cyclopentane, 2,3- dimethylbutane, 2,2-dimethylbutane, 2-methylpentane or 3-methylpentane;
  • esters of liquid C 1 -C 20 acids and of volatile Ci-Cs alcohols such as methyl acetate, n-butyl acetate, ethyl acetate, propyl acetate, isopentyl acetate or ethyl 3- ethoxypropionate;
  • volatile polyols such as propylene glycol
  • volatile ethers such as dimethoxymethane, diethoxy ethane or diethyl ether
  • volatile glycol ethers such as 2-butoxyethanol, butyl diglycol, diethylene glycol mo no methyl ether, propylene glycol n-butyl ether or propylene glycol monomethyl ether acetate;
  • volatile hydrocarbon-based oils such as volatile hydrocarbon-based oils having from 8 to 16 carbon atoms, and mixtures thereof, and in particular branched C 8 - Ci6 alkanes such as Cs-Ci6 isoalkanes (also known as isoparaffins), isododecane or isodecane, and, for example, the oils sold under the trade names Isopar or Permethyl, and mixtures thereof. Mention may also be made of isohexyl or isodecyl neopentanoates;
  • volatile C4-C10 perfluoroalkanes such as dodecafluoropentane, tetradecafluorohexane or decafluoropentane;
  • volatile perfluorocycloalkyls such as perfluoromethylcyclopentane, 1,3- perfluorodimethylcyclohexane and perfluorodecaline, sold respectively under the names Flutec PCI®, Flutec PC3® and Flutec PC6® by the company F2 Chemicals, and also perfluorodimethylcyclo butane and perfluoromorpholine;
  • HFE-7100® by the company 3M and ethoxynonafluorobutane sold under the name
  • the solvent is chosen in such a way that its boiling point is below
  • the non- silicone organic solvent is chosen from ethanol, isopropanol, acetone and isododecane.
  • silicone compounds with a low viscosity chosen from linear or cyclic silicones having from 2 to 7 silicon atoms, these silicones optionally comprising alkyl or alkoxy groups having from 1 to 10 carbon atoms, for example octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, heptamethylhexyltrisiloxane, heptamethylethyltrisiloxane, heptamethyloctyltrisiloxane, octamethyltrisiloxane, decamethyltetrasiloxane, and mixtures thereof.
  • the silicone compound is chosen from cyclopentadimethylsiloxane and dodecamethylcyclohexasiloxane.
  • the volatile silicone solvent has a viscosity of less than 50 mm 2 /s.
  • the volatile silicone is preferably cyclic and chosen from decamethylcyclopentasiloxane, octamethyltrisiloxane and decamethyltetrasiloxane.
  • This cyclic volatile silicone generally has a low viscosity, for example a viscosity of less than 5 mm 2 /s at 25°C.
  • the volatile silicone is cyclic and is the decamethylcyclopentasiloxane sold under the name DC-245 by the company Dow Corning.
  • the organic solvent(s) is or are chosen from ethanol, isopropanol, acetone, isododecane, decamethylcyclopentasiloxane, octamethyltrisiloxane, decamethyltetrasiloxane, and mixtures thereof.
  • the pH of the composition(s) is preferably between 3 and 1 1 and in particular between 4 and 10.
  • the pH of these compositions may be adjusted to the desired value by means of basifying agents or acidifying agents that are customarily used.
  • basifying agents examples that may be mentioned include aqueous ammonia, alkanolamines, and mineral or organic hydroxides.
  • acidifying agents examples that may be mentioned, for example, are mineral or organic acids, for instance hydrochloric acid, orthophosphoric acid or sulfuric acid, carboxylic acids, for instance acetic acid, tartaric acid, citric acid and lactic acid, and sulfonic acids.
  • the composition comprises at least one carboxylic acid, preferentially a hydroxy acid and even more preferentially lactic acid, so as to provide the pH stability and a satisfactory level of hydrolysis before mixing.
  • composition according to the invention may also contain additives normally used in the cosmetics industry, such as thickeners, preservatives, fragrances and dyes, silicones, cationic polymers, and most of the usual cosmetic agents for hair treatments.
  • additives normally used in the cosmetics industry, such as thickeners, preservatives, fragrances and dyes, silicones, cationic polymers, and most of the usual cosmetic agents for hair treatments.
  • These additives may be present in the composition according to the invention in an amount ranging from 0 to 20% by weight, relative to the total weight of the composition.
  • compositions according to the invention can be prepared according to the following process: two aqueous phases, each comprising at least one alkoxysilane (a) or at least one alkylalkoxysilane (b), are prepared separately. The pH of each of the phases is then adjusted before combining them. The two aqueous phases are conserved for a period of between 10 minutes and two hours, then combined in such a way that the (a)/(b) weight ratio ranges preferably from 0.5 to 10.
  • composition according to the invention may be composed of several superimposed or emulsified liquid phases, or may contain suspended solid phases.
  • the compound (a) may be contained in an aqueous phase, while the compound (b) will be in a non-aqueous phase comprising an organic solvent.
  • Texturing agents such as thickeners, and/or additives that are usual in the cosmetics industry, preservatives, fragrances and dyes, and also most of the usual cosmetic agents for hair treatments, such as silicones and cationic polymers, can be added either to at least one of the aqueous phases before mixing thereof, or after mixing thereof. In the case where it (they) is (are) added to one of the aqueous phases before mixing, this addition will preferably be carried out into the one that will be the largest part of the final composition.
  • compositions according to the invention may be in the form of a lotion, gel, cream, paste, serum or foam.
  • composition can be used on wet or dry hair, in rinse-off or leave-on mode.
  • the application of the compounds (a) and (b) can be carried out separately and successively, i.e. a first aqueous composition (A) comprising one or more alkoxysilanes comprising solubilizing function(s) (a) as defined above will be applied, in a first step, and then a second, aqueous or non- aqueous, composition (B) comprising one or more alkylalkoxysilanes (b) as defined above will be applied in a second step.
  • a first aqueous composition (A) comprising one or more alkoxysilanes comprising solubilizing function(s) (a) as defined above will be applied, in a first step
  • a second, aqueous or non- aqueous, composition (B) comprising one or more alkylalkoxysilanes (b) as defined above will be applied in a second step.
  • compositions (A) and (B) are applied in such a way that the (a)/(b) weight ratio ranges preferably from 0.5 to 10, more preferentially from 1 to 10 and better still from 1.5 to 7.
  • composition (B) can be applied before composition (A).
  • rinsing can be carried out after the application of one and/or the other of compositions (A) and (B), the second composition being however applied rapidly, i.e. preferably less than one hour and more preferentially less than 10 minutes after the first has been rinsed off, or after the application of the two compositions (A) and (B).
  • the process according to the invention comprises, after the application of compositions (A) and (B) as defined above, or of the composition comprising compounds (a) and (b), an optional rinsing step and then a heating step.
  • the heating step is carried out by means of a heating device such as a hairdryer, a hood, or a straightening, crimping or curling iron, the iron possibly being a steam iron. This step makes it possible to increase the temperature of the hair.
  • a heating device such as a hairdryer, a hood, or a straightening, crimping or curling iron, the iron possibly being a steam iron. This step makes it possible to increase the temperature of the hair.
  • the temperature of the heating device generally ranges from 50 to 250°C, preferably from 60 to 230°C and better still from 130 to 220°C.
  • the temperature of the iron ranges from
  • 80 to 250°C preferably from 120 to 230°C and better still from 150 to 220°C.
  • the present invention also relates to a multi-compartment device, or a kit for treating keratin fibres, comprising at least two compartments:
  • composition (A) comprising one or more alkoxysilanes comprising solubilizing function(s) (a) as described above, and
  • composition (B) comprising one or more alkylalkoxysilanes (b) as described above.
  • compositions (A) and (B) can also comprise additives that are normally used in the cosmetics industry, as defined above.
  • a subject of the invention is also the use of the process as defined previously for shaping and conditioning keratin fibres, in particular human keratin fibres, and more particularly the hair.
  • Example 1 Formulation examples
  • compositions 1-31 and compositions E-I were prepared from the ingredients indicated in the tables below. All the percentages are by weight and the amounts indicated are expressed as % by weight of product in its existing form, relative to the total weight of each composition.
  • Lactic acid (90% of A.M.) 6 -
  • Lactic acid (90% of A.M.) 1.75 3.5 6
  • compositions 1 to 19 and 22 to 31 above is the following: at ambient temperature, the methyltriethoxysilane was added to half the water used for the composition, then a part of the pH agent (lactic acid or hydrochloric acid) was added to reach pH 3.
  • the pH agent lactic acid or hydrochloric acid
  • ammopropyltriethoxysilane was mixed with the remaining water useful for the composition and the rest of the pH agent. After having obtained a homogeneous first mixture, the two solutions were combined and then the other ingredients were added.
  • the aminopropyltriethoxysilane was dissolved in the water with the lactic acid.
  • the methyltriethoxysilane was dissolved respectively in the isododecane or in the cyclopentasiloxane and the resulting organic phase was added to the first solution based on aminopropyltriethoxysilane so as to obtain a two- phase system.
  • Example 2 Application examples
  • Locks of natural hair and of bleached hair of 2.7 g were rinsed, and washed with a standard shampoo such as DOP camomile. 400 mg of this shampoo were applied per lock, the locks were massaged between the fingers for 20 seconds and then rinsed and wrung out.
  • a standard shampoo such as DOP camomile. 400 mg of this shampoo were applied per lock, the locks were massaged between the fingers for 20 seconds and then rinsed and wrung out.
  • Compositions E, F, H, I and 24 to 30 were then applied in a proportion of 400 mg per lock.
  • the locks were massaged between the fingers for 20 seconds, and were then rinsed and wrung out between the fingers. They were then dried by providing heat, during a blow drying step: the locks were suspended and a round brush was passed under them while bringing a hairdryer, set at maximum power (170°C at the hairdryer outlet), to within 5 cm of the surface of the hair. The blow drying was carried out until residual moisture was no longer detected with the fingers, then a further 5 passes of the brush under hot air were carried out.
  • compositions E, F and 1 to 27 were applied to natural and bleached locks of 2.7 g. Each formula was applied in a proportion of 400 mg of formula per lock of 2.7 g and blow drying was carried out as previously described. Once the hair was sufficiently dry, i.e. residual moisture was no longer felt with the fingers, a straightening step was carried out using a straightening iron set at 210°C. The iron was applied 5 times for a total duration of 20 seconds.
  • the locks treated with the formulas of the invention 1 to 27 show easier combing than the locks treated with compositions E and F, are not tacky and resist humidity well.
  • compositions E then F and E then G were applied to natural and bleached locks of 2.7 g.
  • Each formula was successively applied in a proportion of 400 mg of formula per lock of 2.7 g and then blow drying was carried out as previously described.
  • a straightening step was carried out using a straightening iron set at between 150 and 230°C, preferably between 200 and 220°C, for example at 210°C. The iron was applied 5 times for a total duration of 20 seconds.
  • Formulation A according to the invention and comparative formulation B were prepared from the ingredients indicated in the table below. All the percentages are by weight and the amounts indicated are expressed as % by weight of active material, relative to the total weight of the formulation.
  • Locks of curly natural hair of 2.7 g were washed with a standard shampoo such as DOP Camomille, rinsed and wrung out.
  • composition A or B 1 g. of composition A or B was applied. After 5 minutes of leave-on, the locks were rinsed and dried beforehand by means of a hair-dryer and a flat brush till 80 % of drying was obtained.
  • Fig. la shows a lock treated with composition A according to the invention while Fig. lb shows a lock treated with comparative composition B.
  • Fig. 2a shows that the lock treated with composition A according to the invention has a better volume control and manageability than that of Fig. 2b which was treated with comparative composition B.
  • the loss of the shape and formation of frizz were decreased with composition A according to the invention.

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Abstract

L'invention concerne un procédé de traitement cosmétique des fibres kératiniques, comprenant : l'application : a) d'un ou de plusieurs alcoxysilanes comprenant une ou plusieurs fonctions de solubilisation de formule R1Si(OR2)z(R3)x(OH)y, et/ou leurs produits d'hydrolyse et/ou leurs oligomères, (b) d'un ou de plusieurs alkylalkoxysilanes de formule (R4)mSi(OR5)n et/ou leurs produits d'hydrolyse et/ou leurs oligomères, le ou les alcoxysilanes comprenant la ou les fonctions de solubilisation (a) et le ou les alkylalcoxysilanes (b) étant contenus respectivement dans au moins deux compositions différentes, ou dans une seule et même composition ; éventuellement une ou plusieurs étapes de rinçage ; et une étape de chauffage. L'invention concerne également l'utilisation dudit procédé pour le coiffage et le soin des cheveux.
PCT/EP2016/081022 2015-12-14 2016-12-14 Procédé de traitement cosmétique des fibres kératiniques au moyen de deux alcoxysilanes spécifiques et d'une étape de chauffage WO2017102854A1 (fr)

Applications Claiming Priority (2)

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FR1562329 2015-12-14
FR1562329A FR3044903B1 (fr) 2015-12-14 2015-12-14 Procede de traitement cosmetique des fibres keratiniques mettant en oeuvre deux alcoxysilanes particuliers et une etape de chauffage.

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EP3659577A1 (fr) 2018-11-29 2020-06-03 Kao Germany GmbH Composition de redressement de fibres kératiniques, procédé et kit de pièces
DE202018006763U1 (de) 2018-11-29 2022-08-18 Kao Germany Gmbh Zusammensetzung zum Glätten von Keratinfasern

Citations (8)

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Publication number Priority date Publication date Assignee Title
EP0159628A2 (fr) * 1984-04-12 1985-10-30 Revlon, Inc. Composition pour le renforcement et l'ondulation permanente des cheveux
FR2783164A1 (fr) 1998-09-16 2000-03-17 Oreal Composition cosmetique a base de composes organiques du silicium, peu ou pas polymerises, solubles dans l'eau, et partiellement neutralises
WO2004012691A1 (fr) * 2002-07-25 2004-02-12 Itn Nanovation Gmbh Utilisation de silanes dans des produits cosmetiques et procede de traitement capillaire
WO2005097950A1 (fr) 2004-04-02 2005-10-20 W.R. Grace & Co.-Conn. Compositions de catalyse comprenant un zeolite lie a un phosphate de metal et procedes utilisant ces compositions pour craquer de maniere catalytique des hydrocarbures
EP1736139A1 (fr) * 2004-04-07 2006-12-27 Kao Corporation Agent de traitement capillaire et procédé de traitement capillaire
JP2007099693A (ja) 2005-10-05 2007-04-19 Kao Corp 毛髪処理方法
FR2910275A1 (fr) 2006-12-20 2008-06-27 Oreal Utilisation d'une silicone dans une composition de mise en forme des cheveux comprenant une alcoxysilane contenant un groupe fonctionnel solubilisant
FR2966356A1 (fr) 2010-10-26 2012-04-27 Oreal Composition cosmetique comprenant un alcoxysilane a chaine grasse et un alcoxysilane different du premier

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0159628A2 (fr) * 1984-04-12 1985-10-30 Revlon, Inc. Composition pour le renforcement et l'ondulation permanente des cheveux
FR2783164A1 (fr) 1998-09-16 2000-03-17 Oreal Composition cosmetique a base de composes organiques du silicium, peu ou pas polymerises, solubles dans l'eau, et partiellement neutralises
WO2004012691A1 (fr) * 2002-07-25 2004-02-12 Itn Nanovation Gmbh Utilisation de silanes dans des produits cosmetiques et procede de traitement capillaire
WO2005097950A1 (fr) 2004-04-02 2005-10-20 W.R. Grace & Co.-Conn. Compositions de catalyse comprenant un zeolite lie a un phosphate de metal et procedes utilisant ces compositions pour craquer de maniere catalytique des hydrocarbures
EP1736139A1 (fr) * 2004-04-07 2006-12-27 Kao Corporation Agent de traitement capillaire et procédé de traitement capillaire
JP2007099693A (ja) 2005-10-05 2007-04-19 Kao Corp 毛髪処理方法
FR2910275A1 (fr) 2006-12-20 2008-06-27 Oreal Utilisation d'une silicone dans une composition de mise en forme des cheveux comprenant une alcoxysilane contenant un groupe fonctionnel solubilisant
FR2966356A1 (fr) 2010-10-26 2012-04-27 Oreal Composition cosmetique comprenant un alcoxysilane a chaine grasse et un alcoxysilane different du premier

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FR3044903A1 (fr) 2017-06-16

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