Method for decolorizing and / or brightening keratin fiber

Abstract

To provide an improved method for lifting the hair color that can effectively lift the hair color while reducing the hair damage.SOLUTION: A method for decolorizing and / or brightening keratin fiber includes the following steps in which: (i) a decolorizing composition containing at least one hydrogen peroxide-generating system other than enzymes is mixed with an oxidative composition containing hydrogen peroxide to prepare a treatment composition; (ii) the treatment composition is applied to the hair; and (iii) ultrasound is applied to the hair.SELECTED DRAWING: None

Description

[Technical field]

[0001] The present invention relates to a method for bleaching and / or lightening hair, in particular a method for bleaching and / or lightening hair using ultrasound. [Background technology]

[0002] It is known that consumers desire to use cosmetic and care compositions that improve the appearance of keratinous substrates such as hair, for example by changing the color, style and / or shape of the hair and / or by imparting various properties to the hair, such as shine and conditioning. Many of the known compositions and methods for improving the appearance of hair involve chemical treatment of the hair.

[0003] For example, a method of changing the color of hair can be to deposit an artificial color onto the hair, which gives the hair a different hue or color, and / or to lift the color of the hair, for example, to bleach or lighten a dark hair color to a lighter hue. Methods of lifting the color of hair, also known as bleaching and lightening, generally involve the use of a composition that includes at least one oxidizing agent.

[0004] Generally, hair lightening or color lifting compositions, and hair dye compositions have an alkalinity such that they have a pH value above 7, typically pH 9 or higher, and generally may require the presence of an alkalizing agent, such as ammonia or an ammonia gas generating compound, and / or an amine or ammonium based compound, in an amount sufficient to render such compositions alkaline. The alkalizing agent causes the hair to swell, thus allowing the bleaching active or oxidative dye small molecules to penetrate the cuticle and cortex.

[0005] Although dyeing or color-lifting compositions and alkalizing agents can effectively change the color of hair, these chemical treatments may damage hair fibers and / or irritate the scalp. Therefore, to reduce or avoid the above-listed drawbacks, effective methods for changing hair color have been developed. One of the developed technologies includes the use of ultrasound.

[0006] For example, US-A-2013 / 0125916 describes a method for dyeing hair, comprising the steps of: a. producing a spray containing a colorant by delivering the colorant to a surface of an ultrasonic horn that emits ultrasonic waves; b. depositing a colorant in a space within the cuticle of a single hair by utilizing ultrasound to apply a spray containing the colorant to the hair; c. forcing the colorant into the cortex of a single hair and into spaces within the cuticle by creating cavitation within the applied colorant; The present invention discloses a method including:

[0007] Furthermore, WO2007 / 140460 describes a method for treating keratin fibres, comprising the steps of: (a) applying a treatment medium to said keratinous fibers; (b) applying energy to an ultrasonic device in contact with the treatment medium and in proximity to the keratinous fibers, the treatment medium facilitating energy transfer between the ultrasonic device and the treated keratinous fibers, whereby the keratinous fibers are treated as a result of the energy transfer; The present invention discloses a method including:

[0008] However, there remains a need to develop an effective method for lifting hair color. [Prior art documents] [Patent documents]

[0009] [Patent Document 1] US-A-2013 / 0125916 [Patent Document 2] WO2007 / 140460 [Patent Document 3] US5,008,093 [Patent Document 4] US3,376,110 [Patent Document 5] US5,183,901 [Patent Document 6] US-A-5364633 [Patent Document 7] US-A-5411744 [Patent Document 8] FR-2416723 [Patent Document 9] US2,798,053 [Patent Document 10] US2,923,692 Summary of the Invention [Problem to be solved by the invention]

[0010] It is an object of the present invention to provide an improved method for lifting hair color, which can effectively lift hair color while causing less damage to the hair. [Means for solving the problem]

[0011] The above object of the present invention is a method for bleaching and / or lightening hair, comprising the steps of: (i) mixing a bleaching composition comprising at least one hydrogen peroxide generating system other than an enzyme with an oxidizing composition comprising hydrogen peroxide to prepare a treatment composition; (ii) applying the treatment composition to hair; (iii) applying ultrasound to the hair; This can be achieved by a method comprising:

[0012] The hydrogen peroxide generating system can be selected from peroxygen salts.

[0013] The peroxygen salts may be selected from persulfates, perborates, peracid salts and percarbonates of alkali or alkaline earth metals, such as potassium, sodium and magnesium, and combinations thereof.

[0014] The bleaching composition may be in the form of a powder or a paste.

[0015] The oxidizing composition may have a viscosity at 25° C. of less than 100 Pa·s, preferably less than 70 Pa·s, more preferably less than 40 Pa·s.

[0016] The oxidizing composition may contain hydrogen peroxide in an amount of 0.5% to 12% by mass, preferably 1% to 9% by mass, and more preferably 2% to 6% by mass, based on the total mass of the composition.

[0017] The wavelength of the ultrasonic waves may be 25 kHz to 100 kHz, preferably 27 kHz to 75 kHz, and more preferably 30 kHz to 50 kHz.

[0018] Ultrasound may be applied to the hair in step (iii) for a period of from 10 minutes to 40 minutes.

[0019] Ultrasound may be applied to the hair at a temperature below 40°C, preferably below 35°C.

[0020] Ultrasound may be applied to the hair in step (iii) intermittently or continuously.

[0021] The bleaching composition may comprise at least one alkaline agent.

[0022] The mass ratio of the total bleaching composition to the oxidizing composition may be from 10:1 to 1:10, preferably from 5:1 to 1:5, more preferably from 3:1 to 1:3.

[0023] The bleaching composition may contain the hydrogen peroxide generating system in an amount of 10% to 80% by mass, preferably 20% to 70% by mass, and more preferably 30% to 60% by mass, based on the total mass of the composition.

[0024] The bleaching composition may comprise water in an amount of 20% by weight or less, preferably 10% by weight or less, more preferably 5% by weight or less, based on the total weight of the composition, or the bleaching composition may be free of water.

[0025] The oxidizing composition may contain water in an amount of 30% by mass to 99% by mass, preferably 50% by mass to 97% by mass, and more preferably 70% by mass to 95% by mass, based on the total mass of the composition. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0026] After extensive research, the inventors have surprisingly found that the method according to the present invention can bleach and / or lighten hair while causing less damage to the hair due to the lower amount of oxidizing agent and / or shorter treatment time.In addition, the inventors have surprisingly found that a treatment composition with low viscosity can provide better color lifting effect, thus completing the present invention.

[0027] The present invention therefore relates to a method for bleaching and / or lightening hair, comprising the steps of: (i) mixing a bleaching composition comprising at least one hydrogen peroxide generating system other than an enzyme with an oxidizing composition comprising hydrogen peroxide to prepare a treatment composition; (ii) applying the treatment composition to hair; (iii) applying ultrasound to the hair; The method includes:

[0028] Hereinafter, the method according to the invention will be described in detail.

[0029] [method] The method according to the invention is a method for bleaching and / or lightening hair, comprising the steps of: (i) mixing a bleaching composition comprising at least one hydrogen peroxide generating system other than an enzyme with an oxidizing composition comprising hydrogen peroxide to prepare a treatment composition; (ii) applying the treatment composition to hair; (iii) applying ultrasound to the hair; The method includes:

[0030] The method according to the invention is intended to bleach and / or lighten hair using ultrasonic treatment.

[0031] The process according to the invention can be carried out under ambient conditions, ie at atmospheric pressure (760 mmHg) and at room temperature (25° C.).

[0032] The method according to the present invention is capable of effectively bleaching and / or lightening hair while causing less damage to the hair.

[0033] The method according to the present invention comprises at least steps (i) to (iii), which are described in detail below.

[0034] Process (i) Step (i) is a step of preparing a treatment composition by mixing a bleaching composition containing at least one hydrogen peroxide generating system other than an enzyme with an oxidizing composition containing hydrogen peroxide.

[0035] (Decolorizing composition) The bleaching composition may take a variety of forms, such as solutions, gels, lotions, serums, suspensions, dispersions, fluids, milks, pastes, creams, emulsions (O / W or W / O), multi-layer (e.g. W / O / W, polyol / O / W and O / W / O) emulsions, powders, etc. In one particular embodiment, the bleaching composition of the present invention is in the form of a powder or paste.

[0036] The term "paste" herein means a composition having a viscosity at 25° C. and atmospheric pressure (760 mmHg) of more than 2 Pa·s, preferably more than 10 Pa·s, more preferably more than 15 Pa·s.

[0037] Hydrogen peroxide generating systems may include (a) salts of peroxide, (b) urea peroxide, (c) polymer complexes capable of releasing hydrogen peroxide, and (d) alkali metal bromates and ferricyanides. The bleaching compositions of the present invention may contain one type of hydrogen peroxide generating system or a combination of two or more types of hydrogen peroxide generating systems.

[0038] (a) Peroxide salts can also be referred to as peroxygen salts or persalts. Examples of peroxide salts include persulfates, perborates, peracid salts and percarbonates of alkali metals or alkaline earth metals, such as potassium, sodium and magnesium, and combinations thereof.

[0039] According to a preferred embodiment of the present invention, the hydrogen peroxide generating system is selected from (a) peroxide salts of persulfates, more preferably sodium persulfate and / or potassium persulfate, and mixtures thereof.

[0040] (c) Polymer complexes capable of releasing hydrogen peroxide that may be mentioned are, in particular in powder form, the polyvinylpyrrolidone / HbC complexes and other polymer complexes described in US Pat. No. 5,008,093, US Pat. No. 3,376,110 and US Pat. No. 5,183,901.

[0041] The hydrogen peroxide generating system of the present invention is selected from non-enzymes, such as oxidases, including laccases, which generate hydrogen peroxide in the presence of a substrate. In one embodiment of the present invention, the bleaching composition comprises an enzyme in an amount of not more than 20% by weight, preferably not more than 10% by weight, more preferably not more than 5% by weight, in particular not more than 1% by weight, relative to the total weight of the composition. In another embodiment of the present invention, the bleaching composition does not comprise an enzyme such as an oxidase.

[0042] The hydrogen peroxide generating system may be present in the bleaching composition in an amount of 10% by weight or more, preferably 20% by weight or more, more preferably 30% by weight or more, and / or in an amount of 80% by weight or less, preferably 70% by weight or less, more preferably 60% by weight or less, relative to the total weight of the composition.

[0043] The hydrogen peroxide generating system may be present in the bleaching composition in an amount of 10% by mass to 80% by mass, preferably 20% by mass to 70% by mass, and more preferably 30% by mass to 60% by mass, based on the total mass of the composition.

[0044] The bleaching composition of the present invention may preferably have an alkaline pH value. For example, a 1% by weight aqueous solution of the bleaching composition has a pH value in the range of 8 to 12, preferably 8.5 to 11.5, more preferably 9 to 11.

[0045] In this embodiment, the bleaching composition of the present invention may include at least one alkaline agent. Two or more types of alkaline agents may be used in combination. Thus, a single type of alkaline agent or a combination of different types of alkaline agents may be used in the bleaching composition.

[0046] The alkaline agent may be an inorganic alkaline agent. The inorganic alkaline agent may be selected from the group consisting of ammonia, ammonium salts, alkali metal hydroxides, alkaline earth metal hydroxides, alkali metal phosphates and monohydrogen phosphates, such as sodium phosphate or sodium monohydrogen phosphate.

[0047] Examples of inorganic alkali metal hydroxides that may be mentioned are sodium hydroxide and potassium hydroxide. Examples of alkaline earth metal hydroxides that may be mentioned are calcium hydroxide and magnesium hydroxide.

[0048] The ammonium salt may be an organic ammonium salt or an inorganic ammonium salt.The organic ammonium salt may be selected from, for example, ammonium salts with trimethylamine, triethylamine, tributylamine, monoethanolamine, diethanolamine, triethanolamine, lysine, arginine; and ammonium formate, ammonium acetate, and alkylammonium hydroxides, such as tetramethylammonium hydroxide, and mixtures thereof.The inorganic ammonium salt may be selected from, for example, ammonium carbonate, ammonium hydroxide, ammonium bicarbonate, ammonium chloride, ammonium nitrate, ammonium sulfate, and ammonium phosphate, and mixtures thereof.

[0049] The alkaline agent may be an organic alkaline agent. The organic alkaline agent is preferably selected from the group consisting of monoamines and their derivatives, diamines and their derivatives, polyamines and their derivatives, basic amino acids and their derivatives, oligomers of basic amino acids and their derivatives, polymers of basic amino acids and their derivatives, urea and its derivatives, and guanidine and its derivatives.

[0050] Examples of organic alkaline agents that may be mentioned are alkanolamines, such as mono-, di- and tri-ethanolamine, and isopropanolamine; urea, guanidine and their derivatives; basic amino acids, such as lysine, ornithine or arginine; and diamines, such as those having the structure:

[0051] [ka]

[0052] (wherein R represents an alkylene, such as propylene, optionally substituted with a hydroxyl group or a C1-C4 alkyl group; R1, R2, R3, and R4 independently represent a hydrogen atom, an alkyl group, or a C1-C4 hydroxyalkyl group, which may be exemplified by 1,3-propanediamine and its derivatives). Arginine, urea and monoethanolamine may be preferred.

[0053] The alkaline agent may be present in the bleaching composition in an amount of 3% by weight or more, preferably 5% by weight or more, more preferably 10% by weight or more, and / or in an amount of 60% by weight or less, preferably 50% by weight or less, more preferably 40% by weight or less, based on the total weight of the composition.

[0054] The alkaline agent may be present in the bleaching composition in an amount of 3% to 60% by weight, preferably 5% to 50% by weight, and more preferably 10% to 40% by weight, based on the total weight of the composition.

[0055] In one embodiment of the present invention, the bleaching composition may comprise water in an amount of not more than 20% by weight, preferably not more than 10% by weight, more preferably not more than 5% by weight, relative to the total weight of the composition. In another embodiment of the present invention, the bleaching composition does not comprise water, i.e. the bleaching composition is anhydrous.

[0056] The bleaching composition according to the present invention can be prepared by mixing the essential and optional ingredients described above according to any of the methods well known to those skilled in the art.

[0057] (Oxidizing composition) The oxidizing composition may take a variety of forms, such as a solution, gel, lotion, serum, suspension, dispersion, fluid, milk, paste, cream, emulsion (O / W or W / O), multi-layer (e.g. W / O / W, polyol / O / W and O / W / O) emulsion, powder, etc. In a preferred embodiment, the oxidizing composition of the present invention is in the form of a solution, suspension, dispersion or emulsion (O / W or W / O).

[0058] The oxidizing composition of the present invention comprises hydrogen peroxide, which may be present in the oxidizing composition in an amount of 0.5% by weight or more, preferably 1% by weight or more, more preferably 2% by weight or more, and / or in an amount of 12% by weight or less, preferably 9% by weight or less, more preferably 6% by weight or less, based on the total weight of the composition.

[0059] Hydrogen peroxide may be present in the oxidizing composition in an amount of 0.5% to 12% by weight, preferably 1% to 9% by weight, more preferably 2% to 6% by weight, based on the total weight of the composition.

[0060] The oxidizing composition may include at least one hydrogen peroxide stabilizer, which may be selected from, for example, alkali and alkaline earth metal pyrophosphates, alkali and alkaline earth metal stannates, phenacetin, and salts of acids and oxyquinolines, such as oxyquinoline sulfate. In another embodiment, at least one stannate, optionally combined with at least one pyrophosphate, is used.

[0061] The concentration of the hydrogen peroxide stabilizer may range from 0.0001% to 5% by weight, for example from 0.01% to 2% by weight, based on the total weight of the oxidizing composition. The concentration ratio of hydrogen peroxide to the possible at least one stabilizer may range from 0.05:1 to 1000:1, such as from 0.1:1 to 500:1, for example from 1:1 to 200:1.

[0062] The oxidizing composition may comprise water. Water may be present in the oxidizing composition in an amount of 30% by weight or more, preferably 50% by weight or more, more preferably 70% by weight or more, and / or in an amount of 99% by weight or less, preferably 97% by weight or less, more preferably 95% by weight or less, based on the total weight of the composition.

[0063] Water may be present in the oxidizing composition in an amount of 30% to 99% by mass, preferably 50% to 97% by mass, more preferably 70% to 95% by mass, based on the total mass of the composition.

[0064] The oxidizing composition of the present invention may preferably have an acidic pH value, for example, the oxidizing composition may have a pH value in the range of 2 to 6.5, preferably 2.5 to 6, more preferably 3 to 5.5.

[0065] In one embodiment of the present invention, the oxidizing composition is 5 The oxidizing composition may be in the form of a gel, liquid, or low viscosity liquid at atmospheric pressure (760 mmHg or 10 Pa). 5 This means that the liquid is in the form of a liquid or paste (non-solid) at room temperature (25° C.) under a temperature of 200° C. (at 25° C.).

[0066] The oxidizing composition of the present invention may have a viscosity at room temperature (25° C.) of less than 100 Pa·s, preferably less than 70 Pa·s, more preferably less than 40 Pa·s. Although there is no lower limit to the viscosity, the composition generally has a viscosity at room temperature of more than 1 mPa·s.

[0067] In a preferred embodiment of the present invention, the mixture of the bleaching composition and the oxidizing composition of the present invention may have a viscosity at room temperature (25° C.) of less than 100 Pa·s, preferably less than 70 Pa·s, more preferably less than 40 Pa·s. Although there is no lower limit to the viscosity, the composition generally has a viscosity of more than 1 mPa·s at room temperature.

[0068] In some particular embodiments of the present invention, the oxidizing composition of the present invention may have a viscosity at room temperature (25° C.) of less than 30 Pa·s, preferably less than 20 Pa·s, and more preferably less than 10 Pa·s.

[0069] The viscosity of each of the oxidizing compositions was measured at room temperature using a VISCOMETRON (trademark) viscometer (VDA Type manufactured by Shibaura Machine Co., Ltd.). Viscosity (mPa.s -1 ) is calculated using rotor no.

[0070] The mixing ratio of all the bleaching compositions to the oxidizing composition is not particularly limited. In general, the mass ratio of all the bleaching compositions to the oxidizing composition may be 10:1 to 1:10 or 7:1 to 1:7, preferably 5:1 to 1:5 or 4:1 to 1:4, more preferably 3:1 to 1:3 or 2:1 to 1:2.

[0071] The oxidizing composition may be used in an amount greater than that of the bleaching composition, and thus the mixing ratio of the total bleaching composition to the oxidizing composition may be greater than 1 and not greater than 10, greater than 1 and not greater than 7, preferably greater than 1 and not greater than 5, greater than 1 and not greater than 4, more preferably greater than 1 and not greater than 3, and greater than 1 and not greater than 2.

[0072] The mixing of the bleaching composition and the oxidizing composition can be carried out using any means known to those skilled in the art. The mixing is carried out until the mixture is homogenous and a treatment composition is obtained.

[0073] The bleaching and / or oxidizing compositions of the present invention may also include one or more additional components such as:

[0074] - fatty compounds The bleaching composition and / or the oxidizing composition, preferably the oxidizing composition of the present invention, may comprise at least one fatty compound. Two or more fatty compounds may be used in combination. Thus, a single type of fatty compound or a combination of different types of fatty compounds may be used.

[0075] The term "fatty compound" means an organic compound that is insoluble in water (solubility less than 5%, preferably 1%, even more preferentially 0.1%) at room temperature (25°C) and at atmospheric pressure (760 mmHg).

[0076] The type of fatty compound is not particularly limited, and any type of fatty compound can be used as long as the effects of the present invention can be obtained.

[0077] The fatty compound may be in liquid or solid form. As used herein, "liquid" and "solid" refer to the fatty compound at atmospheric pressure (760 mmHg or 10 5 By fatty compound is meant that the fatty compound is in the form of a liquid or a paste (non-solid) or a solid at room temperature (25° C.) under atmospheric pressure (at 25° C.) and at room temperature (at 25° C.), respectively. It is preferred that the fatty compound comprises at least one fatty compound which is in the form of a paste or a solid, preferably in the form of a solid, at room temperature and under atmospheric pressure.

[0078] The fatty compounds can be selected from the group consisting of oils of animal or vegetable origin, mineral oils, synthetic glycerides; esters of fatty alcohols and / or fatty acids other than animal or vegetable oils and synthetic glycerides, fatty alcohols, fatty acids, silicone oils, and aliphatic hydrocarbons. These fatty compounds can be volatile or non-volatile. Preferably, the fatty compounds are selected from the group consisting of oils of animal or vegetable origin, synthetic glycerides, fatty esters other than animal or vegetable oils and synthetic glycerides, fatty alcohols, fatty acids, silicone oils, and aliphatic hydrocarbons. More preferably, the fatty compounds are selected from fatty alcohols, aliphatic hydrocarbons, preferably mineral oils, and mixtures thereof.

[0079] Examples of aliphatic hydrocarbons which may be mentioned are, for example, linear or branched hydrocarbons such as mineral oils (e.g. liquid paraffin), paraffin, vaseline or petrolatum, naphthalene, etc.; hydrogenated polyisobutenes, isoeicosane, polydecenes, hydrogenated polyisobutenes such as Parleam, and decene / butene copolymers; and mixtures thereof.

[0080] Examples of other aliphatic hydrocarbons that may also be mentioned are linear or branched, or optionally cyclic, C6-C 16 Examples that may be mentioned include hexane, undecane, dodecane, tridecane, and isoparaffins such as isohexadecane, isodecane, and C 13 ~C 14 Isoparaffin is present.

[0081] As examples of synthetic glycerides, mention may be made, for example, of caprylic / capric triglycerides, such as those sold by the company Stearineries Dubois, or those sold under the names Miglyol® 810, 812 and 818 by the company Dynamit Nobel.

[0082] Examples of silicone oils that may be mentioned include, for example, linear organopolysiloxanes, such as dimethylpolysiloxane, methylphenylpolysiloxane, methylhydrogenpolysiloxane, etc.; cyclic organopolysiloxanes, such as octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, etc.; and mixtures thereof.

[0083] Examples of vegetable oils that may be mentioned include, for example, linseed oil, camellia oil, macadamia nut oil, sunflower oil, apricot oil, soybean oil, arara oil, hazelnut oil, corn oil, mink oil, olive oil, avocado oil, camellia oil, castor oil, safflower oil, jojoba oil, almond oil, grape seed oil, sesame oil, peanut oil, and mixtures thereof. Examples of animal oils that may be mentioned include, for example, squalene, perhydrosqualene, and squalane.

[0084] As examples of fatty acid and / or fatty alcohol esters, advantageously different from the abovementioned animal or vegetable oils and synthetic glycerides, mention may in particular be made of saturated or unsaturated, linear or branched C1-C 26Aliphatic mono- or polyacids and saturated or unsaturated, linear or branched C1-C 26 It is an ester with an aliphatic mono- or polyalcohol, the total number of carbon atoms being 10 or more.

[0085] Among the monoesters, mention may be made of dihydroabietyl behenate, octyldodecyl behenate, isocetyl behenate, cetyl lactate, C lactate, 12 ~C 15 Alkyl, isostearyl lactate, lauryl lactate, linoleyl lactate, oleyl lactate, isostearyl octanoate, isocetyl octanoate, octyl octanoate, cetyl octanoate, decyl oleate, isocetyl isostearate, isocetyl laurate, isocetyl stearate, isodecyl octanoate, isodecyl oleate, isononyl isononanoate, isostearyl palmitate, methyl acetylricinoleate, myristyl stearate, octyl isononanoate, 2-ethylhexyl isononanoate, octyl palmitate, octyl pelargonate, These include octyl stearate, octyldodecyl erucate, oleyl erucate, ethyl and isopropyl palmitate, 2-ethylhexyl palmitate, 2-octyldecyl palmitate, alkyl myristates such as isopropyl myristate, butyl myristate, cetyl myristate, 2-octyldodecyl myristate, myristyl or stearyl myristate, hexyl stearate, butyl stearate, isobutyl stearate, dioctyl malate, hexyl laurate, and 2-hexyldecyl laurate.

[0086] The composition also contains, as the fatty ester, C6-C 30 , preferably C 12 ~C 22 They may include sugar esters and diesters of fatty acids. The term "sugar" refers to oxygen-containing hydrocarbon-based compounds containing at least 4 carbon atoms, with or without aldehyde or ketone functional groups, and containing some alcohol functional groups. These sugars may be monosaccharides, oligosaccharides or polysaccharides.

[0087] Examples of suitable sugars that may be mentioned are sucrose (or saccharose), glucose, galactose, ribose, fructose, maltose, mannose, arabinose, xylose and lactose, as well as derivatives thereof, in particular alkyl derivatives such as methyl derivatives, e.g. methylglucose.

[0088] Sugar esters of fatty acids are those that are made by mixing the sugars described above with linear or branched, saturated or unsaturated, C6-C 30 , preferably C 12 ~C 22 They may in particular be selected from the group comprising esters or mixtures of esters with fatty acids. If the fatty acids are unsaturated, these compounds may contain from 1 to 3 conjugated or non-conjugated carbon-carbon double bonds.

[0089] These esters may be chosen, for example, from oleic, lauric, palmitic, myristic, behenic, coconut, stearic, linoleic, linolenic, capric and arachidonic esters, or mixtures thereof, such as, in particular, mixed oleo-palmitic, oleo-stearic and palmito-stearic esters.

[0090] The fatty compound may include at least one fatty alcohol, and more than one fatty alcohol may be used.

[0091] The term "fatty alcohol" as used herein refers to any saturated or unsaturated, linear or branched, C8-C 30 It means fatty alcohols, which are in particular optionally substituted with one or more, in particular 1 to 4, hydroxyl groups. When the fatty acids are unsaturated, these compounds may contain 1 to 3 conjugated or non-conjugated carbon-carbon double bonds.

[0092] C8~C 30 Among fatty alcohols, for example, C 12 ~C22 Fatty alcohols are used. Among them, mention may be made of lauryl alcohol, cetyl alcohol, stearyl alcohol, isostearyl alcohol, oleyl alcohol, behenyl alcohol, linoleyl alcohol, undecylenyl alcohol, palmitoleyl alcohol, linolenyl alcohol, myristyl alcohol, arachidonyl alcohol and erucyl alcohol, and mixtures thereof.In one embodiment, cetyl alcohol, stearyl alcohol, or mixtures thereof (e.g. cetearyl alcohol) and myristyl alcohol can be used as solid fatty compounds.In another embodiment, isostearyl alcohol can be used as liquid fatty compounds.

[0093] The fatty compound may be a wax. In this specification, "wax" means that the fatty compound is in a substantially solid form at atmospheric pressure (760 mmHg) and room temperature (25°C), and generally has a melting point of 35°C or higher. As the waxy fatty compound, waxes generally used in cosmetics can be used alone or in combination.

[0094] According to one preferred embodiment of the invention, the oxidizing composition comprises at least one fatty alcohol.

[0095] The fatty compound may be contained in the bleaching composition and / or the oxidizing composition, preferably in the oxidizing composition, in an amount ranging from 1% to 50% by weight, preferably from 5% to 40% by weight, more preferably from 10% to 30% by weight, relative to the total weight of the composition.

[0096] - Surfactants The bleaching and / or oxidizing compositions of the present invention may comprise at least one surfactant. A single type of surfactant may be used, but two or more different types of surfactants may also be used in combination.

[0097] Any surfactant may be used for the present invention, and any type of surfactant may be used as long as the effects of the present invention can be obtained.

[0098] In a preferred embodiment, the surfactant used in the present invention can be selected from cationic surfactants, anionic surfactants and nonionic surfactants, and mixtures thereof. Preferably, the surfactant used in the present invention can be selected from anionic surfactants and nonionic surfactants, and mixtures thereof.

[0099] Non-ionic surfactants The nonionic surfactant may have an HLB (hydrophilic lipophilic balance) value of 3.0 to 7.0, preferably 3.5 to 6.0, more preferably 4.0 to 5.0. Alternatively, the nonionic surfactant may have an HLB value of 11 to 17, preferably 12 to 16, more preferably 13 to 15. When two or more nonionic surfactants are used, the HLB value is determined by the weighted average of the HLB values ​​of all the nonionic surfactants.

[0100] The non-ionic surfactant may be chosen from: (1) a surfactant selected from polyglyceryl fatty acid esters, polyoxyalkylenated alkyl glycerides, and polyoxyalkylenated fatty ethers; (2) Mixed esters of fatty acids or fatty alcohols, carboxylic acids, and glycerol; (3) fatty acid esters of sugars, and fatty alcohol ethers of sugars; (4) A surfactant selected from fatty esters of sorbitan, oxyalkylenated fatty esters of sorbitan, and oxyalkylenated fatty esters of sorbitan; (5) Block copolymers of ethylene oxide (A) and propylene oxide (B); (6) Polyoxyethylenated (1-40 EO) and polyoxypropylenated (1-30 PO) alkyl (C 16 ~C 30 )ether, (7) Silicone surfactants, and (8) Mixtures of these.

[0101] The surfactant (1) may be fluid at a temperature of 45°C or less.

[0102] The surfactant (1) may in particular be: - at least one saturated or unsaturated, linear or branched C8-C 22 Hydrocarbon groups, e.g. C8-C 22 Alkyl or alkenyl group, preferably C8-C 18 Alkyl or alkenyl groups, more preferably C8-C 12 Polyglyceryl fatty acid esters of at least one, preferably one, fatty acid containing an alkyl or alkenyl group and 2 to 12 glycerols, preferably 2 to 10 glycerols, more preferably 2 to 8 glycerols; - polyoxyethylenated (PEGylated) alkyl glycerides, such as polyethylene glycol derivatives of mixtures of mono-, di- and tri-glycerides of caprylic and capric acid (preferably having from 2 to 30 ethylene oxide units, more preferably having from 2 to 20 ethylene oxide units, even more preferably having from 2 to 10 ethylene oxide units), such as PEG-6 caprylic / capric glyceride, PEG-7 caprylic / capric glyceride, and PEG-7 glyceryl cocoate, - at least one saturated or unsaturated, linear or branched C8-C 22 Hydrocarbon groups, e.g. C8-C 22 Alkyl or alkenyl group, preferably C8-C 18 Alkyl or alkenyl groups, more preferably C8-C 12 polyoxyethylenated fatty ethers of at least one, preferably one, fatty alcohol containing an alkyl or alkenyl group and 2 to 60 ethylene oxide units, preferably 2 to 30 ethylene oxide units, more preferably 2 to 10 ethylene oxide units, and - A mixture of these.

[0103] It is preferred that the polyglyceryl fatty acid ester has a polyglycerol moiety derived from 2 to 10 glycerols, more preferably from 2 to 8 glycerols, and even more preferably from 4 to 6 glycerols.

[0104] The polyglyceryl fatty acid esters may be selected from mono-, di- and triesters of saturated or unsaturated acids, preferably saturated acids, such as caprylic acid, capric acid, lauric acid, oleic acid, stearic acid, isostearic acid and myristic acid, containing from 8 to 22 carbon atoms, preferably from 8 to 18 carbon atoms, more preferably from 8 to 12 carbon atoms.

[0105] The polyoxyalkylenated fatty ethers, preferably polyoxyethylenated fatty ethers, may contain from 2 to 60 ethylene oxide units, preferably from 2 to 30 ethylene oxide units, more preferably from 2 to 10 ethylene oxide units. The fatty chain of the ether may be chosen in particular from lauryl, behenyl, arachidyl, stearyl and cetyl units, and mixtures thereof, such as cetearyl. Examples of ethoxylated fatty ethers that may be mentioned are lauryl alcohol ethers containing 2, 3, 4 and 5 ethylene oxide units (CTFA names: laureth-2, laureth-3, laureth-4 and laureth-5), such as the products sold under the names Nikkol BL-2 by Nikko Chemicals Co., Ltd., Emalex 703 by Nippon Emulsion Co., Ltd., Nikkol BL-4 by Nikko Chemicals Co., Ltd. and EMALEX 705 by Nippon Emulsion Co., Ltd. Mention may also be made, for example, of stearyl alcohol ethers containing 2, 3, 4, 5 and 20 ethylene oxide units (CTFA names: Steareth-2, Steareth-3, Steareth-4, Steareth-5 and Steareth-20), such as the products sold under the name Emalex 602 by Nippon Emulsion Co., Ltd., Emalex 603 by Nippon Emulsion Co., Ltd., Nikkol BS-4 by Nikko Chemicals Co., Ltd. and Emalex 605 by Nippon Emulsion Co., Ltd.

[0106] The polyoxyalkylenated fatty ether is a C8-C 24 Polyethylene glycol ethers of fatty alcohols or alcohols and their polyoxyalkylenated derivatives, as well as C4-C 24 Also preferred are fatty alcohols or polypropylene glycol ethers of alcohols, such as PPG-14 butyl ether and PPG-15 stearyl ether.

[0107] The (2) mixed ester of a fatty acid or fatty alcohol, a carboxylic acid, and glycerol that can be used as the nonionic surfactant can be particularly selected from the group including mixed esters of a fatty acid or fatty alcohol having an alkyl or alkenyl chain containing 8 to 22 carbon atoms, preferably 8 to 18 carbon atoms, more preferably 8 to 12 carbon atoms, and an α-hydroxy acid and / or succinic acid with glycerol. The α-hydroxy acid can be, for example, citric acid, lactic acid, glycolic acid, or malic acid, and mixtures thereof.

[0108] The alkyl chains of the fatty acids or fatty alcohols derived from the mixed esters that may be used in the nanoemulsions of the invention may be linear or branched, saturated or unsaturated, and may in particular be stearic, isostearic, linoleic, oleic, behenic, arachidonic, palmitic, myristic, lauric, capric, isostearyl, stearyl, linoleyl, oleyl, behenyl, myristyl, lauryl or caprylic chains, and mixtures thereof.

[0109] Examples of mixed esters that may be used in the nanoemulsions of the invention include the mixed ester of glycerol with a mixture of citric acid, lactic acid, linoleic acid and oleic acid sold under the name Imwitor 375 by the company Huls (CTFA name: glyceryl citric acid / lactic acid / linoleic acid / oleate); the mixed ester of succinic acid and isostearyl alcohol with glycerol sold under the name Imwitor 780 K by the company Huls (CTFA name: isostearyl diglyceryl succinate); the mixed ester of citric acid and stearic acid with glycerol sold under the name Imwitor 370 by the company Huls (CTFA name: glyceryl citrate stearate); the mixed ester of lactic acid and stearic acid with glycerol sold under the name Lactodan B30 or Rylo LA30 by the company Danisco (CTFA name: glyceryl lactate stearate).

[0110] The fatty acid ester of sugar (3) that can be used as the nonionic surfactant is a C8-C 22 Esters or mixtures of esters of fatty acids with sucrose, maltose, glucose or fructose, as well as C 14 ~C 22 It may especially be chosen from the group comprising esters or mixtures of esters of fatty acids and of methylglucose.

[0111] C8 to C4 forming the fatty unit of the ester that can be used in the present invention 22 Or C 14 ~C 22 The fatty acids comprise saturated or unsaturated, linear alkyl or alkenyl chains containing from 8 to 22 or from 14 to 22 carbon atoms, respectively. The fatty units of the esters can be chosen in particular from stearic acid esters, behenic acid esters, arachidonic acid esters, palmitic acid esters, myristic acid esters, lauric acid esters and capric acid esters, and mixtures thereof. Stearic acid esters are preferably used.

[0112] The sugar fatty alcohol ether (3) that can be used as the nonionic surfactant can be solid at a temperature of 45° C. or less and has a C8 to C6 22 Ethers or mixtures of ethers of fatty alcohols with glucose, maltose, sucrose or fructose, as well as C 14 ~C 22 They may in particular be chosen from the group comprising the ethers or mixtures of ethers of fatty alcohols and methylglucose, these being in particular alkylpolyglucosides.

[0113] C8-C forming the fatty units of the ethers that can be used in the nanoemulsions of the invention 22 Or C 14 ~C 22The fatty alcohols contain saturated or unsaturated, linear alkyl or alkenyl chains containing, respectively, 8 to 22 or 14 to 22 carbon atoms. The fatty units of the ethers can be chosen in particular from decyl, cetyl, behenyl, arachidyl, stearyl, palmityl, myristyl, lauryl, capryl and hexadecanoyl units, and mixtures thereof, such as cetearyl.

[0114] (4) Fatty esters of sorbitan and oxyalkylenated fatty esters of sorbitan that can be used as the nonionic surfactants described above are C 16 ~C 22 Oxyethylation of fatty acid esters and sorbitan C 16 ~C 22 The oxyethylenated esters may be selected from the group consisting of fatty acid esters, which may be formed from at least one fatty acid containing at least one saturated linear alkyl chain, each containing 16 to 22 carbon atoms, and sorbitol or from ethoxylated sorbitol. The oxyethylenated esters may generally contain 1 to 100 ethylene glycol units, preferably 2 to 40 ethylene oxide (EO) units.

[0115] These esters may be chosen in particular from stearates, behenates, arachidates, palmitates, and mixtures thereof, with preference given to using stearates and palmitates.

[0116] The (4) oxyalkylenated fatty ester, preferably ethoxylated fatty ester, which may be used as the nonionic surfactant, may be an ester formed from 1 to 100 ethylene oxide units, preferably 2 to 60 ethylene oxide units, more preferably 2 to 30 ethylene oxide units, and at least one fatty acid chain containing 8 to 22 carbon atoms, preferably 8 to 18 carbon atoms, more preferably 8 to 12 carbon atoms. The fatty chain in the ester may be selected in particular from stearic acid ester, behenic acid ester, arachidic acid ester and palmitic acid ester units, and mixtures thereof. Examples of ethoxylated fatty esters that may be mentioned are esters of stearic acid containing 40 ethylene oxide units, such as the product sold under the name Myrj 52 (CTFA name: PEG-40 stearate) by the company ICI, and esters of behenic acid containing 8 ethylene oxide units (CTFA name: PEG-8 behenate), such as the product sold under the name Compritol HD5 ATO by the company Gattefosse.

[0117] The block copolymer of ethylene oxide (A) and propylene oxide (B) that can be used as the nonionic surfactant (5) is particularly represented by the formula (I): HO(C2H4O) x (C3H6O) y (C2H4O) z H (I) (wherein x, y, and z are integers such that x+z is in the range of 2 to 100, and y is in the range of 14 to 60). and mixtures thereof, and more particularly from block copolymers of formula (I) having an HLB value in the range of 8.0 to 14.0.

[0118] (6) Polyoxyethylenated (1-40 EO) and polyoxypropylenated (1-30 PO) alkyl (C 16 ~C 30 ) The ether may be selected from the group consisting of: PPG-6 decyltetradeceth-30; polyoxyethylene (30) polyoxypropylene (6) tetradecyl ether, such as that sold by Nikko Chemicals Co., Ltd. under the name Nikkol PEN-4630; PPG-6 decyltetradeceth-12; polyoxyethylene(12) polyoxypropylene(6) tetradecyl ether, such as that sold by Nikko Chemicals Co., Ltd. under the name Nikkol PEN-4612; PPG-13 decyltetradeceth-24; polyoxyethylene(24) polyoxypropylene(13) decyltetradecyl ether, such as that sold by NOF Corporation under the name UNILUBE 50MT-2200B; PPG-6 decyltetradeceth-20; polyoxyethylene (20) polyoxypropylene (6) decyltetradecyl ether, such as that sold by Nikko Chemicals Co., Ltd. under the name Nikkol PEN-4620; PPG-4 ceteth-1; polyoxyethylene (1) polyoxypropylene (4) cetyl ether, such as that sold by Nikko Chemicals Co., Ltd. under the name Nikkol PBC-31; PPG-8 ceteth-1; polyoxyethylene (1) polyoxypropylene (8) cetyl ether, such as that sold by Nikko Chemicals Co., Ltd. under the name Nikkol PBC-41; PPG-4 ceteth-10; polyoxyethylene (10) polyoxypropylene (4) cetyl ether, such as that sold by Nikko Chemicals Co., Ltd. under the name Nikkol PBC-33; PPG-4 ceteth-20; polyoxyethylene (20) polyoxypropylene (4) cetyl ether, such as that sold by Nikko Chemicals Co., Ltd. under the name Nikkol PBC-34; PPG-5 Ceteth-20; polyoxyethylene (20) polyoxypropylene (5) cetyl ether, such as that sold by Croda Inc. under the trade name Procetyl AWS; PPG-8 Ceteth-20; polyoxyethylene (20) polyoxypropylene (8) cetyl ether, such as that sold by Nikko Chemicals Co., Ltd. under the name Nikkol PBC-44; and PPG-23 Steareth-34; Polyoxyethylene polyoxypropylene stearyl ether (34 EO) (23 PO), such as that sold by POLA Chemical Industries Co., Ltd. under the trade name Unisafe 34S-23. These can provide compositions with stability over long periods of time, even when the temperature of the composition rises and falls within a relatively short period of time.

[0119] As silicone surfactants (7) which may be used as the above nonionic surfactant, mention may be made of those disclosed in US Pat. No. 5,364,633 and US Pat. No. 5,411,744.

[0120] The silicone surfactant (7) as the nonionic surfactant is preferably represented by the formula (I):

[0121] [ka]

[0122] [In the formula, R1, R2 and R3 are each independently a C1 to C6 alkyl group or -(CH2) x -(OCH2CH2) y -(OCH2CH2CH2) z represents an -OR group, where at least one R, R or R group is not an alkyl group, and R is hydrogen, an alkyl group or an acyl group; A is an integer ranging from 0 to 200; B is an integer ranging from 0 to 50, provided that A and B are not both equal to 0; x is an integer ranging from 1 to 6; y is an integer ranging from 1 to 30; z is an integer ranging from 0 to 5. The compound may be:

[0123] According to a preferred embodiment of the present invention, in the compound of formula (I), the alkyl group is a methyl group, x is an integer in the range of 2-6, and y is an integer in the range of 4-30.

[0124] Examples of silicone surfactants of formula (I) that may be mentioned are those of formula (II):

[0125] [ka]

[0126] (In the formula, A is an integer ranging from 20 to 105, B is an integer ranging from 2 to 10, and y is an integer ranging from 10 to 20.) It is a compound of the formula:

[0127] As examples of silicone surfactants of formula (I), mention may also be made of those of formula (III): H-(OCH2CH2) y -(CH2)3-[(CH3)2SiO] A' -(CH2)3-(OCH2CH2) y -OH (III) (In the formula, A' and y are integers ranging from 10 to 20.) It is a compound of the formula:

[0128] Anionic surfactants According to the present invention, the type of anionic surfactant is not limited. 30 ) Alkyl sulfate, (C6-C 30 ) Alkyl ether sulfates, (C6-C 30 ) Alkyl amide ether sulfates, alkyl aryl polyether sulfates, and monoglyceride sulfates; (C6-C 30 ) Alkyl sulfonate, (C6-C 30 ) Alkyl amidosulfonate, (C6-C 30 ) Alkylarylsulfonates, α-olefinsulfonates, and paraffin sulfonates; (C6-C30 ) Alkyl phosphate; (C6~C 30 ) Alkyl sulfosuccinate, (C6-C 30 ) alkyl ether sulfosuccinates, and (C6-C 30 ) Alkylamide sulfosuccinate; (C6-C 30 ) Alkyl sulfoacetate; (C6-C 24 )Acyl sarcosinate; (C6~C 24 )Acyl glutamate; (C6~C 30 ) Alkyl polyglycoside carboxylic acid ether; (C6-C 30 ) Alkyl polyglycoside sulfosuccinate; (C6~C 30 ) Alkyl sulfosuccinamate; (C6-C 24 ) acyl isethionate; N-(C6~C 24 ) Acyl taurate; C6~C 30 Fatty acid salts; coconut oil salts or hydrogenated coconut oil salts; (C8-C 20 ) Acyl lactate; (C6~C 30 ) Alkyl-D-galactosiduronic acid salts; Polyoxyalkylenated (C6-C 30 ) Alkyl ether carboxylate; Polyoxyalkylenated (C6-C 30 ) alkyl aryl ether carboxylates; and polyoxyalkylenated (C6-C 30 ) alkyl amide ether carboxylates.

[0129] In at least one embodiment, the anionic surfactant is in the form of a salt, such as an alkali metal salt, for example a sodium salt; an alkaline earth metal salt, for example a magnesium salt; an ammonium salt; an amine salt; and an amino alcohol salt. Depending on the conditions, the anionic surfactant may be in the form of an acid.

[0130] It is also preferred that the anionic surfactant is selected from polyoxyalkylenated anionic surfactants, for example those containing 2 to 50 alkylene oxide groups, such as ethylene oxide groups.

[0131] Among the polyoxyalkylenated anionic surfactants, mention may be made of polyethoxylated C6-C ethylene oxide surfactants containing 2 to 50 ethylene oxide units. 30 Esters of fatty alcohols, carboxylic acids, and phosphoric or sulfonic acids, such as ceteth-10 phosphate.

[0132] The surfactant may be present in the bleaching composition and / or oxidizing composition of the present invention in an amount of 0.1% by mass to 20% by mass, preferably 0.5% by mass to 15% by mass, more preferably 1% by mass to 10% by mass, relative to the total mass of the composition.

[0133] - Thickener The bleaching and / or oxidizing compositions of the present invention may comprise at least one thickening agent. A single type of thickening agent may be used or two or more different types of thickening agents may be used in combination.

[0134] The type of thickener is not particularly limited, and any type of thickener can be used as long as the effects of the present invention can be obtained.

[0135] The thickener is (i) associative thickeners, (ii) crosslinked acrylic acid homopolymers, (iii) crosslinked copolymers of (meth)acrylic acid and (C1-C6) alkyl acrylates; (iv) non-ionic homopolymers and copolymers comprising ethylenically unsaturated monomers of the ester and / or amide type; (v) Homopolymers of ammonium acrylate and copolymers of ammonium acrylate and acrylamide, and (vi) Polysaccharide It is preferably selected from the group consisting of:

[0136] Preferably, the thickeners of the present invention are water-soluble. The term "water-soluble" is used herein to mean a substance that has a solubility in water of more than 0.5% by weight, preferably more than 1% by weight, at room temperature (25° C.) and atmospheric pressure (760 mmHg).

[0137] (i) As used herein, the expression "associative thickener" refers to a thickener that contains both hydrophilic and hydrophobic units, e.g., at least one C8-C 30 By this is meant an amphiphilic thickener, which comprises a fatty chain and at least one hydrophilic unit.

[0138] Representative associative thickeners that may be used are: (aa) a non-ionic amphiphilic polymer comprising at least one fatty chain and at least one hydrophilic unit; (bb) an anionic amphiphilic polymer comprising at least one hydrophilic unit and at least one fatty chain unit; (cc) a cationic amphiphilic polymer comprising at least one hydrophilic unit and at least one fatty chain unit, and (dd) amphiphilic polymers containing at least one hydrophilic unit and at least one fatty chain unit is an associative polymer selected from Here, the fatty chain contains 10 to 30 carbon atoms.

[0139] (aa) The non-ionic amphiphilic polymer comprising at least one fatty chain and at least one hydrophilic unit can be chosen, for example, from: (1) Cellulose modified with a group containing at least one fatty chain, examples which may be mentioned are: - hydroxyethylcellulose modified with at least one fatty chain-containing group selected from the group consisting of alkyl, arylalkyl and alkylaryl groups, where the alkyl group is, for example, C8-C 22such as, for example, the product Natrosol Plus Grade 330 CS (C1-C6 alkyl) sold by the company Aqualon, and the product Bermocoll EHM 100 sold by the company Berol Nobel, and - cellulose modified with polyalkylene glycol alkylphenyl ether groups, such as the product Amercell Polymer HM-1500 (polyethylene glycol (15) nonylphenyl ether) sold by the company Amerchol. (2) Hydroxypropyl guar modified with a group containing at least one fatty chain, such as the product Esaflor HM 22 (C) sold by the company Lamberti 22 alkyl chain), and the product Miracare XC95-3 (C 14 alkyl chain) and RE205-1(C 20 alkyl chain). (3) at least one fatty acid chain, e.g., C 10 ~C 30 Polyetherurethanes containing alkyl or alkenyl groups, for example the products Elfacos T 210 and Elfacos T 212 sold by the company Akzo or the products Aculyn 44 and Aculyn 46 sold by the company Rohm & Haas. (4) copolymers of vinylpyrrolidone and hydrophobic fatty chain monomers; Examples that can be given include: - the products Antaron V216 and Ganex V216 (vinylpyrrolidone / hexadecene copolymers) sold by the company ISP, and - The products Antaron V220 and Ganex V220 (vinylpyrrolidone / eicosene copolymer) sold by the company ISP. (5) Copolymers of C1-C6 alkyl acrylates or methacrylates with amphiphilic monomers containing at least one fatty chain, such as the oxyethylenated methyl methacrylate / stearyl acrylate copolymer sold under the name Antil 208 by the company Goldschmidt. (6) Copolymers of hydrophilic acrylates or methacrylates with hydrophobic monomers containing at least one fatty chain, such as polyethylene glycol methacrylate / lauryl methacrylate copolymer.

[0140] (bb) Anionic amphiphilic polymers comprising at least one hydrophilic unit and at least one fatty chain unit can be chosen, for example, from units comprising at least one fatty chain allyl ether unit and at least one hydrophilic unit comprising an ethylenically unsaturated anionic monomer unit, for example a vinyl carboxylic acid unit, and further, for example, from units derived from acrylic acid, methacrylic acid, and mixtures thereof, where the fatty chain allyl ether unit is represented by the formula (I): CH2=C(R1)CH2OB n R (I) wherein R1 is selected from H and CH3, B is an ethyleneoxy group, n is selected from zero and an integer ranging from 1 to 100, and R is selected from a hydrocarbon group selected from alkyl, arylalkyl, aryl, alkylaryl and cycloalkyl groups containing 10 to 30 carbon atoms, further for example 10 to 24 carbon atoms, and even further for example 12 to 18 carbon atoms. This corresponds to the monomer.

[0141] In one embodiment, the anionic amphiphilic polymer is, for example, a polymer formed from 20% to 60% by weight of acrylic acid and / or methacrylic acid, 5% to 60% by weight of lower alkyl (meth)acrylates, 2% to 50% by weight of the fatty chain allyl ether of formula (I), and 0% to 1% by weight of a crosslinking agent which is a well-known copolymerizable unsaturated polyethylene-based monomer, such as diallyl phthalate, allyl (meth)acrylate, divinylbenzene, (poly)ethylene glycol dimethacrylate, and methylene bisacrylamide.

[0142] The anionic amphiphilic polymers are, for example, those which contain at least one hydrophilic unit of the unsaturated olefinic carboxylic acid type and (C 10 ~C 30 ) alkyl ester, etc. The hydrophilic unit of the unsaturated olefinic carboxylic acid type may further be selected from those containing at least one hydrophobic unit of the type of unsaturated olefinic carboxylic acid, for example, of formula (II):

[0143] [ka]

[0144] (In the formula, R 1 is selected from H, CH3 and C2H5 The monomers of unsaturated carboxylic acids (C 10 ~C 30 Hydrophobic units of the type such as alkyl esters are, for example, represented by the formula (III):

[0145] [ka]

[0146] [In the formula, R 1 is selected from H, CH3 and C2H5 (i.e., acrylate, methacrylate and ethacrylate units), and is for example selected from H (acrylate unit) and CH3 (methacrylate unit); R 2is C 10 ~C 30 Alkyl groups, such as C 12 ~C 22 alkyl groups] This corresponds to the monomer.

[0147] Unsaturated carboxylic acid (C 10 ~C 30 ) Examples of alkyl esters include lauryl acrylate, stearyl acrylate, decyl acrylate, isodecyl acrylate, and dodecyl acrylate, and the corresponding methacrylates, lauryl methacrylate, stearyl methacrylate, decyl methacrylate, isodecyl methacrylate, and dodecyl methacrylate.

[0148] Among the above-mentioned polymers that may be mentioned are, for example, the products sold under the trade names Pemulen TR1, Pemulen TR2 and Carbopol 1382 by the company Goodrich, and further, for example, under the name Pemulen TR1, and the product sold under the name Coatex SX by the company SEPC.

[0149] Among the anionic amphiphilic fatty chain polymers that may also be mentioned are the ethoxylated copolymers of methacrylic acid / methyl acrylate / alkyldimethyl-meta-isopropenylbenzyl isocyanate, sold for example under the name Viscophobe DB 1000 by the company Amerchol.

[0150] The cationic amphiphilic polymers used (cc) are chosen, for example, from quaternized cellulose derivatives and polyacrylates containing amino side groups.

[0151] The quaternized cellulose derivatives are, for example, selected from: Quaternized cellulose modified with a group containing at least one fatty chain, such as alkyl, arylalkyl and alkylaryl groups, containing at least 8 carbon atoms, and mixtures thereof, as well as quaternized hydroxyethyl cellulose modified with a group containing at least one fatty chain, such as alkyl, arylalkyl and alkylaryl groups, containing at least 8 carbon atoms, and mixtures thereof.

[0152] Quaternized and non-quaternized polyacrylates containing amino side groups have hydrophobic groups, such as steareth 20 (polyoxy-ethylenated (20) stearyl alcohol) and (C 10 ~C 30 ) Alkyl PEG-20 itaconate.

[0153] The alkyl groups carried by the above quaternized cellulose and hydroxyethyl cellulose contain, for example, 8 to 30 carbon atoms.

[0154] C8~C 30 Examples of quaternized alkylhydroxyethylcelluloses containing fatty chains are the products Quatrisoft LM 200, Quatrisoft LM-X 529-18-A, Quatrisoft LM-X 529-18B (C 12 alkyl) and Quatrisoft LM-X 529-8(C 18 Alkyl), and Crodacel QM, Crodacel QL (C 12 Alkyl) and Crodacel QS(C 18 alkyl).

[0155] (dd) Among the amphiphilic polymers containing at least one hydrophilic unit and at least one fatty chain unit, mention may be made, for example, of the methacrylamidopropyltrimethylammonium chloride / acrylic acid / C 10 ~C 30 It is a copolymer of alkyl methacrylate, where the alkyl group is, for example, a stearyl group.

[0156] The associative thickener may be an associative polymeric thickener, preferably an associative polyurethane thickener.

[0157] Associative polyurethane thickeners can be cationic or nonionic.

[0158] Among the associative polyurethane thickeners, mention may be made of associative polyurethane derivatives such as those obtained by polymerization of about 20 to 70% by weight of carboxylic acids containing α,β-monoethylenic unsaturation, about 20 to 80% by weight of non-surfactant monomers containing α,β-monoethylenic unsaturation and about 0.5 to 60% by weight of a nonionic mono-urethane which is the product of the reaction of a monohydroxylated surfactant with a monoethylenically unsaturated monoisocyanate.

[0159] As an associative polyurethane thickener, mention may be made of Polyurethane-39 sold under the product name Luvigel Star® by the company BASF.

[0160] (ii) Among the crosslinked acrylic acid homopolymers, mention may be made of those crosslinked with allyl alcohol ethers of the sugar series: carbomers, which are homopolymers of acrylic acid crosslinked with allyl ethers of pentaerythritol, sucrose or propylene, such as the products sold under the names Carbopol 980, 981, 954, 2984 and 5984 by the company Lubrizol, or the products sold under the names Synthalen M and Synthalen K by the company 3 VSA.

[0161] (iii) Crosslinked copolymers of (meth)acrylic acid and C1-C6 alkyl acrylates may be chosen, for example, from the crosslinked copolymer of methacrylic acid and ethyl acrylate sold by Coatex under the name Viscoatex 538C as an aqueous dispersion with 38% active material, and the crosslinked copolymer of acrylic acid and ethyl acrylate sold by Rohm & Haas under the name Aculyn 33 as an aqueous dispersion with 28% active material. Crosslinked copolymers of methacrylic acid and ethyl acrylate include the aqueous dispersion sold by NOVEON under the name CARBOPOL AQUA SF-1 with 30% active material.

[0162] (iv) Among the nonionic homo- or copolymers containing ethylenically unsaturated monomers of the ester and / or amide type, mention may be made of the product sold under the name Cynamer P250 by Cytec (polyacrylamide); the product sold under the name PMMA MBX-8C by US Cosmetics (methyl methacrylate / ethylene glycol dimethacrylate copolymer); the product sold under the name Acryloid B66 by Rohm & Haass (butyl methacrylate / methyl methacrylate copolymer); and the product sold under the name BPA 500 by Kobo (polymethyl methacrylate).

[0163] Among the (v) ammonium acrylate homopolymers that may be mentioned is the product sold under the name Microsap PAS 5193 by the company Hoechst.

[0164] Copolymers of ammonium acrylate and acrylamide include those sold by Hoechst under the name Bozepol C Nouveau or the product PAS 5193 (which are described and prepared in FR-2416723, US 2,798,053 and US 2,923,692).

[0165] (vi) Polysaccharides include, for example, glucans, modified and unmodified starches (e.g., from cereals, such as wheat, corn or rice, from vegetables, such as yellow pea, and from tubers, such as potato or cassava), amylose, amylopectin, glycogen, dextran, cellulose and their derivatives (e.g., methylcellulose, hydroxyalkylcellulose, hydroxyethylcellulose and carboxymethylcellulose), mannans, xylans, lignins, arabinose, sorbitol, sorbitols ... The gums are selected from gum arabic, galactan, galacturonan, chitin, chitosan, glucuronoxylan, arabinoxylan, xyloglucan, glucomannan, pectinic acid and pectins, alginic acid and alginates, arabinogalactan, carrageenan, agar, glycosaminoglucan, gum arabic, tragacanth gum, ghatti gum, karaya gum, carob gum, galactomannans such as guar gum and non-ionic derivatives thereof (e.g. hydroxypropyl guar), sclerotium gum and xanthan gum, and mixtures thereof.

[0166] The thickening agent may be present in the bleaching and / or oxidizing composition of the present invention in an amount of from 0.1% to 20% by weight, preferably from 0.5% to 15% by weight, more preferably from 1% to 10% by weight, relative to the total weight of the composition.

[0167] In one embodiment of the present invention, the bleaching composition contains a thickener in an amount of 0.1% by mass to 20% by mass, preferably 0.5% by mass to 15% by mass, and more preferably 1% by mass to 10% by mass, relative to the total mass of the composition.

[0168] In another embodiment of the invention, the oxidizing composition comprises a thickener in an amount of less than or equal to 5% by weight, preferably less than or equal to 3% by weight, more preferably less than or equal to 1% by weight relative to the total weight of the composition.

[0169] - Binder The bleaching and / or oxidizing composition of the present invention may preferably comprise at least one binder. If two or more binders are used, they may be the same or different.

[0170] The type of binder is not particularly limited, and any type of binder can be used as long as the effects of the present invention can be obtained.

[0171] In one embodiment of the present invention, the bleaching composition comprises at least one binder.

[0172] The binder may be a water-soluble polymer.

[0173] Among the water-soluble polymers that may be used in the present invention, mention may be made of: proteins, such as proteins of vegetable origin, for example wheat proteins or soy proteins; proteins of animal origin, for example keratins, such as keratin hydrolysates and sulfonic keratins; acrylic polymers or copolymers, such as polyacrylates or polymethacrylates, vinyl polymers, such as polyvinylpyrrolidone, copolymers of methyl vinyl ether and malic anhydride, copolymers of vinyl acetate and crotonic acid, copolymers of vinylpyrrolidone and vinyl acetate, copolymers of vinylpyrrolidone and caprolactam or polyvinyl alcohol; non-ionic, cationic, amphoteric or non-ionic chitin or chitosan polymers, - glycoaminoglycan, hyaluronic acid and its compounds, - Shellac resin, Sandarac resin, Dammar, Elemis or Gum copal, - deoxyribonucleic acid, and mixtures thereof.

[0174] The binder polymer may be present in a content ranging from 0.1% to 20% by weight, preferably from 0.5% to 15% by weight, more preferably from 1% to 10% by weight, relative to the total weight of the bleaching and / or oxidizing composition, preferably relative to the total weight of the bleaching composition.

[0175] - Filler The bleaching and / or oxidizing composition of the present invention may comprise at least one filler. The filler may be selected from one or more organic and / or inorganic fillers. When two or more fillers are used, they may be the same or different.

[0176] The type of filler is not particularly limited, and any type of filler can be used as long as the effects of the present invention can be obtained.

[0177] In one embodiment of the present invention, the bleaching composition comprises at least one filler.

[0178] The term "fillers" should be understood to mean inorganic or synthetic particles of any shape that are insoluble in the medium of the composition.

[0179] The fillers may be of any shape, regardless of crystalline form (eg lamellar, cubic, hexagonal, orthorhombic, etc.), and may be platelet-shaped, spherical or oblong.

[0180] Among the inorganic fillers that may be mentioned are talc, mica, silica, magnesium aluminum silicate, trimethylsiloxysilicate, kaolin, bentone, calcium carbonate, magnesium hydrogen carbonate, hydroxyapatite, boron nitride, fluorophlogopite, synthetic fluorophlogopite, sericite, calcined talc, calcined mica, calcined sericite, synthetic mica, lauroyl lysine, metallic soaps, bismuth oxychloride, barium sulfate, magnesium carbonate, and mixtures thereof, which may be optionally hydrophilically or hydrophobically treated.

[0181] As organic fillers there may be mentioned (meth)acrylic or (meth)acrylate powders, such as polymethyl methacrylate powder; polyacrylonitrile powder; organopolysiloxane powder, polyamide powder, poly-β-alanine powder and polyethylene powder, polytetrafluoroethylene powder, lauroyl lysine, rice or corn starch, such as corn starch: INCI name: Zea Mays (corn) starch, tetrafluoroethylene polymer powder, hollow polymer microspheres, such as (alkyl)acrylates, metal soaps derived from organic carboxylic acids containing 8 to 22 carbon atoms, such as zinc stearate, magnesium stearate, lithium stearate, zinc laurate, magnesium myristate, silicone powders, such as silicone resin powders, polyorganosilsesquioxane powders, vinyl dimethicone / methicone silsesquioxane cross-polymer powders and polymethylsilsesquioxane powders, polyurethane powders, carnauba microwax, synthetic microwaxes, polyamide powders, such as "Nylon "Nylon 12" or "Nylon 6", as well as mixtures thereof.

[0182] The filler may be present in a content ranging from 0.1% to 20% by mass, preferably from 0.5% to 15% by mass, more preferably from 1% to 10% by mass, relative to the total mass of the composition, preferably relative to the total mass of the bleaching composition.

[0183] - Adjuvant The adjuvants may be selected from the group consisting of organic solvents, particularly water-soluble organic solvents; cationic, anionic, nonionic or amphoteric polymers; penetrating agents; suspending agents; chelating or sequestering agents; buffers; opacifying agents; dyes; pigments; fragrances; alkaline or acidic pH adjusters; antioxidants or preservatives; stabilizers; and mixtures thereof.

[0184] Process (ii) Step (ii) is the step of applying the treatment composition obtained in step (i) to the hair.

[0185] Application of the treatment composition to the hair can be carried out by any conventional means, such as applicators, for example, hands, brushes, and combs.

[0186] In one particular embodiment of the invention, application of the treatment composition to the hair may be carried out by immersing the hair in the treatment composition.

[0187] In a preferred embodiment, the treatment composition is applied to the hair in one step, meaning that the bleaching active and the hydrogen peroxide are applied to the hair simultaneously in one step.

[0188] Process (iii) Step (iii) is the application of ultrasound to the hair.

[0189] The application of ultrasound to the hair is carried out after step (ii), i.e. after the bleaching composition and the oxidizing composition have been contacted and mixed. This means that the ultrasonic treatment is carried out while the hair is in contact with the bleaching composition and the oxidizing composition. In other words, ultrasound is applied to the hair in the presence of the bleaching composition and the oxidizing composition.

[0190] The conditions for the ultrasonic treatment in step (iii) are not particularly limited, but in general, the wavelength of the ultrasonic waves is 25 kHz to 100 kHz, preferably 27 kHz to 75 kHz, and more preferably 30 kHz to 50 kHz.

[0191] The ultrasonic treatment in step (iii) can be carried out for a certain amount of time to promote the bleaching reaction in the hair to achieve the desired light color. The duration of the ultrasonic treatment carried out in step (iii) is not particularly limited, but is generally 10 minutes to 40 minutes, preferably 12 minutes to 35 minutes. The ultrasonic treatment in step (iii) can be carried out intermittently or continuously.

[0192] The application of ultrasound to the hair may be carried out at a temperature below 40° C., preferably below 35° C. This means that the temperature of the mixture of the bleaching composition and the oxidizing composition in step (iii) may be below 40° C., preferably below 35° C.

[0193] Step (iii) may be followed by the additional steps of rinsing, washing and / or drying the hair. EXAMPLES

[0194] The present invention will now be described in more detail by way of examples. However, these examples should not be construed as limiting the scope of the present invention.

[0195] [Preparation] (Decolorizing composition) Bleaching compositions 1 and 2 were prepared by mixing the ingredients listed in Table 1 below at room temperature. Specifically, the bleaching compositions 1 and 2 were prepared by first mixing the persulfate and the alkaline agent, then adding and mixing the thickener and surfactant, then adding and mixing the chelating agent and pigment. Finally, the filler and binder were added to the mixture and mixed to prepare the composition. All values ​​for the amounts of ingredients shown in Table 1 are based on the "wt %" of the active ingredient. The pH value of each of the bleaching compositions was measured using an aqueous solution containing 1% of the bleaching composition.

[0196] [Table 1]

[0197] (Oxidizing composition) Oxidizing compositions 1-4 were prepared by mixing the ingredients listed in Table 2 below at room temperature. Specifically, Oxidizing compositions 1 and 2 were prepared according to the following protocol. First, the chelating agent and preservative were dissolved in hot deionized water at 80°C to prepare the aqueous phase, and in a separate beaker, the surfactant and fatty compound were mixed at 80°C or less to prepare the oil phase. The oil phase was then added to the aqueous phase, and the mixture was emulsified for 10 minutes until it was homogenous. After the mixture was cooled to room temperature, hydrogen peroxide was added, then the pH was adjusted, and the remaining water was added to prepare the composition. For Oxidizing composition 3, the thickener was dissolved in the aqueous phase at room temperature, and then hydrogen peroxide was added to prepare the composition. For Oxidizing composition 4, hydrogen peroxide was dissolved in the aqueous phase at room temperature to prepare the composition. All values ​​for the amounts of ingredients shown in Table 2 are based on the "wt%" of the active ingredients.

[0198] The viscosity of each of the oxidizing compositions was measured at room temperature using a VISCOMETRON (trademark) viscometer (VDA Type manufactured by Shibaura Machine Co., Ltd.). Viscosity (mPa.s -1 ) was calculated using rotor number 2. Viscosity was measured three times and the average data was used.

[0199] [Table 2]

[0200] (Examples 1 to 5 and Comparative Examples 1 and 2) (Examples 1 to 5) A Japanese black hair tress (1 g, 27 cm) was washed with a conventional shampoo, rinsed with running tap water at 40°C, and then dried. 3.33 g of the bleaching composition was mixed with 6.66 g of the oxidizing composition in a beaker using a spatula to obtain a treatment composition. The hair tress was then immersed in the treatment composition and ultrasonic treatment (38 kHz, 80 W) was started in a water bath at 25°C. At 8.5 and 15 minutes after the start of ultrasonic treatment, the tress was mixed with a spatula. The temperature of the composition in the beaker was kept below 33°C. After 17 or 30 minutes, the tress was removed, rinsed, washed with a conventional shampoo, rinsed again with tap water at 40°C, and then dried.

[0201] (Comparative Examples 1 and 2) The decolorization method was the same as in Examples 1 to 5, except that ultrasonic irradiation was not performed.

[0202] [evaluation] (Bleaching properties) The color difference of each of the bleached hair bundles according to Examples 1 to 5 and Comparative Examples 1 and 2 before and after the bleaching method was measured using a Konica Minolta Spectrophotometer CM-3600A in terms of colorimetric value (L * , a * , b * , brightness / green-red / blue-yellow). * (ΔL * a * b Between the bundles before and after treatment of the bleaching method under the system) was calculated. ΔL * The larger the ΔL, the brighter the color. * exhibits improved color lift characteristics.

[0203] (Tensile measurement) The tensile properties of each bleached hair tress were examined to evaluate the integrity of the treated hair and the level of hair damage by the method. The breaking stress (Mpa) and the breaking modulus (Mpa) were measured using an Extensometer Dia-Stron (MTT 670-UV Win SOFTWARE). The length of the measured hair samples was 10 cm taken from the center of the fiber. Measurements were carried out on 50 hairs for each sample in wet conditions and the average value was calculated.

[0204] The examples and results are summarized in Table 3, in which "bleaching composition" and "oxidizing composition" represent the number of these compositions.

[0205] [Table 3]

[0206] As can be seen from Table 3, comparing Example 1 and Comparative Example 1, the hair tresses treated with the method according to Example 1 using ultrasonic treatment could exhibit significantly brighter color and higher tensile properties than those of Comparative Example 1 without the ultrasonic treatment step. Therefore, the method according to Example 1 provided a greater color lifting effect than Comparative Example 1, and caused less damage on the hair.

[0207] Comparing Example 2 and Comparative Example 2, the hair strands treated with the method according to Example 2 using ultrasonic treatment can show significantly brighter color than that of Comparative Example 2 without ultrasonic treatment step. In addition, they show comparable tensile properties. Therefore, the method according to Example 2 brings about a larger color lift effect than Comparative Example 2.

[0208] Comparing Example 1 and Comparative Example 2, the hair tress treated with the method according to Example 1 using an oxidizing composition 1 containing 6% by weight of hydrogen peroxide showed a brightness comparable to that treated with the method according to Comparative Example 2 using an oxidizing composition 2 containing 9% by weight of hydrogen peroxide. Thus, Example 1 of the present invention was able to achieve the same level of color lifting effect as Comparative Example 2 with a smaller amount of hydrogen peroxide.

[0209] In addition, comparing Example 3 with Comparative Example 2, the hair tresses treated with the method according to Example 3, including 17 minutes of ultrasonic treatment, showed a brightness comparable to that treated with the method according to Comparative Example 2, including 30 minutes of treatment with the bleaching composition and the oxidizing composition. Thus, Example 3 of the present invention was able to achieve the same level of color lifting effect as Comparative Example 2 in a shorter time.

[0210] Comparing Example 4 and Example 5, the hair tresses treated with the method according to Example 5 using oxidizing composition 4 with a viscosity of 1.6 mPa·s (mixture viscosity: 34,925 mPa.s) exhibited a lighter color than that of Example 4 using oxidizing composition 3 with a viscosity of 7,700 mPa·s (mixture viscosity 45,375 mPa.s). It was therefore surprisingly discovered that a low viscosity mixture for bleaching treatment can provide a better color lift effect.

[0211] Accordingly, it can be concluded that the method according to the invention is remarkably effective for bleaching and / or lightening hair.

Claims

1. 1. A method for bleaching and / or lightening hair, comprising: (i) mixing a bleaching composition comprising at least one hydrogen peroxide generating system other than an enzyme with an oxidizing composition comprising hydrogen peroxide to prepare a treatment composition; (ii) applying a treatment composition to the hair; (iii) applying ultrasound to the hair; A method comprising:

2. The method of claim 1, wherein the hydrogen peroxide generating system in the bleaching composition is selected from peroxygen salts.

3. 3. The method of claim 2, wherein the peroxygenated salt is selected from persulfates, perborates, peracid salts, and percarbonates of alkali or alkaline earth metals, and combinations thereof.

4. The method of claim 1, wherein the bleaching composition is in the form of a powder or paste.

5. 10. The method of claim 1, wherein the oxidizing composition has a viscosity of less than 100 Pa s at 25°C.

6. 10. The method of claim 1, wherein the oxidizing composition comprises hydrogen peroxide in an amount of 0.5% to 12% by weight, based on the total weight of the composition.

7. 2. The method of claim 1, wherein the wavelength of the ultrasound is 25 kHz to 100 kHz.

8. 10. The method of claim 1, wherein ultrasound is applied to the hair in step (iii) for 10 to 40 minutes.

9. 10. The method of claim 1, wherein the ultrasound is applied to the hair at a temperature of less than 40°C.

10. 2. The method of claim 1, wherein ultrasound is applied to the hair in step (iii) intermittently or continuously.

11. The method of claim 1 , wherein the bleaching composition comprises at least one alkaline agent.

12. 2. The method of claim 1, wherein the weight ratio of the total bleaching composition to the oxidizing composition is from 10:1 to 1:

10.

13. The method according to claim 1, wherein the bleaching composition comprises a hydrogen peroxide generating system in an amount of 10% to 80% by weight, based on the total weight of the composition.

14. The method of claim 1, wherein the bleaching composition contains water in an amount of 20% by weight or less, based on the total weight of the composition, or the bleaching composition is free of water.

15. The method of claim 1, wherein the oxidizing composition comprises water in an amount of 30% to 99% by weight, based on the total weight of the composition.