Hairdressing composition

Abstract

To provide a hairdressing composition that balances improved hairdressing performance with superior spreadability of the composition.SOLUTION: A hairdressing composition contains (A) silica, (B) volatile silicone, and (C) wax that is in solid or paste form at 25°C, where the mass ratio of the content of the (B) volatile silicone to the content of the (A) silica (B / A) is 5 or more.SELECTED DRAWING: None

Description

[Technical field]

[0001] The present invention relates to a hair styling composition that can achieve both improved hair styling properties and good spreadability of the composition. [Background technology]

[0002] Generally, hair styling compositions containing a wax that is solid or pasty at 25°C as a hair styling component are known. A hair styling composition disclosed in Patent Document 1 has been known so far. Patent Document 1 discloses an oil-based hair cosmetic composition that contains a wax that is solid or semi-solid at 25°C, a volatile hydrocarbon, silica, and the like. The volatile hydrocarbon improves the spread of the composition. In addition, the silica improves the hair styling retention. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2023-67643 A Summary of the Invention [Problem to be solved by the invention]

[0004] However, in conventional hair styling compositions, when the amount of volatile hydrocarbon is increased, the hair styling properties may be reduced. On the other hand, when the content of silica is increased, the spreadability of the composition may be reduced. In general, there is a trade-off between the improvement of hair styling properties and the spreadability of the composition, and it is not easy to achieve both of them in a favorable manner. [Means for solving the problem]

[0005] The present invention is based on the discovery that a hair styling composition containing silica, volatile silicone, and a wax that is solid or pasty at 25° C. and specifying the mass ratio of the volatile silicone content to the silica content within a specific range can achieve both improved hair styling properties and good spreadability of the composition. The mass % values ​​indicating the content of components are values ​​in a formulation that includes a solubilizer such as water.

[0006] Various aspects for solving the above problems will be described below. The hair styling composition of Aspect 1 contains (A) silica, (B) a volatile silicone, and (C) a wax that is solid or pasty at 25°C, and the mass ratio (B / A) of the content of the volatile silicone (B) to the content of the silica (A) is 5 or more.

[0007] Aspect 2 is the hair styling composition according to aspect 1, wherein the silica (A) is hydrophilic silica. Aspect 3 is the hair styling composition according to Aspect 1 or 2, in which the volatile silicone (B) is a volatile dimethicone.

[0008] A fourth aspect of the present invention relates to a hair styling composition according to any one of the first to third aspects, which further contains (D) a volatile hydrocarbon. A fifth aspect is the hair styling composition according to any one of the first to fourth aspects, further comprising (E) a polyhydric alcohol.

[0009] A sixth aspect is the hair styling composition according to the first aspect, which further contains at least one ester oil (F) selected from monoester oils and diester oils. Aspect 7 is the hair styling composition according to Aspect 1 or 6, further comprising (G) a carbomer.

[0010] In an eighth aspect, in the hair styling composition according to any one of the first, sixth, and seventh aspects, the silica (A) is hydrophobic silica. A ninth aspect is the hair styling composition according to any one of the first and sixth to eighth aspects, further comprising a clay mineral (H).

[0011] In a tenth aspect, in the hair styling composition according to the ninth aspect, the clay mineral (H) is kaolin. Effect of the Invention

[0012] The hair styling composition of the present invention can achieve both improved hair styling properties and good spreadability of the composition. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0013] An embodiment of the hair styling composition of the present invention will be described below. The hair styling composition of this embodiment contains (A) silica, (B) volatile silicone, and (C) wax that is solid or pasty at 25° C. If necessary, the hair styling composition of this embodiment may contain (D) volatile hydrocarbon, (E) polyhydric alcohol, (F) at least one ester oil selected from monoester type oils and diester type oils, (G) carbomer, and (H) clay mineral.

[0014] ((A) Silica) (A) Silica is particulate silica (SiO2), also called silicic anhydride. It may be either hydrophilic silica having a silanol group on the silica surface or hydrophobic silica having a hydrophobic functional group on the surface. Examples of hydrophobic silica include hydrophobic silica having a dimethylsilyl group, trimethylsilyl group, alkylsilyl group, methacrylsilyl group, etc. added to the silica surface, and hydrophobic silica treated with dimethylpolysiloxane. It may be either wet silica or dry silica. Hydrophilic silica is preferred from the viewpoint of preventing the loss of moist feeling. Hydrophobic silica is preferred when improving dry feeling, airy feeling, etc.

[0015] (A) Specific surface area of ​​silica (m 2 The lower limit of the molecular weight (Mg) (BET method) is set appropriately, but is preferably 50 m 2 / g or more. (A) Specific surface area of ​​silica (m 2 The upper limit of the molecular weight per unit area (g) (BET method) is set appropriately, but is preferably 300 m 2 / g or less.

[0016] (A) Silica can be a commercially available product. Examples of commercially available hydrophilic silica include those having a specific surface area (m 2 Examples of such silicone rubbers include AEROSIL (registered trademark) OX50, 50, 90G, 130, 150, 200, 300, and 380 manufactured by Nippon Aerosil Co., Ltd., HDK (registered trademark) V15, N20, T30, and T40 manufactured by Wacker Asahi Kasei Silicones, and Sunsphere (registered trademark) H-31, H-51, H-121, H-201, H-32, H-52, H-122, H-33, and H-53 manufactured by AGC Si-Tech Co., Ltd., which are standardized by a 100% polyester / g (BET method) method and the like.

[0017] Commercially available hydrophobic silica products include, for example, dimethylsiloxylated silicic anhydride: AEROSIL (registered trademark) R972, R974, R976, etc., manufactured by Nippon Aerosil Co., Ltd.; trimethylsiloxylated silicic anhydride: AEROSIL (registered trademark) RX50, NAX50, NX90G, NX130, RX200, RX300, etc., manufactured by Nippon Aerosil Co., Ltd.; dimethylpolysiloxane-treated silicic anhydride: AEROSIL (registered trademark) manufactured by Nippon Aerosil Co., Ltd. Examples of suitable silicic anhydrides include RY50, NY50, RY200S, R202, RY200, RY300, etc.; alkylsiloxylated silicic anhydrides: AEROSIL (registered trademark) R805 manufactured by Nippon Aerosil Co., Ltd.; methacrylicsiloxylated silicic anhydrides: AEROSIL (registered trademark) RM50, R711, etc. manufactured by Nippon Aerosil Co., Ltd.; and other examples include HDK (registered trademark) H15, H18, H20, H30, H2000, etc. manufactured by Wacker Asahi Kasei Silicones.

[0018] These (A) silicas may be used alone or in combination of two or more. The lower limit of the content of (A) silica in the hair styling composition is appropriately set, but is preferably 0.01% by mass or more, more preferably 0.02% by mass or more. When the content of (A) silica is 0.01% by mass or more, the hair styling properties can be further improved. On the other hand, the upper limit of the content of (A) silica is appropriately set, but is preferably 10% by mass or less, more preferably 5% by mass or less. When the content of (A) silica is 10% by mass or less, the spreadability of the composition can be further improved. In addition, the moist feeling of the hair to which the composition is applied can be improved. Note that ranges in which the above upper and lower limits are arbitrarily combined are also envisioned.

[0019] When hydrophilic silica is used as (A) silica, the lower limit of the content of hydrophilic silica in the hair styling composition is appropriately set, but is preferably 0.01% by mass or more, preferably 0.02% by mass or more. When the content of hydrophilic silica is 0.01% by mass or more, in addition to improving hair styling properties, moisturizing feeling is not easily lost. On the other hand, the upper limit of the content of hydrophilic silica is appropriately set, but is preferably 5% by mass or less, more preferably 2% by mass or less. When the content of hydrophilic silica is 5% by mass or less, the spread of the composition can be further improved. In addition, the moisturizing feeling of the hair to which the composition is applied is not easily lost. In addition, a range in which the above upper and lower limits are arbitrarily combined is also assumed.

[0020] When hydrophobic silica is used as (A) silica, the lower limit of the content of hydrophobic silica in the hair styling composition is appropriately set, but is preferably 0.1% by mass or more, preferably 0.2% by mass or more. When the content of hydrophobic silica is 0.1% by mass or more, it is possible to improve the dry feeling, airy feeling, etc. in addition to improving the hair styling properties. On the other hand, the upper limit of the content of such hydrophobic silica is appropriately set, but is preferably 10% by mass or less, more preferably 5% by mass or less. When the content of hydrophobic silica is 10% by mass or less, it is possible to further improve the spreadability of the composition. It should be noted that a range obtained by arbitrarily combining the above upper and lower limits is also envisioned.

[0021] ((B) Volatile silicone) The (B) volatile silicone is blended in the hair styling composition to improve the spread of the composition. It also improves the fine bundle feel of the hair to which the hair styling composition is applied. The (B) volatile silicone is a silicone oil that is volatile at 25°C. The silicone oil may be any of cyclic silicone, branched silicone, and dimethicone (straight silicone). Specific examples of branched silicone or dimethicone include, for example, methyltrimethicone, ethyltrisiloxane, trisiloxane, octamethyltrisiloxane, decamethyltetrasiloxane, and silicone oils having a viscosity of 0.1 to 2.0 mm at 25°C. 2 Examples of cyclic silicones include decamethylcyclopentasiloxane, octamethylcyclotetrasiloxane, and dodecamethylcyclohexasiloxane. Examples of commercially available products of these include KF-96A-1cs, KF-96L-1.5cs, KF-96L-2cs, KF-995, TMF-1.5, and KF-4422 manufactured by Shin-Etsu Chemical Co., Ltd., SH244, SH344, SH245, DC345, DC246, SH200C-1cs, SH200C-1.5cs, and SH200C-2cs manufactured by Toray Dow Corning Silicone Co., Ltd., and TSF404, TSF405, TSF4045, TSF451-1A, and TSF451-1.5A manufactured by Momentive Performance Materials Japan Co., Ltd.

[0022] These volatile silicones (B) may be used alone or in combination of two or more kinds. When volatile dimethicone is used as the volatile silicone (B), it is preferable to use hydrophilic silica as the silica (A). In this case, it is possible to simultaneously achieve improved hair styling properties, reduced stickiness, and improved moisturizing effect.

[0023] When dimethicone having volatility is used as the volatile silicone (B), the lower limit of the dynamic viscosity of the dimethicone having volatility is appropriately set, but is preferably 0.1 mm. 2 The upper limit of the kinetic viscosity is set appropriately, but is preferably 2.0 mm2 / s or less.

[0024] When a volatile cyclic silicone is used as the volatile silicone (B), it is preferable to use a hydrophobic silica as the silica (A). In this case, it is possible to simultaneously achieve an improvement in hair styling properties, a reduction in stickiness, and an improvement in dryness and airiness. In addition, decamethylcyclopentasiloxane is preferable as the volatile cyclic silicone.

[0025] The lower limit of the content of the volatile silicone (B) in the hair styling composition is appropriately set, but is preferably 0.5% by mass or more, more preferably 1% by mass or more. When the content of the volatile silicone (B) is 0.5% by mass or more, the spreadability of the composition can be further improved. On the other hand, the upper limit of the content of the volatile silicone (B) is appropriately set, but is preferably 40% by mass or less, more preferably 30% by mass or less. When the content of the volatile silicone (B) is 40% by mass or less, the hair styling properties can be further improved. Any combination of the above upper and lower limits is also envisaged.

[0026] When volatile dimethicone is used as the (B) volatile silicone, the lower limit of the content of volatile dimethicone in the hair styling composition is appropriately set, but is preferably 0.5% by mass or more, more preferably 1% by mass or more. When the content of volatile dimethicone is 0.5% by mass or more, the spread of the composition can be further improved. On the other hand, the upper limit of the content of such volatile dimethicone is appropriately set, but is preferably 20% by mass or less, more preferably 15% by mass or less. When the content of volatile dimethicone is 20% by mass or less, the hair styling property can be further improved. In addition, a range in which the above upper and lower limits are arbitrarily combined is also assumed.

[0027] When a volatile cyclic silicone is used as the (B) volatile silicone, the lower limit of the content of the volatile cyclic silicone in the hair styling composition is appropriately set, but is preferably 1% by mass or more, more preferably 5% by mass or more. When the content of the volatile cyclic silicone is 1% by mass or more, the spread of the composition can be further improved. On the other hand, the upper limit of the content of the volatile cyclic silicone is appropriately set, but is preferably 40% by mass or less, more preferably 30% by mass or less. When the content of the volatile cyclic silicone is 40% by mass or less, the hair styling property can be further improved. In addition, a range in which the above upper and lower limits are arbitrarily combined is also envisaged.

[0028] In the hair styling composition, the lower limit of the mass ratio (B / A) of the content of the volatile silicone (B) to the content of the silica (A) is 5 or more, preferably 7 or more, and more preferably 10 or more. By making the mass ratio 5 or more, the spreadability of the composition can be improved. On the other hand, the upper limit of the mass ratio (B / A) of the content of the volatile silicone (B) to the content of the silica (A) is appropriately set, but is preferably 200 or less, more preferably 150 or less. By making the mass ratio 200 or less, the hair styling properties can be further improved. Note that ranges in which the above upper and lower limits are arbitrarily combined are also envisioned.

[0029] ((C) Wax that is solid or paste-like at 25°C) (C) A wax that is solid or paste-like at 25° C. is blended into the hair styling composition to improve hair styling properties. Specific examples of component (C) include beeswax, candelilla wax, carnauba wax, Japan wax, Japanese privet wax, rice bran wax, montan wax, shellac, paraffin wax, microcrystalline wax, lanolin, and reduced lanolin.

[0030] Among these, candelilla wax and microcrystalline wax are preferred from the viewpoint of improving hair styling properties, and carnauba wax is preferred from the viewpoint of improving dry feeling.

[0031] These components (C) may be used alone or in combination of two or more. The lower limit of the content of the component (C) in the hair styling composition is set appropriately, but is preferably 5% by mass or more, more preferably 10% by mass or more. When the content of the component (C) is 5% by mass or more, the hair styling properties can be further improved. On the other hand, the upper limit of the content of the component (C) is set appropriately, but is preferably 40% by mass or less, more preferably 30% by mass or less. When the content of the component (C) is 40% by mass or less, the spreadability of the composition can be further improved. Note that ranges that combine the above upper and lower limits in any way are also envisioned.

[0032] When carnauba wax is blended as component (C), the lower limit of the content of carnauba wax in the hair styling composition is appropriately set, but is preferably 0.5% by mass or more, more preferably 1% by mass or more, and even more preferably 2% by mass or more. When the content of carnauba wax is 0.5% by mass or more, the dry feeling and the like can be further improved. On the other hand, the upper limit of the content of carnauba wax is appropriately set, but is preferably 20% by mass or less, more preferably 10% by mass or less. When the content of carnauba wax is 20% by mass or less, the spread of the composition can be further improved. In addition, the airy feeling and the like can be further improved. Note that a range in which the above upper and lower limits are arbitrarily combined is also envisaged.

[0033] (D) Volatile Hydrocarbons The (D) volatile hydrocarbon is blended in the hair styling composition to further improve the spread of the composition. Specific examples of the (D) volatile hydrocarbon include low-boiling point isoparaffinic hydrocarbons, particularly isoparaffinic hydrocarbons having a boiling point of 60 to 260°C. The number of carbon atoms in the isoparaffinic hydrocarbon is about 8 to 18. Specific examples of the (D) volatile hydrocarbon include hydrogenated polyisobutene, hydrogenated polydecene, isododecane, light isoparaffin, light liquid isoparaffin, liquid isoparaffin, (C13-15) alkanes, and α-olefin oligomers. Among these, hydrogenated polyisobutene, light isoparaffin, and light liquid isoparaffin are preferred from the viewpoint of excellent action of improving the spread of the composition.

[0034] These volatile hydrocarbons (D) may be used alone or in combination of two or more kinds. When the (D) volatile hydrocarbon is incorporated in the hair styling composition, it is preferable to use the (A) silica in combination with hydrophilic silica, which can simultaneously improve hair styling properties, reduce stickiness, and improve moisturizing feeling.

[0035] The lower limit of the content of the volatile hydrocarbons (D) in the hair styling composition is set as appropriate, but is preferably 1% by mass or more, more preferably 5% by mass or more. When the content of the volatile hydrocarbons (D) is 1% by mass or more, the spreadability of the composition can be further improved. On the other hand, the upper limit of the content of the volatile hydrocarbons (D) is set as appropriate, but is preferably 30% by mass or less, more preferably 20% by mass or less. When the content of the volatile hydrocarbons (D) is 30% by mass or less, the hair styling properties can be further improved. Any combination of the above upper and lower limits is also envisaged.

[0036] ((E) Polyhydric alcohol) The incorporation of (E) polyhydric alcohol in the hair styling composition improves the moisturizing feel of the hair to which the hair styling composition is applied. (E) polyhydric alcohols include, for example, glycol and glycerin. Specific examples of glycols include, for example, ethylene glycol, diethylene glycol, triethylene glycol, polyethylene glycol, highly polymerized polyethylene glycol, propylene glycol, dipropylene glycol, polypropylene glycol, isoprene glycol, and 1,3-butylene glycol. Specific examples of glycerin include, for example, glycerin, diglycerin, and polyglycerin.

[0037] Among these, from the viewpoint of excellent effects of improving moist feeling and fine bundle feeling, 1,3-butylene glycol, glycerin, and polyethylene glycol are preferred, and 1,3-butylene glycol is particularly preferred.

[0038] These (E) polyhydric alcohols may be used alone or in combination of two or more kinds. The lower limit of the content of the (E) polyhydric alcohol in the hair styling composition is appropriately set, but is preferably 0.1% by mass or more, more preferably 1% by mass or more. When the content of the (E) polyhydric alcohol is 0.1% by mass or more, the moisturizing feeling can be further improved. On the other hand, the upper limit of the content of the (E) polyhydric alcohol is appropriately set, but is preferably 20% by mass or less, more preferably 10% by mass or less. When the content of the (E) polyhydric alcohol is 20% by mass or less, the hair styling property can be further improved. Note that ranges that combine the above upper and lower limits in any way are also envisioned.

[0039] ((F) Ester oil) The (F) ester oil is at least one selected from monoester type oils and diester type oils. The (F) ester oil is blended into the hair styling composition to improve the spread of the composition. In particular, the monoester type oil is blended into the hair styling composition to improve the moist feeling of the hair to which the hair styling composition is applied. In particular, the diester type oil is blended into the hair styling composition to improve the dry feeling of the hair to which the hair styling composition is applied. The fatty acid that is the raw material of the ester oil is not particularly limited in terms of its carbon number, the presence or absence of branching, the valence, etc., and may be, for example, a higher fatty acid, a fatty acid having a cyclo ring, or a fatty acid having an aromatic ring. The alcohol that is the raw material of the ester oil is not particularly limited in terms of its carbon number, the presence or absence of branching, the valence, etc., and may be, for example, a higher alcohol, an alcohol having a cyclo ring, or an alcohol having an aromatic ring.

[0040] As the monoester type oil agent, esters of monocarboxylic acid and monohydric alcohol are preferable.Specific examples of the monoester type oil agent include isopropyl myristate, cetyl octanoate, isononyl isononanoate, octyldodecyl myristate, isopropyl palmitate, ethylhexyl palmitate, stearyl stearate, myristyl myristate, isotridecyl myristate, 2-ethylhexyl palmitate, octyldodecyl ricinoleate, cholesteryl / lanosteryl fatty acid having 10 to 30 carbon atoms, cetyl lactate, lanolin acetate, pentaerythritol mono fatty acid ester, cetyl caprate, cetyl 2-ethylhexanoate, hydrogenated castor oil isostearate, etc.

[0041] Of these, isopropyl myristate, isopropyl palmitate, ethylhexyl palmitate, isononyl isononanoate, and cetyl 2-ethylhexanoate are preferred, with ethylhexyl palmitate being particularly preferred.

[0042] As the diester type oil, a diester of a polyvalent carboxylic acid and a monohydric alcohol, or a diester of a monocarboxylic acid and a polyhydric alcohol is preferable. Specific examples of the diester type oil include diisopropyl adipate, ethylene glycol di-2-ethylhexanoate, pentaerythritol difatty acid ester, diisostearyl malate, dioctyl succinate, and diethylhexyl succinate.

[0043] Of these, diisopropyl adipate and diethylhexyl succinate are preferred, with diethylhexyl succinate being particularly preferred. These (F) ester oils may be used alone or in combination of two or more.

[0044] When a monoester type oil is used as the (F) ester oil, it is preferable to use it in combination with hydrophilic silica as the (A) silica, which can simultaneously improve hair styling properties, reduce stickiness, and improve moisturizing feeling.

[0045] When a diester type oil is used as the (F) ester oil, it is preferable to use it in combination with hydrophobic silica as the (A) silica, which can simultaneously improve hair styling properties, reduce stickiness, and improve the dry and airy feel.

[0046] The lower limit of the content of the (F) ester oil in the hair styling composition is appropriately set, but is preferably 1% by mass or more, more preferably 2% by mass or more. When the content of the (F) ester oil is 1% by mass or more, the spreadability of the composition can be further improved. On the other hand, the upper limit of the content of the (F) ester oil is appropriately set, but is preferably 20% by mass or less, more preferably 15% by mass or less. When the content of the (F) ester oil is 20% by mass or less, the dry feeling and moist feeling can be further improved. Note that ranges that combine the above upper and lower limits in any way are also envisioned.

[0047] When a monoester type oil is used as the (F) ester oil, the lower limit of the content of the monoester type oil in the hair styling composition is appropriately set, but is preferably 1% by mass or more, more preferably 2% by mass or more. When the content of the monoester type oil is 1% by mass or more, the spreadability and moisturizing feeling of the composition can be further improved. On the other hand, the upper limit of the content of the monoester type oil is appropriately set, but is preferably 20% by mass or less, more preferably 10% by mass or less. When the content of the monoester type oil is 20% by mass or less, the hair styling properties can be further improved. Note that ranges in which the above upper and lower limits are arbitrarily combined are also envisaged.

[0048] When a diester type oil is used as the (F) ester oil, the lower limit of the content of the diester type oil in the hair styling composition is appropriately set, but is preferably 1% by mass or more, more preferably 2% by mass or more. When the content of the diester type oil is 1% by mass or more, the spread of the composition can be further improved. On the other hand, the upper limit of the content of the diester type oil is appropriately set, but is preferably 20% by mass or less, more preferably 15% by mass or less. When the content of the diester type oil is 20% by mass or less, the dry feeling and airy feeling of the hair to which the hair styling composition is applied can be improved. Note that ranges in which the above upper and lower limits are arbitrarily combined are also envisaged.

[0049] ((G) Carbomer) (G) Carbomer is incorporated into the hair styling composition to improve the spreadability of the composition.

[0050] The lower limit of the content of (G) carbomer in the hair styling composition is appropriately set, but is preferably 0.01% by mass or more, more preferably 0.05% by mass or more. When the content of (G) carbomer is 0.01% by mass or more, the spreadability of the composition can be further improved. On the other hand, the upper limit of the content of (G) carbomer is appropriately set, but is preferably 5% by mass or less, more preferably 2% by mass or less. When the content of (G) carbomer is 5% by mass or less, the flowability of the composition can be improved. Note that ranges in which the above upper and lower limits are arbitrarily combined are also envisaged.

[0051] ((H) Clay Minerals) (H) The incorporation of a clay mineral in the hair styling composition improves the dryness and airiness of the hair to which the hair styling composition is applied. It also improves the hair styling properties. The clay mineral may be either an amorphous clay mineral or a crystalline clay mineral. Examples of amorphous clay minerals include allophane, imogolite, and hisingerite. Examples of crystalline clay minerals include kaolinite clay minerals, smectite clay minerals, serpentine minerals, chlorite, mica clay minerals, talc, and vermiculite clay minerals.

[0052] Specific examples of kaolinite clay minerals include kaolin, nacreite, dicyanite, halloyite, etc. Specific examples of smectite clay minerals include hectorite, bentonite, montmorillonite, nontronite, saponite, etc. Specific examples of mica clay minerals include mica, biotite, muscovite, glauconite, illite, etc.

[0053] Among these, kaolin is preferred from the viewpoint of excellent effects of improving dryness and airiness. These clay minerals (H) may be used alone or in combination of two or more.

[0054] The lower limit of the content of the clay mineral (H) in the hair styling composition is set appropriately, but is preferably 0.1% by mass or more, more preferably 0.5% by mass or more. When the content of the clay mineral (H) is 0.1% by mass or more, the dry feeling and the like can be further improved. On the other hand, the upper limit of the content of the clay mineral (H) is set appropriately, but is preferably 10% by mass or less, more preferably 5% by mass or less. When the content of the clay mineral (H) is 10% by mass or less, the spreadability of the composition can be further improved. Note that ranges that combine the above upper and lower limits in any way are also envisioned.

[0055] (Other ingredients) The hair styling composition may further contain components other than the above-mentioned components, as necessary, within ranges that do not impair the effects of the present invention, such as solubilizers other than those mentioned above, setting resins, thickeners, oily components, surfactants, chelating agents, pH adjusters, moisturizers, preservatives, stabilizers, plant extracts, herbal extracts, sugars, amino acids, vitamins, fragrances, antioxidants, ultraviolet absorbers, pigments, etc.

[0056] The solubilizer other than the above is blended, for example, to adjust the properties of the hair styling composition. Examples of the solubilizer used include water and organic solvents (solvents). Specific examples of the organic solvent include monohydric lower alcohols, monohydric alcohols having 4 to 8 carbon atoms, and ethylene glycol alkyl ethers. Specific examples of the monohydric lower alcohols include methanol, ethanol, propanol, and isopropanol. Specific examples of the monohydric alcohols having 4 to 8 carbon atoms include n-butanol, isobutanol, n-pentanol, n-hexanol, n-heptanol, and n-octanol. Specific examples of the ethylene glycol alkyl ethers include diethylene glycol monoethyl ether (ethyl carbitol), ethylene glycol mono n-butyl ether, and the like. These solubilizers may be used alone or in combination of two or more. When water is used as the solvent, the content of water in the hair styling composition (content at the time of use) is preferably 20% by mass or more, more preferably 30% by mass or more.

[0057] Specific examples of set resins include polyvinylpyrrolidone, vinyl acetate / vinylpyrrolidone copolymer, (alkyl acrylate / diacetone acrylamide) copolymer AMP, acrylic resin alkanolamine [(alkyl acrylate / diacetone acrylamide) copolymer AMP, etc.], (meth)alkyl acrylate copolymer, vinylpyrrolidone / methacrylamide / vinylimidazole copolymer, N-methacryloyloxyethyl-N,N-dimethylammonium-N-methylcarboxybetaine / alkyl methacrylate copolymer, polyurethane-14, and the like.

[0058] These set resins may be contained alone or in combination of two or more. Specific examples of thickeners include carboxyethyl cellulose, xanthan gum, (dimethylacrylamide / ethyltrimonium chloride methacrylate) copolymer, carboxymethyl cellulose, hydroxyethyl cellulose, (alkyl acrylate / steareth-20 methacrylate) copolymer, corn starch, and hydroxypropyl starch phosphate.

[0059] These thickeners may be contained alone or in combination of two or more. The oily component gives the hair a moisturizing feeling. Therefore, the hair styling composition may contain oily components other than those described above within a range that does not impair the effects of the present invention. Examples of the oily component include fats and oils, waxes, higher alcohols, hydrocarbons, higher fatty acids, alkyl glyceryl ethers, esters, silicones, etc.

[0060] Specific examples of oils and fats include rosehip oil, Argania spinosa kernel oil, olive oil, camellia oil, shea butter, almond oil, safflower oil, sunflower oil, soybean oil, cottonseed oil, sesame oil, corn oil, rapeseed oil, rice bran oil, rice germ oil, grape seed oil, avocado oil, macadamia nut oil, castor oil, coconut oil, and evening primrose oil.

[0061] Specific examples of waxes include jojoba oil, etc. Specific examples of higher alcohols include cetyl alcohol (cetanol), 2-hexyldecanol, stearyl alcohol, isostearyl alcohol, cetostearyl alcohol, oleyl alcohol, arachyl alcohol, behenyl alcohol, 2-octyldodecanol, lauryl alcohol, myristyl alcohol, decyltetradecanol, lanolin alcohol, etc.

[0062] Specific examples of hydrocarbons include paraffin, polyisobutene, mineral oil, squalane, polybutene, polyethylene, petrolatum, etc. Specific examples of higher fatty acids include lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, isostearic acid, 12-hydroxystearic acid, oleic acid, lanolin fatty acid, etc. Specific examples of alkyl glyceryl ethers include batyl alcohol, chimyl alcohol, selachyl alcohol, isostearyl glyceryl ether, etc.

[0063] Specific examples of silicones include dimethylpolysiloxane (dimethicone), methylphenylpolysiloxane, hydroxyl-terminated dimethylpolysiloxane, highly polymerized silicone, polyether-modified silicone (e.g., (PEG / PPG / butylene / dimethicone) copolymer), amino-modified silicone, betaine-modified silicone, alkyl-modified silicone, alkoxy-modified silicone, mercapto-modified silicone, carboxy-modified silicone, and fluorine-modified silicone.

[0064] These oily components may be contained alone or in combination of two or more. The surfactant serves as an emulsifier or a component for solubilizing each component, and emulsifies or solubilizes the hair styling composition when it is used, adjusts the viscosity, or improves the viscosity stability. Therefore, the hair styling composition may contain a surfactant within a range that does not impair the effects of the present invention. Examples of the surfactant include anionic surfactants, cationic surfactants, amphoteric surfactants, and nonionic surfactants.

[0065] Specific examples of anionic surfactants include alkyl ether sulfates, alkyl sulfates, alkyl ether sulfate esters, alkenyl ether sulfates, alkenyl sulfates, olefin sulfonates, alkanesulfonates, saturated or unsaturated fatty acid salts, alkyl or alkenyl ether carboxylates, α-sulfonic acid salts, N-acylamino acid surfactants, mono- or diester phosphate surfactants, sulfosuccinates, and derivatives thereof. Specific examples of the counter ions of the anionic groups of these surfactants include sodium ions, potassium ions, triethanolamine, and the like. More specifically, examples of alkyl ether sulfate esters include sodium POE lauryl ether sulfate. Specific examples of alkyl sulfates include sodium lauryl sulfate, sodium cetyl sulfate, and the like. Specific examples of derivatives of alkyl sulfates include sodium POE lauryl sulfate, and the like. Specific examples of sulfosuccinate esters include disodium lauryl sulfosuccinate, and the like. The saturated or unsaturated fatty acid salt may be blended as a fatty acid soap produced by neutralizing a saturated or unsaturated fatty acid with an alkaline agent when the components constituting the hair styling composition are mixed.

[0066] Specific examples of cationic surfactants include lauryl trimethyl ammonium chloride, cetyl trimethyl ammonium chloride, stearyl trimethyl ammonium chloride, alkyl trimethyl ammonium chloride, distearyl dimethyl ammonium chloride, cetyl trimethyl ammonium bromide, stearyl trimethyl ammonium bromide, lanolin fatty acid aminopropyl ethyl dimethyl ammonium ethyl sulfate, stearyl trimethyl ammonium saccharin, cetyl trimethyl ammonium saccharin, methacryloyloxyethyl trimethyl ammonium chloride, and behenyl trimethyl ammonium methyl sulfate.

[0067] Specific examples of amphoteric surfactants include cocobetaine, lauramidopropyl betaine, cocamidopropyl betaine, sodium lauroamphoacetate, sodium cocoamphoacetate, coconut oil fatty acid amidopropyl betaine, lauryl betaine (lauryl dimethylaminoacetate betaine), and the like.

[0068] Specific examples of nonionic surfactants include ether-type nonionic surfactants, ester-type nonionic surfactants, alkyl glucosides, etc. Specific examples of ether-type nonionic surfactants include POE cetyl ether (ceteth), POE stearyl ether (steareth), POE behenyl ether, POE oleyl ether (oleth), POE lauryl ether (laureth), POE octyldodecyl ether, POE hexyldecyl ether, POE isostearyl ether, POE nonylphenyl ether, POE octylphenyl ether, etc.

[0069] Specific examples of the ester-type nonionic surfactant include POE sorbitan monooleate, POE sorbitan monostearate, POE sorbitan monopalmitate, POE sorbitan monolaurate, POE sorbitan trioleate, POE glycerin monostearate, POE glycerin monomyristate, POE sorbit tetraoleate, POE sorbit hexastearate, POE sorbit monolaurate, POE sorbit beeswax, polyethylene glycol monooleate, polyethylene monostearate, Examples of such fatty acids include glyceryl monolaurate, polyethylene glycol monolaurate, lipophilic glyceryl monooleate, lipophilic glyceryl monostearate, self-emulsifying glyceryl monostearate, sorbitan monooleate, sorbitan sesquioleate, sorbitan trioleate, sorbitan monostearate, sorbitan monopalmitate, sorbitan monolaurate, sucrose fatty acid esters, decaglyceryl monolaurate, decaglyceryl monostearate, decaglyceryl monooleate, and decaglyceryl monomyristate.

[0070] Specific examples of alkyl glucosides include alkyl glucosides (having 8 to 16 carbon atoms), POE methyl glucoside, POE dioleate methyl glucoside, etc. These surfactants may be used alone or in combination of two or more.

[0071] Specific examples of chelating agents include edetic acid (ethylenediaminetetraacetic acid (EDTA)), disodium edetate, tetrasodium edetate, diethylenetriaminepentaacetic acid and its salts, hydroxyethylethylenediaminetriacetic acid and its salts, and hydroxyethanediphosphonic acid (HEDP) and its salts.

[0072] Specific examples of the pH adjuster include sodium hydroxide, triethanolamine, 2-amino-2-methyl-1-propanol, and various organic acids. Specific examples of sugars include monosaccharides such as glucose and galactose, disaccharides such as maltose, sucrose, fructose, and trehalose, and sugar alcohols. Specific examples of preservatives include paraben, methylparaben, sodium benzoate, and fetinic acid. Specific examples of stabilizers include phenacetin, 8-hydroxyquinoline, acetanilide, sodium pyrophosphate, barbituric acid, uric acid, and tannic acid. Specific examples of antioxidants include ascorbic acid and sulfites. These other components may be used alone or in combination of two or more.

[0073] The form of the hair styling composition when used is not particularly limited, and specific examples include liquid, gel, mist, cream, wax, etc. Examples of liquids include aqueous solutions, dispersions, emulsions, etc. Among these, a wax-like composition is preferred because the spreadability of the composition is excellent and the applicability is improved.

[0074] The lower limit of the viscosity of the hair styling composition may be appropriately set, but is preferably 10,000 mPa·s or more. The upper limit of the viscosity of the hair styling composition may be appropriately set, but is preferably 100,000 mPa·s or less.

[0075] The form of use of the hair styling composition is not limited, but examples include a spray container (mist container), a pump-type dispenser or a trigger-type dispenser, a manual pump extrusion container, and a tube container.

[0076] The effects of the hair styling composition of this embodiment will be described. (1) The hair styling composition of the present embodiment contains (A) silica, (B) volatile silicone, and (C) wax that is solid or pasty at 25° C., and the mass ratio (B / A) of the content of the volatile silicone (B) to the content of the silica (A) is set to be equal to or greater than 5. This allows both improved hair styling properties and spreadability of the composition to be achieved.

[0077] (2) When the hair styling composition of the present embodiment contains hydrophobic silica as (A) silica and (H) a clay mineral, it is possible to improve the dry feeling, airy feeling, and the like. The above embodiment may be modified as follows: The above embodiment and the following modifications may be combined with each other to the extent that no technical contradiction occurs.

[0078] In the above embodiment, the hair styling composition is configured as a one-part formulation in which all of the components constituting the hair styling composition are blended together. However, the components may be separated into multiple parts and mixed together immediately before use. EXAMPLES

[0079] Next, the above embodiment will be described in more detail with reference to examples and comparative examples. Note that the present invention is not limited to the configurations described in the examples section. (Test Example 1: Preparation and Evaluation of Hair Styling Composition 1) Hair styling compositions according to Examples 1 to 12 and Comparative Examples 1 to 4 shown in Tables 1 and 2 were prepared according to a conventional method. All of these hair styling compositions were in a wax form.

[0080] With regard to each component shown in the column of component name in each table, the components corresponding to components A to H of the present invention are indicated with the symbols A to H in the left margin of the table. The units of the numerical values ​​showing the content of each component in the tables are mass %. With regard to the hair styling composition of each Example and Comparative Example in the tables, the column "mass ratio B / A" means the mass ratio of the content of component (B) to the content of component (A) (the same applies hereinafter). Silica in Tables 1 and 2 indicates hydrophilic silica.

[0081] (Evaluation of Hair Styling Composition) Ten expert panelists applied 1 gram of the hair styling composition according to Examples 1 to 12 and Comparative Examples 1 to 4 evenly to a semi-long wig for evaluation using a pump-type container, and evaluated the "elongation" of the hair styling composition as described below when styling the wig to a certain extent. In addition, the panelists evaluated the "hair styling properties (styling properties)" and "lightness of the finished product" as described below based on the feel of the wig.

[0082] In addition, for the hair styling compositions according to Examples 4 to 12, the "moisturizing" was evaluated by the feel of the wig. (stretch) When the hair styling composition was applied to the wig, the composition was evaluated for its excellent stretchability. If 9 or more of the 10 panelists evaluated the composition as having "excellent stretchability," the composition was given 5 points for "very good," if 7-8 panelists evaluated the composition as having "good," if 5-6 panelists evaluated the composition as having "fair," if 3-4 panelists evaluated the composition as having "slightly poor," if 2 or less panelists evaluated the composition as having "poor," the composition was given 1 point. The results are shown in the "stretchability" column of each table.

[0083] (Hair styling) The wigs to which the hair styling composition was applied were evaluated for their excellent hair styling (styling) properties. Styling properties refer to setting power. If 9 or more of the 10 panelists rated the wig as "excellent in hair styling," the wig was given 5 points for "very good," if 7-8 panelists rated it as "good," if 5-6 panelists rated it as "fair," if 3-4 panelists rated it as "slightly bad," if 2 or less panelists rated it as "bad," the wig was given 1 point. The results are shown in the "styling" column of each table.

[0084] (Lightness of the finish) The wigs to which the hair styling composition was applied were evaluated for excellent lightness of finish. If 9 or more of the 10 panelists rated the wig as "excellent lightness of finish", 5 points were given for "very good", if 7-8 panelists rated it as "good", 4 points were given for "good", if 5-6 panelists rated it as "fair", 3 points were given for "slightly bad", if 3-4 panelists rated it as "slightly bad", 2 points were given for "fair", if 2 or less panelists rated it as "bad", 1 point was given for "bad". The results are shown in the "Lightness of Finish" column of each table.

[0085] (Moisturizing feeling) The styled wig was evaluated for its excellent moisturizing feel. If 9 or more of the 10 panelists rated the wig as having "excellent moisturizing feel," the wig was given 5 points for "very good," if 7-8 panelists rated it as having "good," if 5-6 panelists rated it as having "fair," if 3-4 panelists rated it as having "slightly poor," if 2 or less panelists rated it as having "poor," the wig was given 1 point. The results are shown in the "moisturizing feel" column of each table.

[0086] [Table 1]

[0087] [Table 2] As shown in Tables 1 and 2, it was confirmed that each Example had a result of evaluation of elongation, styling ability, light finish, and moisturization of pass or higher. It was confirmed that Comparative Example 1, which does not contain silica, was inferior to each Example in evaluation of styling ability and light finish. It was confirmed that Comparative Example 2, which does not contain volatile silicone, was inferior to each Example in evaluation of elongation. It was confirmed that Comparative Examples 3 and 4, in which the mass ratio (B / A) of the content of volatile silicone (B) to the content of silica (A) is less than 5, were inferior to each Example in evaluation of elongation.

[0088] (Test Example 2: Preparation and Evaluation of Hair Styling Composition 2) Hair styling compositions according to Examples 13 to 19 and Comparative Examples 5 to 8 shown in Table 3 were prepared according to a conventional method. All of these hair styling compositions were in a wax form.

[0089] (Evaluation of Hair Styling Composition) Ten expert panelists evaluated the hair styling compositions of Examples 13 to 19 and Comparative Examples 5 to 8 in terms of "elongation" and "hair styling properties" in the same manner as in Test Example 1. In addition, the panelists evaluated the "dry feeling" described below by touching the wig.

[0090] (Dry feeling) The styled wig was evaluated for its excellent dry texture. If 9 or more of the 10 panelists rated the wig as having an excellent dry texture, the wig was given 5 points for "very good", if 7-8 panelists rated it as having an excellent dry texture, the wig was given 4 points for "good", if 5-6 panelists rated it as having an excellent dry texture, the wig was given 3 points for "fair", if 3-4 panelists rated it as having an excellent dry texture, the wig was given 2 points for "slightly bad", and if 2 or less panelists rated it as having an excellent dry texture, the wig was given 1 point for "bad". The results are shown in the "dry texture" column of each table.

[0091] [Table 3] As shown in Table 3, it was confirmed that each Example had a result of evaluation of elongation, styling ability, and dry feeling of pass or higher. Comparative Example 5, which did not contain silica, was confirmed to have inferior evaluations of styling ability and dry feeling compared to each Example. Comparative Example 6, which did not contain volatile silicone, was confirmed to have inferior evaluation of elongation compared to each Example. Comparative Examples 7 and 8, in which the mass ratio (B / A) of the content of volatile silicone (B) to the content of silica (A) was less than 5, were confirmed to have inferior evaluation of elongation compared to each Example.

Claims

1. (A) silica, (B) a volatile silicone, and (C) a wax that is solid or pasty at 25°C; A hair styling composition, wherein a mass ratio (B / A) of a content of the volatile silicone (B) to a content of the silica (A) is 5 or more.

2. The hair styling composition according to claim 1, wherein the silica (A) is a hydrophilic silica.

3. 2. The hair styling composition according to claim 1, wherein the volatile silicone (B) is a volatile dimethicone.

4. The hair styling composition according to any one of claims 1 to 3, further comprising (D) a volatile hydrocarbon.

5. The hair styling composition according to any one of claims 1 to 3, further comprising (E) a polyhydric alcohol.

6. The hair styling composition according to claim 1, further comprising (F) at least one ester oil selected from monoester type oils and diester type oils.

7. The hair styling composition according to claim 1, further comprising (G) a carbomer.

8. 8. The hair styling composition according to claim 1, wherein the silica (A) is a hydrophobic silica.

9. The hair styling composition according to claim 1, further comprising (H) a clay mineral.

10. The hair styling composition according to claim 9, wherein the clay mineral (H) is kaolin.

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