Cosmetic
By combining a specific ratio of polyols, silicone oils, nonionic surfactants, and amphiphilic polymers, the problems of poor blending with wet hair and insufficient usability are solved, achieving a transparent, non-sticky, and long-lasting cosmetic effect.
Patent Information
- Application Number
- CN202511152627.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2024-08-20
- Filing Date
- 2025-08-18
- Publication Date
- 2026-03-03
AI Technical Summary
Existing oil-based hair cosmetics have poor blending properties on wet hair, lack stickiness, do not provide lasting shine, and are not fully usable. Emulsified cosmetics are opaque in appearance, and the reduced oil content affects their effectiveness.
A transparent cosmetic formula is formed by combining a specific ratio of polyols with a refractive index of 1.42 to 1.47, silicone oil, nonionic surfactants with an HLB of 7 or higher, amphiphilic polymers, and water, which is suitable for wet hair.
It achieves excellent blending with wet hair, is non-drip, non-sticky, has lasting shine, and a transparent appearance, with excellent usability and long-term stability.
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Abstract
Description
Technical Field
[0001] This invention relates to cosmetics. Background Technology
[0002] Cosmetics come in various types, including water-based, oil-based, and emulsion-based. Among them, oil-based cosmetics are aesthetically pleasing due to their transparent appearance. They effectively utilize the properties of oils by containing a large amount of oil and are widely used as cleansing cosmetics or hair oils and other post-bath hair cosmetics.
[0003] Ordinary oily hair cosmetics, such as hair oils, are mostly used for dry hair, and are not suitable for wet hair after using shampoo or rinse-out conditioner. The main reason for this is the poor integration of oily hair cosmetics with wet hair, which contain a large amount of oil. To date, techniques have been disclosed for hair cosmetics containing phosphate-crosslinked starch derivatives, tertiary amine surfactants, and organic acids with 3 to 6 carbon atoms, which rapidly integrate with wet hair as a cream-like formulation when applied (e.g., Patent Document 1). However, in the case of emulsified hair cosmetics, the opaque appearance and relatively reduced oil content result in a loss of the non-sticky or glossy characteristics characteristic of oily hair cosmetics.
[0004] In addition, as a cosmetic containing a large amount of oil, a high-oil-content water-based cosmetic that retains a large amount of oil in polyol has also been studied. For example, the technology of the following high-oil-content water-based cosmetic has been disclosed. This high-oil-content water-based cosmetic contains a specific amount of oily components, a specific amount of polyol, a nonionic surfactant with a sterol skeleton, carotenoids, and a specific amount of water, and exerts excellent makeup removal effect through massage (e.g., Patent Document 2).
[0005] Existing technical documents
[0006] Patent documents
[0007] Patent Document 1: Japanese Patent Application Publication No. 2019-182807
[0008] Patent Document 2: Japanese Patent Application Publication No. 2015-193546 Summary of the Invention
[0009] The problem that the invention aims to solve
[0010] However, while the technology disclosed in Patent Document 1 has excellent blending properties with wet hair, its usability is insufficient, lacking features such as non-drip or non-stickiness and sustained shine. Furthermore, since it is an emulsion type, transparency is not considered.
[0011] Furthermore, the technology disclosed in Patent Document 2 does not mention the integration with wet hair, the maintenance of shine, or the stability over time. Additionally, Patent Document 2 relates to skin cleansing cosmetics and does not consider hair cosmetics, particularly leave-in hair cosmetics.
[0012] Therefore, the object of the present invention is to provide a cosmetic that has excellent blending properties with wet hair and excellent usability and long-term stability.
[0013] Methods for solving problems
[0014] In view of this situation, the inventors, during in-depth research, discovered that the above-mentioned problems were solved in a cosmetic containing a polyol with a refractive index of 1.42 to 1.47, silicone oil, a specific amount of a nonionic surfactant with an HLB of 7 or higher, an amphiphilic polymer, and a specific amount of water, and with the ratio of the silicone oil to the polyol set within a specific range, thereby completing the present invention.
[0015] That is, the present invention is as follows.
[0016] [1] Cosmetics containing the following ingredients (A) to (E):
[0017] (A) Polyols with a refractive index of 1.42–1.47;
[0018] (B) Silicone oil;
[0019] (C) Nonionic surfactants with HLB content of 1% or less (by mass) of 7% or more;
[0020] (D) Amphiphilic polymers;
[0021] (E) Less than 10% by mass of water,
[0022] The content ratio of the above-mentioned component (B) to the above-mentioned component (A) is 1 to 30.
[0023] [2][1] The cosmetic product wherein the content of the above-mentioned ingredient (B) is 20-70% by mass.
[0024] The cosmetic described in [3][1] or [2], wherein the above-mentioned ingredient (D) is selected from at least one of the following: acrylic acid / alkyl methacrylate copolymer, (acrylate (ester) / behendol polyether-25 methacrylate) copolymer, ammonium acryloyl dimethyl taurate / vinylpyrrolidone copolymer, ammonium acryloyl dimethyl taurate / behendol polyether-25 methacrylate copolymer, hydroxyethyl acrylate / sodium acryloyl dimethyl taurate copolymer, sodium acrylate / sodium acryloyl dimethyl taurate copolymer, PEG-240 / decyl tetradecanol polyether-20 / hexamethyl diisocyanate copolymer and hydrophobic hydroxypropyl cellulose.
[0025] The cosmetic described in [4][1] or [2], wherein the above-mentioned ingredient (C) is a nonionic surfactant having a sterol skeleton.
[0026] The cosmetic described in [5][1] or [2] further contains the ingredient (F) N-alkyl methyl taurine.
[0027] The cosmetic described in [6][1] or [2] has a transmittance of more than 70% at 590 nm.
[0028] The cosmetics described in [7][1] or [2] are no-rinse cosmetics.
[0029] The cosmetics described in [8][1] or [2] are hair cosmetics.
[0030] [9][8] The cosmetic described herein is used on wet hair.
[0031] Invention Effects
[0032] The cosmetic of this invention exhibits excellent blending properties with wet hair, non-drip, non-stickiness, and sustained shine, as well as excellent stability over time.
[0033] Moreover, the cosmetic of the present invention has excellent transparency. Detailed Implementation
[0034] The preferred embodiments for carrying out the present invention will be described below. It should be noted that the embodiments described below represent only one example of a representative embodiment of the present invention, and the scope of the present invention should not be narrowly interpreted as such. Furthermore, in this specification, percentages are expressed in terms of mass unless otherwise specified. Additionally, the upper limit (below) and lower limit (above) of each numerical range (~) can be arbitrarily combined as needed. In this specification, "X~Y" indicating a range includes both X and Y, meaning "above X and below Y".
[0035] [Composition (A): Polyol with a refractive index of 1.42–1.47]
[0036] The component (A) used in this invention is a polyol with a refractive index of 1.42 to 1.47. Any polyol commonly used in cosmetics can be used without particular limitation. Specifically, examples include: propylene glycol (refractive index: 1.43 (20°C)), dipropylene glycol (refractive index: 1.44 (20°C)), 1,3-butanediol (refractive index: 1.44 (20°C)), glycerin (refractive index: 1.47 (20°C)), etc. One or more of these can be used as needed. From the viewpoint of transparency or non-stickiness, it is preferable to select at least one of propylene glycol, dipropylene glycol, and 1,3-butanediol; more preferably, at least one of propylene glycol and 1,3-butanediol; and particularly preferably, propylene glycol. It should be noted that in this invention, the refractive index is the refractive index at 20°C.
[0037] The content of component (A) used in this invention is not particularly limited, but as a lower limit, it is preferably 5% (or less, abbreviated as "%)" or more by mass, more preferably 8% or more, and even more preferably 10% or more. As an upper limit, it is preferably 40% or less, more preferably 35% or less, even more preferably 30% or less, and particularly preferably 25% or less. In addition, the content of component (A) is preferably 5-40%, more preferably 5-35%, even more preferably 5-30%, even more preferably 8-30%, more preferably 10-30%, and particularly preferably 10-25%. Within this range, it has excellent blending properties with wet hair, non-stickiness, long-term stability, and transparency, and is therefore more preferred.
[0038] [Ingredient (B): Silicone oil]
[0039] The silicone oil (B) used in this invention can be any silicone oil commonly used in cosmetics, and is not particularly limited in its use. There are no particular limitations on the properties of the silicone oil, but from the viewpoint of superior usability, it is more preferable to use it in a liquid state at 25°C. Examples of such silicone oils include: dimethylpolysiloxane, methylphenylpolysiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, methylpolytrimethylsiloxane, polyether-modified methylpolysiloxane, oleyl-modified methylpolysiloxane, polyvinylpyrrolidone-modified methylpolysiloxane, dodecylcyclohexasiloxane, hexamethyldisiloxane, octamethyltrisiloxane, decamethyltetrasiloxane, caprylyl polytrimethylsiloxane, methylphenylpolysiloxane, polydimethylsiloxane alcohol, etc., and one or more of these may be appropriately selected for use. In this invention, dimethylpolysiloxane is more preferably used from the viewpoint of non-stickiness or sustained gloss.
[0040] The content of component (B) used in this invention is not particularly limited, but as a lower limit, it is preferably 20% or more, more preferably 25% or more, and even more preferably 30% or more. As an upper limit, it is preferably 70% or less, more preferably 60% or less, even more preferably 55% or less, even more preferably 50% or less, particularly preferably 48%, and most preferably 45% or less. Furthermore, the content of component (B) is preferably 20-70%, more preferably 20-60%, even more preferably 20-55%, even more preferably 20-50%, more preferably 25-50%, particularly preferably 30-50%, and most preferably 30-48%, and more preferably 30-45%. Within this range, it exhibits excellent usability, including good blending properties with wet hair, non-stickiness, and lasting shine, as well as excellent stability over time, and is therefore preferred.
[0041] The viscosity of the silicone oil (component B) used in this invention is not particularly limited. However, from the viewpoint of good blending with wet hair or non-stickiness, a silicone oil with a viscosity of 5 to 500 mPa·s at 25°C is preferred. Furthermore, it is preferable to use silicone oils with different viscosities at 25°C. Specifically, it is preferable to combine silicone oils with a viscosity of 10 million to 1 million mPa·s at 25°C with silicone oils with a viscosity of 5 to 500 mPa·s at 25°C; more preferably, it is preferable to combine silicone oils with a viscosity of 10,000 to 1 million mPa·s at 25°C. From the viewpoint of good blending with wet hair, non-stickiness, and sustained shine, dimethylpolysiloxane is particularly preferred. Examples of silicone oils with a viscosity of 5 to 500 mPa·s at 25°C include KF-96-6cs, KF-96-10cs, KF-96-20cs, and KF-96-100cs (all manufactured by Shin-Etsu Chemical Co., Ltd.). Examples of dimethylpolysiloxanes with a viscosity of 10,000 to 1,000,000 mPa·s at 25°C include: BY11-040, BY11-003, FZ-3115, FZ-3132, BY11-007, BY11-014, and BY11-026 (manufactured by Toray Dow Corning); XF49-601, XF49-A3818, XF49-B7082, XF49-B7083, XF49-811, XF49-703, XF49-813, XF49-B1747, and XF49-B8324 (manufactured by Momentive); Silicone KF-9012, KF-96H-10,000 CS, KF-96H-100,000 CS, KF-96H-1,000,000 CS (all manufactured by Shin-Etsu Chemical Industry Co., Ltd.)
[0042] There is no particular limitation on the content of silicone oils with different viscosities at 25°C, but the content of silicone oils with a viscosity of 5 to 500 mPa·s at 25°C is preferably 10 to 50%, more preferably 15 to 45%, and particularly preferably 20 to 40%. Furthermore, the content of silicone oils with a viscosity of 1,000 to 1,000,000 mPa·s at 25°C is preferably 1 to 20%, more preferably 1 to 10%, further preferably 2 to 8%, particularly preferably 2 to 6%, and most preferably 2.5 to 6%. Within this range, it becomes a cosmetic with excellent blending properties with wet hair, or non-stickiness and sustained shine, and is therefore more preferable.
[0043] In this invention, the content ratio (B) / (A) of the above-mentioned component (B) to the above-mentioned component (A) is, as a lower limit, 1 or more from the viewpoint of non-stickiness or long-term stability, and preferably 1.2 or more, more preferably 1.4 or more from the viewpoint of transparency or lasting shine. As an upper limit, 30 or less from the viewpoint of blending with wet hair or long-term stability, preferably 20 or less, more preferably 15 or less, and further preferably 10 or less, particularly preferably 7 or less, and most preferably 5 or less from the viewpoint of non-dripping or non-stickiness and lasting shine. In addition, the content ratio (B) / (A) is 1 to 30, preferably 1 to 20, more preferably 1 to 15, further preferably 1 to 10, even more preferably 1.2 to 10, and particularly preferably 1.4 to 5. Within this range, it becomes a cosmetic with excellent blending with wet hair and excellent usability and long-term stability, and is therefore more preferable.
[0044] [Component (C): Nonionic surfactant with HLB 7 or higher]
[0045] As the nonionic surfactant (C) used in this invention, having an HLB of 7 or higher, any nonionic surfactant commonly used in cosmetics can be used without particular limitation. When the HLB of the nonionic surfactant is below 7, the stability is poor, making it difficult to achieve the effects of this invention. In this invention, from the viewpoint of long-term stability, an HLB of 7 to 19 is preferred, more preferably 8 to 18, and even more particularly preferably 9 to 18.
[0046] Here, HLB (Hydrophilic-Lipophilic Balance) in this invention is an indicator representing the balance between hydrophilicity and lipophilicity, and is calculated using the following (Equation 1) by Oda / Teramura et al.
[0047] HLB = (ΣInorganic value / ΣOrganic value) × 10···(Equation 1)
[0048] Here, the Σinorganic value / Σorganic value is called IOB (Inorganic-Organic balance), which can be calculated by adding the "inorganic value" and "organic value" of the atoms and functional groups that constitute organic compounds such as surfactants, based on the "inorganic value" and "organic value" set for each type of atom and each functional group (see Yoshio Koda, "Organic Concept Map - Basics and Applications", pp. 11-17, Sankyo Publishing, 1984).
[0049] There are no particular limitations on nonionic surfactants with an HLB of 7 or higher. Specific examples include: polyglycerol fatty acid esters, polyoxyethylene castor oil, polyoxyethylene sorbitan monostearate, polyoxyethylene sorbitan monooleate, etc.; polyoxyethylene glycerol monooleate, polyoxyethylene glycerol monoisostearate, etc.; polyethylene glycol monoisostearate, etc.; polyethylene glycol fatty acid esters; polyoxyethylene alkyl ethers, polyoxyethylene alkyl ether phosphates, polyoxypropylene alkyl ethers, polyoxypropylene alkyl ether phosphates, polyoxyethylene alkylphenyl ethers, polyoxyethylene phytostanol ethers, polyoxyethylene phytosterol ethers, polyoxyethylene cholesterol ethers, polyoxyethylene cholesterol ethers, polyoxyethylene addition-type nonionic surfactants, etc. One or more of these can be used. Among these, from the viewpoint of non-stickiness or stability over time, nonionic surfactants with sterol skeletons such as polyoxyethylene phytosterol ethers and polyoxyethylene cholesterol ethers are more preferred.
[0050] Examples of sterol moieties that are nonionic surfactants with sterol skeletons include: animal-based sterol skeletons such as cholesterol, cholesterolanol, lanosterol, cerebrosterol, dehydrocholesterol, and coprostanol; plant-based sterol skeletons such as β-sitosterol, stigmasterol, campesterol, ergosterol, fucosterol, spinasterol, and brassosterol; and microbial sterol skeletons such as mycotosterol and yeast sterol. These can be derivatives obtained by hydrogenation or hydroaddition of these skeletons. From the viewpoint of long-term stability, phytosterols and cholesterol are particularly preferred.
[0051] Nonionic surfactants with sterol backbones are products obtained by ether bonding of polyoxyethylene with the above-mentioned sterol backbone. Examples include: polyoxyethylene (hereinafter referred to as POE), polyoxypropylene, polyoxybutene, etc., which are appropriately added to obtain amorphous or block-shaped products. More specifically, examples include: polyoxyethylene cholesterol ethers such as POE(10) cholesterol ether, POE(15) cholesterol ether, POE(20) cholesterol ether, POE(24) cholesterol ether and POE(30) cholesterol ether; polyoxyethylene cholesterol alcohols such as POE(20) cholesterol, POE(25) cholesterol and POE(30) cholesterol; polyoxyethylene phytosterols such as POE(5) phytosterol, POE(10) phytosterol, POE(20) phytosterol, POE(25) phytosterol and POE(30) phytosterol; and polyoxyethylene phytosterols such as POE(20) phytosterol, POE(25) phytosterol and POE(30) phytosterol. One or more of these can be used as needed. It should be noted that the values in parentheses in the above examples represent the average number of moles of ethylene oxide added. From the viewpoint of usability or stability over time, polyoxyethylene cholesterol ethers and polyoxyethylene phytosterols are preferred. Furthermore, POE(10-30) cholesterol and POE(10-30) phytosterols, POE(20-30) cholesterol and POE(20-30) phytosterols are more preferred. Commercially available examples include: EMLEX CS-10, EMLEX CS-20, EMLEX CS-30 (all manufactured by EMULSION, Japan); NIKKOL BPS-10, NIKKOL BPS-20, NIKKOL BPS-30 (all manufactured by SURFACTANT, Japan); and Belpol DC-30 (manufactured by Nippon Seika, Ltd.), all of which are suitable for use in this invention.
[0052] By further including polyoxyethylene alkyl ether phosphate as component (C) in addition to the aforementioned nonionic surfactant with a sterol backbone, the effects of this invention, such as improved blending properties in wet hair, can be effectively achieved, while further enhancing stability over time. Polyoxyethylene alkyl ether phosphate is a triester compound of polyoxyethylene alkyl ether and phosphoric acid. The polyoxyethylene alkyl ether phosphate is not particularly limited as long as its HLB value is 7 or higher; the preferred fatty acid chain length is 8 to 22 carbon atoms, more preferably 10 to 18. It should be noted that the fatty acid can be saturated or unsaturated, and can be linear or branched. The preferred polyoxyethylene chain length is 1 to 20 carbon atoms, more preferably 2 to 12 carbon atoms. Examples include: polyoxyethylene lauryl ether phosphate, polyoxyethylene myristole ether phosphate, polyoxyethylene cetyl ether phosphate, polyoxyethylene stearyl ether phosphate, polyoxyethylene oleyl ether phosphate, polyoxyethylene behenyl ether phosphate, polyoxyethylene alkyl (10-15) ether phosphate, polyoxyethylene dialkyl (12-15) ether phosphate, polyoxyethylene tricetylacetonate phosphate, and polyoxyethylene tristearyl ether phosphate. One type can be used alone, or two or more types can be used in combination. From the viewpoint of non-stickiness or long-term stability, one or more types of polyoxyethylene cetyl ether phosphate and polyoxyethylene stearyl ether phosphate are preferred.
[0053] Regarding the content of ingredient (C) used in this invention, from the viewpoint of non-stickiness, it is preferably 1% or less, more preferably 0.8% or less, and even more preferably 0.7% or less as an upper limit. There is no particular limitation on the lower limit, but from the viewpoint of stability over time, it is preferably 0.01% or more, more preferably 0.05% or more, even more preferably 0.1% or more, and particularly preferably 0.3% or more. Furthermore, the content of ingredient (C) is preferably 0.01 to 1%, more preferably 0.05 to 1%, even more preferably 0.05 to 0.8%, even more preferably 0.05 to 0.7%, particularly preferably 0.1 to 0.7%, and most particularly preferably 0.3 to 0.7%. Within this range, it becomes a cosmetic with excellent blending properties with wet hair, as well as excellent usability and stability over time, and is therefore more preferable.
[0054] When using polyoxyethylene alkyl ether phosphate as component (C), its content is not particularly limited, but preferably 0.01 to 0.5%, more preferably 0.05 to 0.2%. Within this range, it is suitable for achieving the effects of the present invention, such as blending into wet hair or non-stickiness, while further improving stability over time, and is therefore more preferred.
[0055] In this invention, regarding the content ratio (A) / (C) of the above-mentioned component (A) to the above-mentioned component (C), from the viewpoint of the degree of integration with wet hair or the stability over time, a lower limit is preferably 10 or more, more preferably 15 or more, and even more preferably 20 or more. An upper limit is preferably 400 or less, more preferably 200 or less, even more preferably 100 or less, and even more preferably 80 or less, from the viewpoint of transparency, degree of integration with wet hair, non-stickiness, and stability over time; particularly preferably 70 or less, and most preferably 50 or less. Furthermore, the content ratio (A) / (C) is preferably 10 to 400, more preferably 10 to 200, even more preferably 10 to 100, even more preferably 10 to 80, particularly preferably 10 to 70, and most preferably 20 to 50. Within this range, it becomes a cosmetic product with excellent integration with wet hair and excellent usability and stability over time, and is therefore more preferable.
[0056] In this invention, regarding the content ratio (B) / (C) of the aforementioned component (B) to the aforementioned component (C), from the viewpoint of transparency or non-stickiness, lasting shine, and stability over time, a lower limit is preferably 35 or more, more preferably 40 or more, further preferably 50 or more, and even more preferably 60 or more. An upper limit, from the viewpoint of stability over time, is preferably 700 or less, more preferably 400 or less, further preferably 200 or less, and even more preferably 100 or less. From the viewpoint of blending with wet hair or stability over time, particularly preferably 90 or less, and most preferably 85 or less. Furthermore, the content ratio (B) / (C) is preferably 35 to 700, more preferably 35 to 400, further preferably 35 to 200, even more preferably 35 to 100, particularly preferably 35 to 90, most preferably 60 to 90, and more preferably 60 to 85. Within this range, it becomes a cosmetic product with excellent blending with wet hair and excellent usability and stability over time, and is therefore more preferable.
[0057] [Component (D): Amphiphilic polymer]
[0058] The amphiphilic polymer (D) used in this invention refers to a polymer compound that can be used alone without the use of a surfactant, or added in small amounts even when a surfactant is used, to form a stable cosmetic product. Examples include: acrylic acid / alkyl methacrylate copolymer ((acrylate (ester) / alkyl acrylate (C10-30) ester) crosspolymer), (acrylate (ester) / behenol polyether-25 methacrylate) copolymer, ammonium acryloyl dimethyl taurate / vinylpyrrolidone copolymer, ammonium acryloyl dimethyl taurate / behenol polyether-25 methacrylate copolymer, hydroxyethyl acrylate / sodium acryloyl dimethyl taurate copolymer, sodium acrylate / sodium acryloyl dimethyl taurate copolymer, PEG-240 / decyl tetradecyl alcohol polyether-20 / hexamethyl diisocyanate copolymer, hydrophobic hydroxypropyl cellulose, hydroxypropyl starch phosphate 2-methacryloyloxyphosphatidylcholine / butyl methacrylate copolymer, and at least one of these components may be used.
[0059] From the viewpoint of non-dripping or stability over time, component (D) preferably uses acrylic acid / alkyl methacrylate copolymer, (acrylate / behenol polyether-25 methacrylate) copolymer, ammonium acryloyl dimethyl taurate / vinylpyrrolidone copolymer, ammonium acryloyl dimethyl taurate / behenol polyether-25 methacrylate copolymer, hydroxyethyl acrylate / sodium acryloyl dimethyl taurate copolymer, sodium acrylate / sodium acryloyl dimethyl taurate copolymer, and more preferably acrylate. Acrylic acid / alkyl methacrylate copolymer, (acrylate / behenyl ether-25 methacrylate) copolymer, ammonium acryloyl dimethyl taurate / behenyl ether-25 methacrylate copolymer, sodium acrylate / sodium acryloyl dimethyl taurate copolymer, and more preferably acrylic acid / alkyl methacrylate copolymer, (acrylate / behenyl ether-25 methacrylate) copolymer, ammonium acryloyl dimethyl taurate / behenyl ether-25 methacrylate copolymer. Commercially available products include Aristoflex HMB (manufactured by Clariant Japan Co., Ltd.), PEMULEN TR-1 (manufactured by Lubizol Advanced Materials Co., Ltd.), NOVETHIXL-10POLYMER (manufactured by LUBRIZOL ADVANCED MATERIALS Co., Ltd.), etc., and one or more of these can be used.
[0060] The content of component (D) used in this invention is not particularly limited. From the viewpoint of non-dripping or stability over time, a lower limit is preferably 0.01% or more, more preferably 0.05% or more. From the viewpoint of non-dripping, an upper limit is preferably 0.5% or less, more preferably 0.3% or less, further preferably 0.2% or less, and particularly preferably 0.1% or less. Furthermore, the content of component (D) is preferably 0.01 to 0.5%, more preferably 0.05 to 0.3%, further preferably 0.05 to 0.2%, and particularly preferably 0.05 to 0.1%. Within this range, non-dripping or stability over time is excellent, which is suitable for achieving the effects of this invention, such as the blending effect on wet hair, and is therefore more preferred.
[0061] [Ingredients (E): Water]
[0062] In this invention, component (E) water, together with component (A), is contained as a component forming the external phase of this cosmetic. As for water, any water commonly used in cosmetics is acceptable and is not particularly limited. Examples include: ordinary water, purified water, hot spring water, deep well water, or steam distilled water derived from plants such as lavender water, rose water, and orange blossom water. One or more types can be used as needed.
[0063] Regarding the content of component (E) used in this invention, from the viewpoint of stability over time or transparency, the upper limit is preferably 10% or less, more preferably 8% or less, more preferably 6% or less, and particularly preferably 5% or less. The lower limit is preferably 0.1% or more, more preferably 0.5% or more, and even more preferably 1% or more. Furthermore, the content of component (E) is preferably 0.1% to 10%, more preferably 0.5% to 8%, even more preferably 1% to 8%, even more preferably 1% to 6%, and particularly preferably 1% to 5%. When the content of component (E) exceeds 10%, the stability over time is poor, and it becomes difficult to maintain the transparency of the appearance, resulting in insufficient effectiveness of the invention.
[0064] In this invention, regarding the content ratio (B) / (E) of the aforementioned component (B) to the aforementioned component (E), from the viewpoint of transparency or stability over time, a lower limit is preferably 3 or more, more preferably 4 or more, further preferably 5 or more, particularly preferably 6 or more, and most preferably 8 or more. An upper limit is preferably 30 or less, more preferably 20 or less, further preferably 17 or less, and particularly preferably 15 or less, from the viewpoint of blending with wet hair or stability over time. Furthermore, the content ratio (B) / (E) is preferably 3 to 30, more preferably 3 to 20, further preferably 4 to 17, even more preferably 5 to 15, particularly preferably 6 to 15, and most preferably 8 to 15. Within this range, it becomes a cosmetic product with excellent blending with wet hair and excellent usability and stability over time, and is therefore more preferable.
[0065] [Ingredient (F): N-alkylmethyl taurate]
[0066] In this invention, by further including component (F) N-alkylmethyl taurate, the effects of this invention, such as the blending effect on wet hair, can be effectively achieved, while also improving stability over time. The alkyl group of the N-alkylmethyl taurate preferably has 10 to 22 carbon atoms, more preferably 16 to 20. Furthermore, examples of counterbases include: sodium, potassium, ammonium, triethanolamine, arginine, lysine, histidine, hydroxylysine, etc. Additionally, the N-alkylmethyl taurate can be used from the outset as an N-alkylmethyl taurate containing a counterbase, and during the manufacturing process of cosmetics, it can be used after a neutralization reaction between the N-alkylmethyl taurate and the counterbase. In this invention, one or more of the above-mentioned constituent components can be appropriately selected and used depending on the purpose. Specifically, examples of the N-alkylmethyl taurate of the present invention include: sodium N-palmitoyl-N-methyl taurate, sodium N-stearoyl-N-methyl taurate, triethanolamine N-palmitoyl-N-methyl taurate, triethanolamine N-stearoyl-N-methyl taurate, potassium N-stearoyl-N-methyl taurate, and N-stearoyl-N-methyl taurate. Among these, sodium N-stearoyl-N-methyl taurate is particularly preferred from the viewpoint of long-term stability. Commercially available examples include NIKKOLSMT (manufactured by Nikko Chemical Co., Ltd.).
[0067] The content of component (F) used in this invention is not particularly limited, but as a lower limit, it is preferably 0.01% or more, more preferably 0.02% or more, and even more preferably 0.03% or more. As an upper limit, it is preferably 1% or less, more preferably 0.5% or less, even more preferably 0.3% or less, and even more preferably 0.1% or less. Furthermore, the content of component (F) is preferably 0.01 to 1%, more preferably 0.01 to 0.5%, even more preferably 0.01 to 0.3%, even more preferably 0.01 to 0.1%, more preferably 0.02 to 0.1%, and particularly preferably 0.03 to 0.1%. Within this range, it is suitable to achieve the effects of this invention, such as improved blending quality or non-stickiness in wet hair, while further improving stability over time, and is therefore more preferable.
[0068] From the viewpoint of aesthetic appearance or long-term stability, the cosmetic of the present invention is preferably transparent. Here, in the present invention, transparency means a transmittance of 60% or more at a wavelength of 590 nm, preferably 70% or more, and more preferably 80% or more. The sample is filled into a plastic cuvette with a path length of 10 mm and a path width of 10 mm, and the transmittance is measured using a spectrophotometer. It should be noted that the material of the cuvette is not particularly limited; the value is obtained by subtracting the cuvette material data from the blank sample.
[0069] In the cosmetics of the present invention, in addition to the essential ingredients described above, ingredients commonly used in cosmetics may be included in a quantitative and qualitative range, as needed, without impairing the effects of the present invention. For example, surfactants other than ingredients (C) and (F), water-soluble polymers other than ingredient (D), oils other than ingredient (B), powders, antioxidants, fragrances, preservatives, pH adjusters, ultraviolet absorbers, moisturizers, cooling agents, beauty ingredients, etc., may be included.
[0070] As a surfactant other than components (C) and (F), it may contain anionic surfactants, cationic surfactants, nonionic surfactants, amphoteric surfactants, etc.
[0071] Anionic surfactants other than ingredient (F) can be any anionic surfactant commonly used in cosmetics; there are no particular limitations. Specifically, examples include: alkyl sulfates, polyoxyethylene alkyl sulfates, alkylamide sulfates, alkyl sulfonates, higher fatty acid salts, hydroxy fatty acid salts, alkyl phosphate salts, polyoxyethylene alkyl ether phosphate salts, acyl amino acid salts, alkyl ether carboxylates, etc. One or more of these can be used, or a combination of two or more, as needed.
[0072] Examples of cationic surfactants include: alkyl trimethylammonium salts such as stearyltrimethylammonium chloride and lauryltrimethylammonium chloride; dialkyl dimethylammonium salts such as distearate dimethylammonium chloride; alkyl pyridinium salts such as chlorinated poly(N,N'-dimethyl-3,5-methylenepiperidinium) and chlorinated cetylpyridinium; alkyl quaternary ammonium salts, alkyl dimethyl benzyl ammonium salts, alkyl isoquinoline onion salts, dialkyl morpholine onion salts, POE alkylamines, alkylamine salts, polyamine fatty acid derivatives, pentanol fatty acid derivatives, benzalkonium chloride, benzyl chloride, etc., and one or more of them may be used.
[0073] As a nonionic surfactant other than component (C), such as a nonionic surfactant with an HLB of less than 7, examples include glycerol fatty acid esters, sorbitan fatty acid esters, etc., and one or more of them can be used.
[0074] Examples of amphoteric surfactants include: 2-alkyl-N-carboxymethyl-N-hydroxyethylimidazolium betaine, lauryl dimethylaminoacetic acid betaine, alkyl betaine, amide betaine, sulfobetaine and other betaine-based surfactants, phospholipids, etc., and one or more types can be used.
[0075] Examples of oils other than component (B) include: isododecane, isohexadecane, liquid paraffin (mineral oil), squalane, squalene, α-olefin oligomers, polybutene, liquid isoalkanes, light liquid isoalkanes, heavy liquid isoalkanes, polyisobutylene, hydrogenated polyisobutylene, and other hydrocarbons; rapeseed oil, avocado oil, almond oil, almond kernel oil, perilla oil, orange oil, olive oil, kiwi seed oil, grapeseed oil, sesame oil, wheat germ oil, rice germ oil, rice bran oil, safflower oil, sage oil, soybean oil, tea seed oil, corn oil, rapeseed oil, evening primrose oil, camellia oil, palm oil, coix seed oil, peanut oil, sunflower oil, sunflower seed oil, and white... Wild grass seed oil, rosemary oil, jojoba oil, jojoba seed oil, macadamia nut oil, lavender oil, rosehip oil, mink oil, and other animal and vegetable oils; triethylhexanoate (triethylhexanoate), isotriadecyl isononanoate, isononyl isononanoate, cetyl 2-ethylhexanoate, isopropyl myristate, isopropyl palmitate, isopropyl isostearate, 2-ethylhexyl palmitate, octyl dodecyl myristate, tricaprylic acid glyceride, tri(caprylic / capric acid) glyceride, trimethylolpropane triisostearate, propylene glycol dicaprylate, neopentyl glycol dicaprylate, neopentyl diethylhexanoate. Esters such as tetraethylhexanoate pentaerythritol ester, hexa(hydroxystearic acid / stearic acid / rosin acid) dipentaerythritol ester, dialkyl carbonate, trimellitic acid triterpenoid ester, diethoxydiethylene glycol cyclohexane-1,4-dicarboxylate, dimeric linoleyl hydrogenated rosin condensate, alkyl benzoate (C12-15) ester, cetyl palmitate, tetraisostearate diglyceride, ethyl oleate, triisostearate glyceride, ethyl linoleate, oleyl alcohol ester, etc.; fatty acids such as oleic acid and isostearic acid; oleyl alcohol, 2-octyldodecanol, 2-decyltetradecanol, isostearyl alcohol, 2-hexyldecanol, etc. Higher alcohols such as lanolin alcohol, cetearyl alcohol, behenol, and jojoba alcohol; fluorinated oils such as perfluoropolyether, perfluorodecane, and perfluorooctane; lanolin derivatives such as lanolin acetate, lanolin fatty acid isopropyl ester, and lanolin alcohol; and ultraviolet absorbers such as 2-ethylhexyl p-methoxycinnamate, ethylhexyl salicylate, 2-[4-(diethylamino)-2-hydroxybenzoyl]hexyl benzoate, methylene bisbenzotriazolyl tetramethylbutylphenol, bisethylhexyloxyphenol methoxyphenyl triazine, polysiloxane-15, and 2,4,6-tris[4-(2-ethylhexyloxycarbonyl)anilino]-1,3,5-triazine (ethylhexyl triazine ketone).Cocoa butter, shea butter, castor oil, hydrogenated castor oil, hydrogenated coconut oil, petrolatum, hydrogenated castor oil monostearate, hydrogenated castor oil monohydroxystearate, hydroxystearate cholesterol ester, dipentaerythritol fatty acid ester, N-lauroyl-L-glutamic acid di(phytosterol / 2-octyldodecyl) ester, N-lauroyl-L-glutamic acid di(octyldodecyl / cholesterol / behenyl) ester, N-lauroyl-L-glutamic acid... Paste-like oils such as di(octyldodecyl / phytosterol / behenyl) ester, macadamia nut oil fatty acid phytosterol ester, and dimerized linoleic acid (phytosterol / isostearyl / cetearyl / stearyl / behenyl) ester; waxes such as paraffin wax, ceresin wax, microcrystalline wax, polyethylene wax, Fischer-Tropsch wax, beeswax, and candelilla wax; polyethylene glycol distearate, glyceryl tris(benzene) ester, cholesterol, phytosterols, stearyl-modified polysiloxane, hydrogenated oil, and palm oil. These oils can be used alone or in combination of two or more.
[0076] From the perspective of blending into wet hair or non-stickiness, it is preferable to use oils containing an ester skeleton.
[0077] As an oil-based formulation, it is preferable to contain at least liquid oil (an oil-based formulation that is liquid at 25°C). Regarding the content of the liquid oil (preferably an oil-based formulation having an ester skeleton), as a lower limit, it is preferably 20% or more, more preferably 25% or more, and even more preferably 30% or more in cosmetics. Furthermore, as an upper limit, it is preferably 70% or less, more preferably 60% or less in cosmetics. Moreover, the oil-based formulation may consist solely of liquid oil. It should be noted that the liquid oil referred to here does not include component (B).
[0078] As a powder, any powder commonly used in cosmetics can be used, regardless of its shape (spherical, needle-like, plate-like, etc.), particle size (smoky, microparticle, pigment-grade, etc.), or particle structure (porous, non-porous, etc.).
[0079] Examples of preservatives include: benzoic acid, sodium benzoate, salicylic acid, carbolic acid, sorbic acid, potassium sorbate, benzalkonium chloride, chlorhexidine, trichlorocarbanilide, photosensitizer, zinc bis(2-mercaptopyridine-1-oxide), isopropyl methylphenol, p-hydroxybenzoate, phenoxyethanol, etc.
[0080] Examples of pH adjusters include: lactic acid, citric acid, glycolic acid, succinic acid, tartaric acid, malic acid, potassium carbonate, sodium bicarbonate, ammonium bicarbonate, sodium hydroxide, potassium hydroxide, triethanolamine, monoethanolamine, etc. Examples of cooling agents include: L-menthol, camphor, etc.
[0081] The cosmetic manufacturing method of the present invention can be manufactured according to commonly known methods. As for the manufacturing equipment, any dispersing equipment such as a paddle mixer or disperser is acceptable, and there are no particular limitations. For example, it can be obtained by heating and mixing ingredients (A), (C) to (F), adding pre-heated and mixed ingredient (B) and optional oil to it, mixing evenly, and then cooling.
[0082] The physical properties of the cosmetic product of the present invention are not particularly limited, and examples include: liquid, cream, semi-solid, mousse, etc. Among these, a semi-solid form is preferred from the viewpoint of long-term stability or non-dripping. In the present invention, a semi-solid form refers to a consistency of 200 mm or more at 15°C, and from the viewpoint of long-term stability or non-dripping, 250 mm or more is preferred. There is no particular upper limit, but from the viewpoint of usability, 500 mm or less is preferred, and 400 mm or less is more preferred. As a method for measuring consistency, a consistency meter (manufactured by Nippon Oil Testing Machine Co., Ltd.) can be used at a measurement temperature of 15°C, and the measurement can be performed using a No. 2 aluminum cone according to JIS-K2220.
[0083] The cosmetics of this invention can be any form selected from one or more of the following: hair cosmetics, eyelash cosmetics, eyebrow cosmetics, and other hair cosmetics; basic cosmetics such as lotions, creams, toners, serums, masks, all-in-one gels, sunscreens, and cleansing milks; makeup cosmetics such as makeup bases, BB creams, foundations, blushes, and lipsticks; makeup protection cosmetics; skin care cosmetics such as eye creams, balms, massage cosmetics, hand creams, and body creams; topical skin agents; dispersions, ointments, liquid formulations, aerosols, patches, poultices, liniments, etc. Furthermore, the cosmetics involved in this invention can be applied to pharmaceuticals, quasi-pharmaceuticals, skin care products, skin protectants, and other topical skin agents, or can be any of the following: cosmetics or topical skin agents.
[0084] One embodiment of the cosmetic of the present invention is as follows: It contains 1 to 30 times the amount of silicone oil relative to a small amount of water and a polyol having a specific refractive index, thus achieving both an oily feel and excellent affinity (blending degree with wet hair). Therefore, from the viewpoint of being suitable for exerting the effects of the present invention, the cosmetic of the present invention is preferably used as a hair cosmetic such as hair or scalp hair, and more preferably as a hair cosmetic targeting hair.
[0085] The above-mentioned hair cosmetics can be applied to hair, eyebrows, eyelashes, scalp, and the roots of eyelashes or eyebrows, for example, they can be applied to the hair. These hair cosmetics are preferably suitable for use as hair cosmetics, eyebrow cosmetics, or eyelash cosmetics.
[0086] Examples of hair cosmetics include: hair styling products, shampoos, hair rinses, 2-in-1 shampoos and conditioners, hair treatments, hair conditioners, and hair growth products. Examples of eyelash cosmetics include: mascara, mascara top coat, and mascara base coat. Examples of eyebrow cosmetics include: eyebrow pencils and eyebrow serums. However, these product forms are not limited to these categories.
[0087] As a cosmetic product of the present invention, it can be used in either a rinse-off type or a leave-on type. From the viewpoint that it is suitable for achieving effects such as non-stickiness or lasting shine, a leave-on type cosmetic product is preferred.
[0088] The hair cosmetic of the present invention can be used in the form of bath products and post-bath products. Specifically, examples of bath products include hair lotions, hair conditioners, hair masks, and other hair cosmetics that are rinsed off; examples of post-bath products include hair conditioners, hair essences, hair creams, foaming waxes, styling sprays, hair oils, and other leave-in hair cosmetics. From the viewpoint of good integration with wet hair, non-stickiness, and lasting shine, the hair cosmetic of the present invention is preferably a post-bath hair cosmetic, and more preferably a post-bath hair cosmetic. As a post-bath hair cosmetic, especially a hair cosmetic, the moisture in the hair can be absorbed with a towel, and then dried with hot air from a hair dryer before use. It can also be used when the hair is not fully dried with hot air from the hair dryer and is half-dry. In cases where it can be used when the hair is half-dry, there is no need to specifically choose the timing of application, which is considered convenient.
[0089] Alternatively, the present invention may also be configured as follows.
[0090] <1> Cosmetics contain the following ingredients (A) to (E):
[0091] (A) Polyols with a refractive index of 1.42–1.47;
[0092] (B) Silicone oil;
[0093] (C) Nonionic surfactants with HLB content of 1% or less (by mass) of 7% or more;
[0094] (D) Amphiphilic polymers;
[0095] (E) Less than 10% by mass of water,
[0096] The content ratio of the above-mentioned component (B) to the above-mentioned component (A) is 1 to 30.
[0097] <2> <1> In the cosmetic product described above, the content of the aforementioned ingredient (B) is 20-70% by mass.
[0098] <3> <1> or <2> The cosmetic product wherein the aforementioned ingredient (D) is selected from at least one of the following: acrylic acid / alkyl methacrylate copolymer, (acrylate / behenyl ether-25 methacrylate) copolymer, ammonium acryloyl dimethyl taurate / vinylpyrrolidone copolymer, ammonium acryloyl dimethyl taurate / behenyl ether-25 methacrylate copolymer, hydroxyethyl acrylate / sodium acryloyl dimethyl taurate copolymer, sodium acrylate / sodium acryloyl dimethyl taurate copolymer, PEG-240 / decyl tetradecyl alcohol polyether-20 / hexamethyl diisocyanate copolymer, and hydrophobic hydroxypropyl cellulose.
[0099] <4> <1> ~ <3> In any one of the cosmetics, wherein the aforementioned ingredient (C) is a nonionic surfactant having a sterol skeleton.
[0100] <5> <1> ~ <4> The cosmetic product described in any one of the above statements further contains the ingredient (F) N-alkylmethyl taurine.
[0101] <6> <1> ~ <5> The cosmetic product described in any one of the above examples has a transmittance of 70% or more at 590 nm.
[0102] <7> <1> ~ <6> In any one of the cosmetics, wherein the aforementioned ingredient (B) is dimethylpolysiloxane.
[0103] <8> <7> The cosmetic product, wherein the above-mentioned ingredient (B) contains at least dimethyl polysiloxane with a viscosity of 10,000 to 1,000,000 mPa·s at 25°C.
[0104] <9> <1> ~ <8> The cosmetic product described in any one of the above statements further contains a phosphate ester-based nonionic surfactant.
[0105] <10> <1> ~ <9> The cosmetic product mentioned in any one of these examples is a no-rinse cosmetic product.
[0106] <11> <1> ~ <10> The cosmetic product mentioned in any one of these descriptions is a hair cosmetic product.
[0107] <12> <11> The aforementioned cosmetic is used on wet hair.
[0108] <13> <11> or <12> The cosmetic product in question is a hair cosmetic.
[0109] Example
[0110] The following examples illustrate the present invention in detail. It should be noted that these examples are not intended to limit the present invention in any way.
[0111] <Examples 1-18 and Comparative Examples 1-7: Hair Cosmetics (Hair Conditioners for Bathing)>
[0112] Hair cosmetics with the compositions shown in Tables 1 and 2 were prepared using the manufacturing method described below. The evaluation criteria for "transparency," "blending with wet hair," "non-drip," "non-stickiness," "lasting shine," and "stability over time" were assessed according to the evaluation methods and judgment standards shown below. The results are also shown in Tables 1 and 2. It should be noted that in this invention, the content of each component in Examples 19-21 (in or outside the tables) represents the content of the pure component.
[0113] [Table 1]
[0114]
[0115] [Table 2]
[0116]
[0117] Note 1: Silicone KF-9012 (50% methyl polysiloxane solution of high degree of polymerization methyl polysiloxane, manufactured by Shin-Etsu Chemical Industry Co., Ltd.);
[0118] Note 2: KF-96-100CS (manufactured by Shin-Etsu Chemical Industry Co., Ltd.);
[0119] Note 3: PARLEAM 18 (manufactured by Nichiyu Corporation);
[0120] Note 4: NIKKOL BPS-30 (manufactured by SURFACTANT Industries, Ltd., Japan);
[0121] Note 5: PEMULEN TR-1 (manufactured by Lubrizol Advanced Materials);
[0122] Note 6: NOVETHIX L-10POLYMER (manufactured by LUBRIZOL ADVANCED MATERIALS).
[0123] (Manufacturing method)
[0124] (1): Mix and dissolve No.1~3, 7~8, 12~13 evenly at 80℃.
[0125] (2): Mix and dissolve No.4~6 and 14 evenly at 70℃.
[0126] (3): Add No.9 to (1) and mix evenly with a dispersion mixer.
[0127] (4): Add (2) to (3) and mix evenly with a dispersion mixer.
[0128] (5): While mixing (4), cool to room temperature and fill into a container to obtain hair cosmetics.
[0129] [Evaluation Method 1: Integration with wet hair, non-drip, non-sticky, and lasting shine]
[0130] Regarding the blending effect, non-drip, non-stickiness, and lasting shine on wet hair, 20 professional cosmetics reviewers were asked to evaluate and score each sample on wet hair that had been towel-dried after shampooing, according to the following evaluation criteria. The average score of each sample was calculated from the total scores of all reviewers, and the sample was judged according to the following four-level judgment criteria.
[0131] Regarding the integration with wet hair, the degree to which the product extends to the ends of the hair when applied to wet hair is evaluated.
[0132] Regarding non-dripping, the evaluation is based on whether the samples do not drip from the hand or between the fingers when picked up by hand.
[0133] Regarding non-stickiness, the evaluation focused on whether the hair dried with a hairdryer after applying each sample did not feel tangled or sticky.
[0134] Regarding the duration of shine, the evaluation was conducted on hair that had been dried with a hairdryer after application, assessing whether the shine remained 10 hours later.
[0135] [Evaluation criteria in 5 levels]
[0136] [Rating]: [Evaluation Result]
[0137] 5 points: Excellent;
[0138] 4 points: Good;
[0139] 3 points: Neither;
[0140] 2 points: Slightly not good;
[0141] 1 point: Not good.
[0142] [Judgment criteria for 4 levels]
[0143] [Judgment]: [Average score]
[0144] A (Excellent): 4.5 points or above;
[0145] B (Good): 3.25 points and above to below 4.5 points;
[0146] C (Slightly unacceptable): 2.0 points or above to below 3.25 points;
[0147] D (Not allowed): Below 2.0 points.
[0148] [Evaluation Method 2: Stability over Time]
[0149] Each sample from Examples 1-18 and Comparative Examples 1-7 was placed in a constant temperature bath at 50°C and 15°C for one month. The condition of each sample was evaluated on a five-level scale according to the following evaluation criteria, and each sample was scored. Next, the average score for each temperature was determined according to the following judgment criteria.
[0150] [Evaluation criteria in 5 levels]
[0151] [Rating]: [Evaluation Result]
[0152] 5 points: No change at all;
[0153] 4 points: Almost no change;
[0154] 3 points: Although the appearance has changed, the oily components have not separated;
[0155] 2 points: Oily components seep to the surface;
[0156] 1 point: Oily components and aqueous components are separated.
[0157] [Judgment criteria for 4 levels]
[0158] [Judgment]: [Average score]
[0159] A (Excellent): 4.5 points or above;
[0160] B (Good): 3.5 points or above, but below 4.5 points;
[0161] C (Slightly unacceptable): 1.5 points or higher to below 3.5 points;
[0162] D (Not allowed): Below 1.5 points.
[0163] [Evaluation Method 3: Transparency]
[0164] After each sample of Examples 1-18 and Comparative Examples 1-7 was left to stand at 30°C for 30 minutes, it was filled into a plastic cuvette with an optical path length of 10 mm and an optical path width of 10 mm. The transmittance (%) was measured using a spectrophotometer with n=5. The average value of each measured value was calculated, and the results were judged according to the following three-level judgment criteria.
[0165] [Judgment criteria for 3 levels]
[0166] [Judgment]: [Average Value]
[0167] A (Excellent): Transmittance is above 80%;
[0168] B (Good): Transmittance is above 70% to below 80%;
[0169] C (Acceptable): Transmittance is less than 70%.
[0170] In Examples 1-18, the consistency is within the range of 250-400 mm, exhibiting excellent blending properties with wet hair, non-drip properties, non-stickiness, sustained shine, and stability over time. In particular, Examples 1-4, 6, and 8-18 also demonstrate excellent transparency, with Examples 1, 3, 6, and 8-16 and 18 exhibiting even better transparency.
[0171] In contrast, Comparative Example 1, where the content ratio of component (B) to component (A) (B) / (A) exceeds 30, fails to meet the requirements for blending with wet hair and stability over time.
[0172] Comparative Example 2, where the content ratio of component (B) to component (A) is less than 1, and Comparative Example 3, which uses hydrogenated polyisobutylene to replace component (B), fail to meet the requirements of non-stickiness, sustained gloss, and stability over time.
[0173] Comparative Example 4, which does not contain component (D), fails to meet the requirements of non-dripping and stability over time.
[0174] Comparative Example 5, which uses a carboxyvinyl polymer to replace component (D), and Comparative Example 7, which contains more than 10% of component (E), cannot meet the requirements for long-term stability and are not suitable for continuous use as cosmetics.
[0175] Comparative Example 6, which uses polyquaternium-11 as a substitute for component (D), fails to meet the requirements for blending, non-stickiness, and long-term stability in wet hair.
[0176] Example 19: Hair conditioner for use after bathing
[0177]
[0178]
[0179] (Manufacturing method)
[0180] (1) Dissolve No.1~7 uniformly at 80℃.
[0181] (2) Dissolve No.10~14 uniformly at 70℃.
[0182] (3) Add No.8 to (1) and mix.
[0183] (4) Add No.9 to (3) to neutralize.
[0184] (5) Add (2) to (4) and mix.
[0185] (6) Add No.15 to (5) and mix.
[0186] The hair conditioner of Example 19, when used on towel-dried hair, exhibits excellent integration with wet hair, and maintains excellent shine and non-stickiness after drying. Furthermore, it demonstrates good non-drip properties and stability over time. Additionally, it has an A rating for transparency and a consistency ranging from 250 to 400 mm.
[0187] Example 20: Hair conditioner for use after bathing
[0188]
[0189]
[0190] (Manufacturing method)
[0191] (1) Dissolve No.1~7 uniformly at 80℃.
[0192] (2) Dissolve No.10~15 evenly at 70℃.
[0193] (3) Add No.8 to (1) and mix.
[0194] (4) Add No.9 to (3) to neutralize.
[0195] (5) Add (2) to (4) and mix.
[0196] (6) Add No.16 to (5) and mix.
[0197] The hair conditioner of Example 20, when used on towel-dried hair, exhibits excellent integration with wet hair, and maintains excellent shine and non-stickiness after drying. Furthermore, it demonstrates good non-drip properties and stability over time. Additionally, it has an A rating for transparency and a consistency ranging from 250 to 400 mm.
[0198] Example 21: Skin Cream
[0199]
[0200]
[0201] Note 7: KF-96A-6CS (manufactured by Shin-Etsu Chemical Industry Co., Ltd.)
[0202] (Manufacturing method)
[0203] (1) Dissolve No.1~7 uniformly at 80℃.
[0204] (2) Dissolve No.10~16 uniformly at 70℃.
[0205] (3) Add No.8 to (1) and mix.
[0206] (4) Add No.9 to (3) to neutralize.
[0207] (5) Add (2) to (4) and mix.
[0208] (6) Add No.17 to (5) and mix.
[0209] The skin cream of Example 21 is non-sticky and has excellent lasting shine. Furthermore, it is non-dripping and has good stability over time. In addition, its transparency is rated A, and its consistency is in the range of 200–500 mm.
Claims
1. A cosmetic product containing the following ingredients (A) to (E): (A) Polyols with a refractive index of 1.42–1.47; (B) Silicone oil; (C) Nonionic surfactants with HLB content of 1% or less (by mass) of 7% or more; (D) Amphiphilic polymers; (E) Less than 10% by mass of water, in, The content ratio of the above-mentioned component (B) to the above-mentioned component (A) is 1 to 30.
2. The cosmetic product according to claim 1, wherein, The content of the above-mentioned component (B) is 20-70% by mass.
3. The cosmetic product according to claim 1 or 2, wherein, The above component (D) is selected from at least one of the following: acrylic acid / alkyl methacrylate copolymer, (acrylate (ester) / behenol polyether-25 methacrylate) copolymer, ammonium acryloyl dimethyl taurate / vinylpyrrolidone copolymer, ammonium acryloyl dimethyl taurate / behenol polyether-25 methacrylate copolymer, hydroxyethyl acrylate / sodium acryloyl dimethyl taurate copolymer, sodium acrylate / sodium acryloyl dimethyl taurate copolymer, PEG-240 / decyl tetradecyl alcohol polyether-20 / hexamethyl diisocyanate copolymer and hydrophobic hydroxypropyl cellulose.
4. The cosmetic product according to claim 1 or 2, wherein, The above-mentioned component (C) is a nonionic surfactant with a sterol skeleton.
5. The cosmetic product according to claim 1 or 2, further comprising ingredient (F) N-alkylmethyl taurine.
6. The cosmetic product according to claim 1 or 2, wherein the transmittance at 590 nm is 70% or more.
7. The cosmetic product according to claim 1 or 2, wherein it is a no-rinse cosmetic product.
8. The cosmetic product according to claim 1 or 2, wherein it is a hair cosmetic product.
9. The cosmetic product of claim 8, used on wet hair.
Citation Information
Patent Citations
High-oil-content water-based cosmetic
JP2015193546A
Hair cosmetic
JP2019182807A