Oil-in-water solid cosmetics
The oil-in-water solid cosmetic formulation with sulfur-containing polysaccharides and xyloglucan enhances adhesion and ease of removal, addressing stickiness and residue issues in existing cosmetics.
Patent Information
- Application Number
- JP2021203668
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2021-12-15
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2041-12-15
AI Technical Summary
Existing oil-in-water emulsion cosmetics lack freshness, moisturizing effect, and adhesion to the skin, often causing stickiness and residue formation.
An oil-in-water solid cosmetic formulation containing sulfur-containing polysaccharides, xyloglucan, and wax, with a lamellar liquid crystal structure, providing a gel-like consistency that enhances adhesion and ease of removal.
Maintains high freshness and moisturizing effect while improving ease of removal and reducing residue formation, offering a soft, elastic application experience.
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Abstract
Description
[Technical Field]
[0001] The present invention relates to an oil-in-water emulsified solid cosmetic preparation, and more particularly to an oil-in-water solid cosmetic preparation obtained by an oil-in-water emulsion, which has a fresh feeling and moisturizing effect and also provides an excellent feeling when used. [Background technology]
[0002] Conventionally, solid cosmetics such as foundations have generally been made into water-in-oil emulsions containing waxes to maintain their shape, but such water-in-oil emulsion cosmetics sometimes lack the freshness, moisturizing effect, and moisturizing sensation when applied, and can also cause stickiness.
[0003] From this perspective, studies have been conducted to thicken or solidify oil-in-water emulsions to develop semi-solid or solid oil-in-water emulsion cosmetics that have a fresh feel and excellent moisturizing effects (Patent Document 1). However, there is still room for improvement in terms of adhesion to the skin when such cosmetics are applied directly to the skin. That is, it is desirable that an appropriate amount of the cosmetic adheres to the skin when applied directly to the skin, and that an appropriate amount of the cosmetic adheres to the puff when applied to the skin using a puff or the like, and that the cosmetic base does not break down when the cosmetic is applied to the skin or the puff, i.e., that appropriate "removal" is achieved. It is also desirable to prevent the formation of inappropriate lumps, i.e., residue, on the skin when applied to the skin. [Prior art documents] [Patent documents]
[0004] [Patent Document 1] International Patent Publication No. 2019 / 088056 Summary of the Invention
[0005] The present invention aims to provide an oil-in-water emulsified solid cosmetic that maintains a high level of freshness and moisturizing effect, while realizing excellent "removal" and also realizing an excellent feeling in use.
[0006] According to the present invention, the following inventions are provided. [1] (A) Sulfur-containing polysaccharide, (B) xyloglucan, and (C) Wax An oil-in-water solid cosmetic comprising: [2] The cosmetic preparation according to [1], wherein the component (A) is agar or carrageenan. [3] The cosmetic composition according to [1] or [2], wherein the component (B) is derived from a plant. [4] The cosmetic preparation according to any one of [1] to [3], wherein component (B) is tamarind gum. [5] The cosmetic preparation according to any one of [1] to [4], wherein component (C) is a hydrocarbon wax. [6] The cosmetic according to any one of [1] to [5], wherein the content of component (A) based on the total mass of the cosmetic is lower than the content of component (B). [7] The cosmetic preparation according to any one of [1] to [6], further comprising (D) a water-soluble thickener. [8] The cosmetic preparation according to any one of [1] to [7], further comprising a combination of (E) (e1) a hydrophilic surfactant and (e2) a higher alcohol. [9] The cosmetic preparation according to any one of [1] to [8], further comprising (F) glycerin.
[10] The cosmetic according to [9], wherein the content of component (F) is 10% or more based on the total mass of the cosmetic.
[11] The cosmetic preparation according to any one of [1] to
[10] , further comprising (G) a coloring material or glittering powder.
[12] A cosmetic preparation according to any one of [1] to
[11] , which has a rheometer hardness of 10 to 80 when measured at 25°C using a 5.6 mmφ needle at a penetration speed of 20 mm / min and a penetration distance of 3 mm.
[13] A container-packaged cosmetic comprising a container body, a lid, and the oil-in-water solid cosmetic described in any one of [1] to
[12] , wherein the oil-in-water solid cosmetic is molded and positioned so as to protrude from one surface of the container body, and the lid is attached to the container body, thereby retaining the oil-in-water solid cosmetic in the space defined by the container body and the lid, and wherein the oil-in-water solid cosmetic molded so as to protrude can be applied by directly contacting it with the skin.
[0007] According to the present invention, there is provided an oil-in-water solid cosmetic having excellent usability, in which the freshness, cooling sensation (refreshing sensation), moisturizing effect, and moisturizing sensation generally associated with oil-in-water emulsions are maintained at high levels, while the ease of removal is improved and the formation of residue is suppressed.
[0008] The oil-in-water solid cosmetic of the present invention contains oil droplets with a lamellar liquid crystal structure as the internal phase (oil phase), and a specific hydrophilic thickener as the external phase (aqueous phase). When this solid cosmetic is applied by rubbing the surface of the cosmetic with an applicator such as a puff, or by directly contacting it with the skin, the liquid crystal structure is broken down and the cosmetic turns into a gel. Therefore, although it is an oil-in-water emulsion, it is believed to be able to achieve the same "removal" effect as a water-in-oil emulsion solid cosmetic. Specific Description of the Invention
[0009] The oil-in-water solid cosmetic preparation according to the present invention (hereinafter simply referred to as the cosmetic preparation) comprises (A) a sulfur-containing polysaccharide, (B) a xyloglucan, and (C) a wax. Each component contained in the cosmetic preparation according to the present invention is described below.
[0010] [Sulfur-containing polysaccharide] The cosmetic composition according to the present invention contains a specific combination of polysaccharides, one of which is a sulfur-containing polysaccharide (hereinafter sometimes referred to as component (A)). A polysaccharide is a hydrocarbon compound in which multiple monosaccharides, for example, 10 or more, are bonded together.
[0011] Among these, sulfur-containing polysaccharides that can be used in the present invention are those containing a monosaccharide structure having a sulfur-containing group such as a sulfate group or a sulfonate group. Such sulfur-containing polysaccharides are often found in polysaccharides derived from seaweed, and specific examples include agar and carrageenan. Agar has a basic structure containing a large amount of galactose as a monosaccharide unit, and contains neutral agarose and agaropectin with ionic groups, some of which contain sulfate groups.
[0012] Carrageenan also has a basic structure containing a large amount of galactose as a monosaccharide unit. Carrageenan is classified into three types: kappa-carrageenan, lambda-carrageenan, and iota-carrageenan, all of which contain sulfate groups. In general, carrageenan has a higher sulfate group content than agar.
[0013] Agar gels when dissolved in an aqueous solvent and cooled, as the agar molecules form a three-dimensional structure, contributing to the solidification of cosmetics. Carrageenan also gels easily in the presence of metal ions. These sulfur-containing polysaccharides form different network structures during gelation depending on the type, resulting in different elasticity of the gel. Therefore, adjusting the blending ratio of these polysaccharides allows for the adjustment of the hardness of solid cosmetics.
[0014] These sulfur-containing polysaccharides are generally produced by extracting them from seaweed with hot water, and because they generally exhibit high levels of syneresis, they also contribute to the freshness of cosmetics when used.
[0015] In the cosmetic according to the present invention, the content of component (A) is preferably from 0.01 to 3 mass %, and more preferably from 0.1 to 0.75 mass %, based on the total mass of the cosmetic.
[0016] [Xyloglucan] The cosmetic preparation according to the present invention contains xyloglucan (hereinafter sometimes referred to as component (B)) as a polysaccharide separate from the above-mentioned component (A). The basic structure of xyloglucan is a β-1,4-glucan main chain to which xylose side chains are linked via α-1,6 bonds. Galactose or fucose may also be linked as side chains. Xyloglucan is generally derived from plants and does not contain sulfur.
[0017] A typical example of xyloglucan is tamarind gum derived from tamarind seeds. In the present invention, it is preferable to use this tamarind gum. Tamarind gum is a xyloglucan derived from natural products, but it contains few impurities, and when used, a stable product can be obtained. Tamarind gum is produced by crushing, separating, and purifying tamarind seeds.
[0018] In the cosmetic according to the present invention, the content of component (B) is preferably 0.1 to 3 mass %, more preferably 0.1 to 3 mass %, based on the total mass of the cosmetic.
[0019] In the present invention, the effects achieved vary depending on the blending ratio of component (A) to component (B). To maximize the effects of the present invention, it is preferable that the content (MA) of component (A) is lower than the content (MB) of component (B), and the ratio (MB / MA) of the content of component (B) to the content of component (A) is preferably in the range of 1 to 12.
[0020] [wax] The cosmetic preparation according to the present invention comprises a wax (hereinafter sometimes referred to as component (C)). This wax is a non-liquid, oily material. In the present invention, the wax can be selected as needed from those commonly used in cosmetics. Waxes can be broadly divided into synthetic waxes and natural waxes, and either can be used. Synthetic waxes include hydrocarbon synthetic waxes, higher fatty acid esters, fatty acid amides, ketones, amines, and hydrogenated oils. Natural waxes include waxes derived from animals, plants, petroleum, and minerals. Of these various waxes, hydrocarbon waxes are preferably used in the present invention. Examples of hydrocarbon waxes include hydrocarbon synthetic waxes such as Fischer-Tropsch wax and polyethylene wax, and petroleum- or mineral-derived natural hydrocarbon waxes such as paraffin wax, microcrystalline wax, and ceresin wax.
[0021] Furthermore, in the present invention, examples of wax that can be used include carnauba wax, candelilla wax, sunflower seed wax, beeswax, cotton wax, bayberry wax, privet wax, spermaceti wax, montan wax, rice wax, kapok wax, Japan wax, lanolin acetate, liquid lanolin, sugarcane wax, lanolin fatty acid isopropyl, hexyl laurate, reduced lanolin, jojoba wax, hard lanolin, shellac wax, beeswax, POE lanolin alcohol ether, POE lanolin alcohol acetate, POE cholesterol ether, lanolin fatty acid polyethylene glycol, fatty acid glyceride, hydrogenated castor oil, petrolatum, and POE hydrogenated lanolin alcohol ether. In the present invention, the wax may be a combination of two or more of the above waxes or other waxes.
[0022] In the cosmetic according to the present invention, the content of component (C) is preferably from 0.01 to 5 mass %, and more preferably from 0.1 to 2 mass %, based on the total mass of the cosmetic.
[0023] [water] The cosmetic preparation according to the present invention further contains water as a component of the aqueous phase. As the water, water generally used in cosmetics can be used, such as purified water, ion-exchanged water, tap water, etc.
[0024] [Other ingredients] The cosmetic composition according to the present invention must contain the above-mentioned components (A) to (C), but may also contain other components as required. One such component is a water-soluble thickener (hereinafter sometimes referred to as component (D)). Various water-soluble thickeners are known, including polysaccharides other than the aforementioned component (A) or component (B), and various polymers. Examples of such water-soluble thickeners include natural or semi-synthetic aqueous polymers, synthetic aqueous polymers, and water-swellable clay minerals. Specific examples are as follows:
[0025] The natural or semi-synthetic water-soluble polymer includes polysaccharides other than component (A) and their derivatives (including water-soluble alkyl-substituted polysaccharide derivatives). For example, Plant-based polymers such as gum arabic, gum tragacanth, and galactan; Microbial polymers such as xanthan gum, dextran, succinoglycan, and pullulan; starch-based polymers such as carboxymethyl starch; Cellulose-based polymers such as methylcellulose, nitrocellulose, ethylcellulose, sodium carboxymethylcellulose, and the like; and Alginate-based polymers such as sodium alginate etc.
[0026] Synthetic water-soluble polymers include ionic or nonionic water-soluble polymers, such as: vinyl polymers such as polyvinyl alcohol and polyvinylpyrrolidone; Polyoxyethylene polymers such as polyethylene glycol; Polyoxyethylene polyoxypropylene copolymer polymers; acrylic polymers such as sodium polyacrylate, polyethyl acrylate, polyacrylamide compounds (e.g., poly2-acrylamido-2-methylpropanesulfonic acid, polymethacryloyloxytrimethylammonium, (acryloyldimethyltaurate ammonium / VP) copolymer, (dimethylacrylamide / sodium acryloyldimethyltaurate) crosspolymer, etc.), acrylic acid / alkyl methacrylate copolymers; Polyethyleneimine, Cationic Polymer etc.
[0027] Examples of inorganic water-swellable clay minerals include bentonite, AlMg silicate (trade name "Veegum"), laponite, and hectorite.
[0028] When component (D) is used in the cosmetic composition according to the present invention, it is preferable to use an acrylic polymer among the aqueous thickeners described above, and it is particularly preferable to use cellulose nanofiber or a (dimethylacrylamide / sodium acryloyldimethyltaurate) crosspolymer.
[0029] When the cosmetic according to the present invention contains component (D), the content thereof is preferably 5.0% by mass or less, and more preferably 0.1 to 1.0% by mass, based on the total mass of the cosmetic.
[0030] Furthermore, the cosmetic preparation according to the present invention preferably comprises an aggregate having a lamellar liquid crystal structure obtained by combining a specific higher alcohol with a specific surfactant. This aggregate is a combination of (e1) a hydrophilic surfactant and (e2) a higher alcohol (hereinafter, this combination may be referred to as component (E)). The hydrophilic surfactant (e1) constituting the component (E) is at least one selected from the group consisting of nonionic surfactants, anionic surfactants, cationic surfactants, and amphoteric surfactants. As the hydrophilic surfactant, a nonionic surfactant is preferably used.
[0031] Nonionic surfactants that can be used in the cosmetic preparations of the present invention can be selected from, for example, polyethylene glycol fatty acid esters, polyoxyethylene fatty acid glyceryl, polyoxyethylene-methylpolysiloxane copolymers, fatty acid polyoxyethylene sorbitan, polyoxyethylene alkyl ethers, etc. Of these nonionic surfactants, those with an HLB value of 10 or higher are preferably used.
[0032] Preferred examples of nonionic surfactants with an HLB value of 10 or more include: Polyethylene glycol monostearate (e.g., PEG-40 stearate), Polyoxyethylene sorbitan monostearate (such as polysorbate 60), and Polyoxyethylene Behenyl Ether (Beheneth-20) These nonionic surfactants can be used alone or in combination of two or more.
[0033] The hydrophilic surfactant constituting the component (E) may be an anionic surfactant, a cationic surfactant, or an amphoteric surfactant.
[0034] In the cosmetic according to the present invention, the blending ratio of the hydrophilic surfactant is preferably 0.05 to 10% by mass, and more preferably 0.05 to 5% by mass, relative to the total mass of the oil-in-water emulsion cosmetic. If the blending ratio of the hydrophilic surfactant is too low or too high, sufficient emulsion stability may not be obtained.
[0035] The higher alcohols that can be used in the cosmetic compositions of the present invention are not particularly limited as long as they are higher alcohols that can be used in the fields of cosmetics, pharmaceuticals, quasi-drugs, etc., preferably alcohols with 6 or more carbon atoms. These higher alcohols include linear or branched, saturated or unsaturated monohydric alcohols. Examples of linear alcohols include saturated alcohols such as lauryl alcohol, myristyl alcohol, stearyl alcohol, behenyl alcohol, ceryl alcohol, and cetostearyl alcohol, and unsaturated alcohols such as elaidyl alcohol. Examples of branched alcohols include batyl alcohol and 2-decyltetradecynol. These higher alcohols can be used in combination of two or more. From the perspective of stability over time, saturated linear monohydric alcohols, such as behenyl alcohol or stearyl alcohol, are preferred for the cosmetic compositions of the present invention, and combinations of these are even more preferred. Furthermore, it is preferable to use a branched alcohol, such as batyl alcohol, in combination with these saturated linear monohydric alcohols or combinations thereof. A combination of behenyl alcohol, stearyl alcohol, and batyl alcohol is most preferred.
[0036] It is also preferable to use a higher alcohol having a melting point of 60° C. or higher, such as behenyl alcohol or stearyl alcohol.
[0037] In the cosmetic according to the present invention, the blending ratio of the higher alcohol is preferably 0.1 to 10% by mass, and more preferably 0.1 to 5% by mass, relative to the total mass of the oil-in-water emulsion cosmetic. Care must be taken, as if the blending ratio of the higher alcohol is too low or too high, sufficient emulsion stability may not be obtained.
[0038] Although the association formed by the combination of component (e1) and component (e2) significantly improves the properties of the cosmetic preparation according to the present invention, it is also possible to blend only either component (e1) or component (e2).
[0039] The cosmetic according to the present invention may further contain (F) glycerin. Glycerin is commonly used as a moisturizing agent in cosmetics and is also preferably used in the present invention.
[0040] The cosmetic of the present invention can contain a relatively large amount of the moisturizing agent. When a large amount of glycerin was blended into a conventional oil-in-water solid cosmetic, the cosmetic often became sticky or too hard, resulting in a poor feel when used. However, in the cosmetic of the present invention, such problems are unlikely to occur even when a large amount of glycerin is blended; specifically, 10% by mass or more of glycerin can be blended, based on the total mass of the cosmetic. By increasing the blending ratio of glycerin, excellent moisturizing properties can be achieved.
[0041] The cosmetic according to the present invention may further contain (G) a coloring material or glittering powder (hereinafter, sometimes referred to as component (G)). Component (G) can be selected from any coloring material or glittering powder typically used in cosmetics. When component (G) is blended into the cosmetic according to the present invention, the aesthetic appearance of the skin to which the cosmetic is applied can be improved.
[0042] Examples of coloring materials include inorganic pigments such as titanium oxide, zinc oxide, red iron oxide, yellow iron oxide, black iron oxide, mica, and talc, and organic pigments such as natural colorants. These pigments may be surface-treated with a fluorine compound, a silicone compound, a fatty acid, or the like. The glittering powder may be a glossy, plate-like or spherical powder having an interference color, pearlescent luster, or metallic luster, and is typically used in cosmetics. Examples include titanium mica, iron oxide-coated titanium mica, carmine-coated titanium mica, carmine- and konjo-coated titanium mica, iron oxide- and carmine-treated titanium mica, konjo-treated mica, iron oxide- and konjo-treated titanium mica, chromium oxide-treated titanium mica, black titanium oxide-treated mica, acrylic resin-coated aluminum powder, silica-coated aluminum powder, titanium oxide-coated mica, titanium oxide-coated bismuth oxychloride, titanium oxide-coated talc, colored titanium oxide-coated mica, titanium oxide-coated synthetic mica, titanium oxide-coated silica, titanium oxide-coated alumina, titanium oxide-coated glass flakes, polyethylene terephthalate-polymethyl methacrylate laminated film powder, bismuth oxychloride, and fish scale foil.
[0043] When the cosmetic preparation according to the present invention contains component (G), the content thereof is generally 0.01 to 20% by mass, and preferably 0.1 to 10% by mass.
[0044] The cosmetic composition according to the present invention may contain optional components other than those described above. Examples of such components include liquid oils that are liquid at room temperature. The liquid oils that can be combined with the cosmetic composition according to the present invention are not particularly limited and can be selected from hydrocarbon oils, ester oils, silicone oils, oils and fats, fragrances, oil-soluble UV absorbers, and the like, which are commonly used in cosmetics.
[0045] The cosmetic composition according to the present invention may also contain a water-soluble ultraviolet absorber, a moisturizer other than component (G), a lipophilic thickener, a lower alcohol (having less than 6 carbon atoms), an antioxidant, an anti-inflammatory agent, a whitening agent, various extracts, an activator, a blood circulation promoter, an antiseborrheic agent, an anti-inflammatory agent, an oil-soluble film-forming agent, a water-soluble film-forming agent, and an amino acid or peptide.
[0046] The cosmetic preparation according to the present invention contains the above-mentioned ingredients, and the water-in-oil solid cosmetic preparation according to the present invention has a soft, elastic, jelly-like shape, and is characterized by the fact that an appropriate amount of cosmetic spreads evenly when applied directly to the skin. Furthermore, even when applying the cosmetic preparation stored in a compact or the like with a puff or the like, it can be removed properly. Furthermore, whether the cosmetic preparation is applied directly to the skin or with a puff or the like, it is less likely to leave residue, providing an excellent feel when used.
[0047] When the hardness of the cosmetic according to the present invention is within a specific range, a particularly excellent feeling in use can be achieved. Specifically, the rheometer hardness measured at 25°C using a 5.6 mmφ needle at a penetration speed of 20 mm / min and a penetration distance of 3 mm is preferably 10 to 80. More specifically, the rheometer hardness γ is calculated from the measured stress measured under the above conditions using the following formula: γ=(G*L) / (l*a) (dyn / cm 2 ) (In the formula, G: Measured stress (gr) x 980 dyn L: Sample thickness (mm) l: Compression distance (mm) a: needle cross-sectional area (cm 2 ))
[0048] The oil-in-water emulsified solid cosmetic preparation according to the present invention can be provided as a makeup cosmetic such as a foundation, a UV care cosmetic such as a sunscreen, or a skin care cosmetic, taking advantage of its characteristics such as easy application, a moist feel, and excellent moisturizing effect.
[0049] The form of the cosmetic according to the present invention is not particularly limited, and may take the form of, for example, a makeup base, foundation, face powder, blush, lipstick, mascara, eye shadow, eyeliner, etc. In particular, it is preferable that the cosmetic be in a form that can be applied directly to the skin, such as the cheeks or lips.
[0050] The cosmetic composition according to the present invention may be made into a product in a form housed in a container. In this case, it is preferable that the product be in a form that allows easy direct application to the skin.
[0051] For example, the cosmetic can be contained in a cylindrical container so that a portion of the cosmetic protrudes, such as in a stick lipstick. The shape of the protruding portion is not particularly limited and may be cylindrical or prismatic, but is preferably dome-shaped to reduce irritation to the skin when applied directly to the skin.
[0052] As the contained cosmetic material is used, the volume of the portion protruding from the container body decreases, so the container body can be provided with a mechanism for pushing out the cosmetic material.
[0053] Such containerized cosmetics can be applied to the skin by themselves, making them easy to use, and also have the advantage of reducing cosmetic loss because no indirect application device such as a puff is used. Furthermore, the cosmetics of the present invention have unprecedented flexibility, achieve excellent "removal," and suppress the formation of residue, eliminating the need for mesh coverings that are generally required to maintain adhesion to the skin. Such containers can be selected from any of the conventionally known containers.
[0054] [Example] The present invention will be described in more detail below with reference to examples, but the present invention is not limited thereto. Unless otherwise specified, the blending amounts are expressed as % by mass relative to the total mass of the cosmetic.
[0055] [Examples 1 to 5, Comparative Examples 1 to 4] Oil-in-water solid cosmetic preparations having the compositions shown in Table 1 below were produced and evaluated for the following items. The results are also shown in Table 1. (1) Take The cosmetics were combined in a container as shown in Figure 1, and the removal rate when applied directly to the skin was evaluated. C-: Too little removal C: Slightly less removal A: Optimal removal B: Slightly more removal B-: Too much material (2) Elasticity The surface of the cosmetic was pressed with a finger to evaluate the feel. C-: Too soft C: Slightly soft A: Appropriate and unique elasticity B: Slightly hard B-: Hard (3) Scum formation The cosmetic was applied to the skin and evaluated for the formation of residue when spread. C: Crumbly residue is formed B: A small amount of residue is generated A: No residue is formed (4)Hardness 24 hours after preparation of the cosmetic, the hardness was measured using a rheometer (manufactured by Sun Scientific Co., Ltd.) at 25°C under the conditions of a pressure-sensitive shaft of 5.6φ, a penetration of 3 mm, and a penetration rate of 20 mm / min.
[0056] [Table 1]
[0057] These results show that if any of the components (A) or (B) is missing, the removal and elasticity will be inappropriate.
[0058] [Examples 6 to 8] Cosmetics were prepared by varying the blending ratio of component (A) and component (B) compared to Example 1. These cosmetics were evaluated in the same manner as in Example 1.
[0059] [Table 2]
[0060] From these results, it can be seen that elasticity tends to deteriorate when MB / MA is reduced, but excellent elasticity can be obtained within the range of MB / MA=1 to 12.
Claims
1. (A) sulfur-containing polysaccharide, (B) xyloglucan, and (C) Wax Including, An oil-in-water solid cosmetic preparation, in which the ratio (MB / MA) of the content of component (B) to the content of component (A) is in the range of 1 to 12.
2. 2. The cosmetic according to claim 1, wherein component (A) is agar or carrageenan.
3. 3. The cosmetic preparation according to claim 1, wherein the component (B) is derived from a plant.
4. The cosmetic according to any one of claims 1 to 3, wherein component (B) is tamarind gum.
5. The cosmetic preparation according to any one of claims 1 to 4, wherein component (C) is a hydrocarbon wax.
6. A cosmetic preparation described in any one of claims 1 to 5, wherein MB / MA is 3.3 or more.
7. The cosmetic preparation according to any one of claims 1 to 6, further comprising (D) a water-soluble thickener.
8. The cosmetic preparation according to any one of claims 1 to 7, further comprising (E) a combination of (e1) a hydrophilic surfactant and (e2) a higher alcohol.
9. The cosmetic preparation according to any one of claims 1 to 8, further comprising (F) glycerin.
10. The cosmetic according to claim 9, wherein the content of component (F) is 10% or more based on the total mass of the cosmetic.
11. The cosmetic according to any one of claims 1 to 10, further comprising (G) a coloring material or a glittering powder.
12. The cosmetic preparation according to any one of claims 1 to 11, which has a rheometer hardness of 10 to 80 as measured at 25°C using a 5.6 mmφ needle at a penetration rate of 20 mm / min and a penetration distance of 3 mm.
13. A container-packed cosmetic comprising a container body, a lid, and the oil-in-water solid cosmetic according to any one of claims 1 to 12, wherein the oil-in-water solid cosmetic is molded to protrude and arranged on one surface of the container body, and the lid is attached to the container body, thereby retaining the oil-in-water solid cosmetic in a space defined by the container body and the lid, and wherein the oil-in-water solid cosmetic molded to protrude can be applied by directly contacting it with the skin.
Citation Information
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