Spray-type cosmetics

Abstract

This invention provides a spray-type cosmetic that uniformly combines powders and oils as ingredients to impart shine, brightness, and emollient effects, and that provides long-lasting cosmetic effects with excellent dispersion stability over time. [Solution] A spray-type cosmetic comprising a microgel particle composition containing the following components (A) to (F): (A) gellan gum 0.05 to 1% by mass, (B) calcium chloride 0.005 to 0.2% by mass, (C) plate-like powder 0.01 to 5% by mass, (D) oily component 0.1 to 3% by mass, and (E) polyhydric alcohol 10 to 20% by mass, which is filled into a container having a mechanism for spraying in a mist form and used after shaking.

Description

Technical Field

[0001] The present invention relates to a spray-type cosmetic.

Background Art

[0002] In recent years, with the diversification of consumer groups and lifestyles, the demand for keeping the skin healthy and beautiful has been further expanding. Also, with the expansion of the customer base, the number of consumers who are not accustomed to using cosmetics is increasing. Therefore, there is a greater demand than ever for a formulation that can be applied simply and uniformly, provides a lasting sense of satisfaction without frequent reapplication, and does not cause discomfort such as stickiness. According to conventional research, spray-type cosmetics have been developed as a form that can apply the formulation simply and uniformly. Since many spray-type cosmetics were lotions, although a moisturizing feeling can be imparted by blending a water-soluble moisturizer such as glycols, there was room for improvement in sufficiently imparting the glossiness and emollient effect, which are characteristics of pearl powder and oil agents.

[0003] On the other hand, various technological developments using microgel technology have been carried out. A microgel is also called a crosslinked macromolecule in a molecule, has a macroscopic size similar to that of a three-dimensional crosslinked polymer, and often forms a single crosslinked structure throughout the composition. Despite having a clear surface that does not vary from the crosslinked structure, it is characterized by dissolving or colloidal dispersion (see Non-Patent Document 1). Also, it generally refers to fine particles in the micron to submicron size range. Due to the weak interaction between the fine particles, when standing, it forms a continuous gel state, but by applying mechanical force such as shaking or a spray container, it exceeds the yield value and changes to a liquid state. The appearance of being a dispersion of fine particles but macroscopically looking like a uniform liquid, and the smooth and fresh feeling are unique and good. Applying the above microgel technology, a cosmetic composition has been developed that contains a microgel obtained by dissolving one or more gelling agents selected from agar and deacyl-type gellan gum in an aqueous solvent to obtain a solution, and then crushing the gel during gelation by forced cooling and / or addition of a crosslinking agent, along with a dispersed phase (see Patent Document 1). In addition, a sprayable composition has been developed by combining polysaccharides such as gellan gum with divalent alkaline earth cations such as magnesium sulfate (see Patent Document 2). [Prior art documents] [Non-patent literature]

[0004] [Non-Patent Document 1] Thermosetting resin Vol.12 No.4 1991, p43-44 [Patent Documents]

[0005] [Patent Document 1] Japanese Patent Publication No. 2005-82527 [Patent Document 2] US10716746B [Overview of the project] [Problems that the invention aims to solve]

[0006] However, while the technology described in Patent Document 1 yields a cosmetic composition with excellent dispersion stability over time, even when incorporating dispersed particles such as powders and oils, when filled into a container with a mist-spraying mechanism, problems such as poor dispensing due to drying of the nozzle occurred, and it was sometimes difficult to apply the product easily and uniformly to the skin. Furthermore, while the technology described in Patent Document 2 yields a sprayable cosmetic, using a magnesium salt with low solubility in water as the divalent alkaline earth cation may cause precipitation and impair stability, making uniform spraying difficult and raising concerns that cosmetic effects such as glossiness may not be achieved. Therefore, there was a need for the development of a cosmetic product that contains powders and oils as ingredients to provide gloss and emollient effects, while also possessing excellent stability over time and being able to be sprayed uniformly over a long period of time. [Means for solving the problem]

[0007] In view of the above circumstances, the inventors diligently conducted research and, as a result, prepared an aqueous microgel containing a specific amount of gellan gum, calcium chloride, and polyhydric alcohol. By further combining this with a powder and an oil, they obtained a microgel particle composition, which was then used as a spray-type cosmetic, thereby solving the above problems and completing the present invention.

[0008] In other words, the present invention provides the following: <1> The following components (A) to (F): (A) Gellan gum 0.05-1% by mass (B) Calcium chloride 0.005~0.2% by mass (C) Powder 0.01~5% by mass (D) Oils 0.1-3% by mass (E) Polyhydric alcohols 10-20% by mass (F)Water A spray-type cosmetic comprising a microgel particle composition containing [a specific substance], filled into a container having a mechanism for spraying it in a mist-like form, and used after shaking. <2> Substantially free of surfactants <1> The spray-type cosmetic described above. <3> In the microgel particle composition, the mass ratio of the content of component (A) gellan gum to the content of component (B) calcium chloride; (A) / (B) is between 1 and 100. <1> or <2> The spray-type cosmetic described above. <4> The aforementioned component (A) gellan gum is a deacyl gellan gum. <1> or <2> The spray-type cosmetic described above. <5> The aforementioned component (C) powder contains a glossy, plate-like powder. <1> or <2> The spray-type cosmetic described above. <6> A method for producing a microgel particle composition, characterized by comprising the steps of dissolving gellan gum in an aqueous solvent, adding calcium chloride to the resulting solution, rapidly cooling the solution to obtain a gel, pulverizing the resulting gel, and further diluting it with an aqueous solvent. [Effects of the Invention]

[0009] The microgel particle composition of the present invention exhibits excellent dispersion stability of the dispersed phase, resulting in improved stability over time. It provides a good feel, including gloss and emollient properties, and when used as a spray-type cosmetic, it offers excellent dispensing properties, allowing for uniform spraying and application over a long period. Therefore, the spray-type cosmetic of the present invention can easily impart cosmetic effects such as gloss through a uniform cosmetic film, and these cosmetic effects also have excellent durability. [Modes for carrying out the invention]

[0010] Embodiments of the present invention will be described below. However, the present invention is not limited to the embodiments described below. In this specification, "X~Y" indicating a range includes X and Y, and means "X or more and Y or less". Unless otherwise specified, operations and measurements of physical properties, etc., are performed under conditions of room temperature (e.g., 25°C) / relative humidity (e.g., 50% RH). In this specification, when describing the content of a component, if there are two or more components, the content refers to the total amount of each component.

[0011] The microgel particle composition of the present invention is an aqueous composition in which components (C) and (D) are dispersed in a microgel containing components (A), (B), and (E). While forming a continuous gel state when left standing, it exceeds its yield value and changes to a liquid state when shaken or mechanical force from a spray container is applied, allowing it to be sprayed in a mist from a spray container and enabling uniform application.

[0012] (Ingredient (A): Gellan gum) The component (A) gellan gum used in this invention is a polymer also known as a polysaccharide produced extracellularly by the microorganism Sphingomonas elodea, and is an aqueous gelling agent that forms an elastic gel when swollen with water. It also has the property of further increasing in viscosity with the addition of metal cations such as calcium ions and sodium ions. Component (A) is known to exist in both native and deacyl forms (in which the acetyl and glyceryl groups present in 1-3 linked glucose are removed), and either can be used. From the viewpoint of gel strength and thermal stability, the deacyl form is preferred. Commercially available products include KELCOGEL CC-Deacyl (manufactured by Sansho Co., Ltd.), Gelcogel (manufactured by Dainippon Sumitomo Pharma Co., Ltd.), Kelcogel F (manufactured by Dainippon Sumitomo Pharma Co., Ltd.), Kelcogel HM (manufactured by Dainippon Sumitomo Pharma Co., Ltd.), Kelcogel HT (manufactured by Dainippon Sumitomo Pharma Co., Ltd.), and Kelcogel LT100 (manufactured by Dainippon Sumitomo Pharma Co., Ltd.).

[0013] The content of component (A) in the present invention is 0.05 to 1% by mass (hereinafter simply abbreviated as "%") relative to the total amount of the microgel particle composition. The lower limit is 0.05% or more, and more preferably 0.1% or more, from the viewpoint of dispersion stability. The upper limit is 1% or less, and more preferably 0.8% or less, from the viewpoint of uniformity of the cosmetic film which is affected by the dispensing properties.

[0014] (Ingredient (B): Calcium chloride) Component (B) calcium chloride used in the present invention acts as a crosslinking agent for component (A). The content of component (B) in the present invention is 0.005 to 0.1% of the total amount of the microgel particle composition. From the viewpoint of dispersion stability, the lower limit is 0.005% or more, and more preferably 0.01% or more. From the viewpoint of solubility, the upper limit is 0.2% or less, and more preferably 0.1% or less.

[0015] In the microgel particle composition of the present invention, the content ratio of component (A) to the content of component (B); (A) / (B) is, from the viewpoint of dispersion stability, at least 1 as the lower limit, and more preferably at least 5. As the upper limit, from the viewpoints of dispersion stability and solubility, it is 100 or less, and more preferably 50 or less.

[0016] (Component (C): powder) The component (C) powder used in the present invention is not particularly limited by the shape such as spherical, plate-like, needle-like, amorphous, etc., the particle diameter such as smoke-like, fine particles, pigment grade, etc., and the particle structure such as porous, non-porous, etc., as long as it is generally used in cosmetics and the like. Examples include inorganic powders, lustrous powders, organic powders, pigment powders, metal powders, composite powders, etc. Specifically, inorganic substance powders such as mica, talc, kaolin, calcium carbonate, magnesium carbonate, anhydrous silicic acid, aluminum oxide, barium sulfate, boron nitride, synthetic fluorophlogopite, iron-containing synthetic fluorophlogopite; inorganic colored powders such as red iron oxide, yellow iron oxide, black iron oxide, chromium oxide, chromium hydroxide, ultramarine, cobalt blue, carbon black, titanium oxide, zinc oxide; lustrous powders such as boron nitride, mica titanium, fish scale foil, bismuth oxychloride; organic powders such as polyethylene powder, polymethyl methacrylate, nylon powder, silicon powder; tar pigment powders for cosmetics; metal powders such as aluminum powder, gold powder, silver powder; composite powders such as fine particle titanium oxide-coated mica titanium, fine particle zinc oxide-coated mica titanium, barium sulfate-coated mica titanium, titanium oxide-containing silicon dioxide, zinc oxide-containing silicon dioxide, etc. One or more of these can be used. Component (C) may be further compounded, and may be surface-coated with a commonly known surface treatment agent such as a silicone-based compound, a coupling agent, an oil agent, etc. Among these, from the viewpoint of gloss, a powder having luster is preferable.

[0017] The content of component (C) in the present invention is 0.01 to 5% with respect to the total amount of the microgel particle composition. As the lower limit, from the viewpoint of the gloss feeling, it is 0.01% or more, and more preferably 0.05% or more. As the upper limit, from the viewpoint of dispersion stability, it is 5% or less, and more preferably 2.5% or less.

[0018] (Component (D): Oil agent) The component (D) oil used in the present invention is not particularly limited as long as it is commonly used in cosmetics, etc., but can be (semi)solid oils, liquid oils, volatile oils, etc., regardless of their origin, such as animal oils, vegetable oils, synthetic oils, etc., and can include oils and fats, ester oils, hydrocarbon oils, higher fatty acids, higher alcohols, silicone oils, fluorinated oils, etc., and may contain one or more selected from these as needed. Specifically, oils and fats such as olive oil, castor oil, mink oil, macadamia nut oil, avocado oil, meadowfoam oil, eucalyptus oil, hydrogenated palm oil, coconut oil, peppermint oil, evening primrose oil, beeswax, camellia oil, almond oil, cocoa oil, sesame oil, sunflower oil, peanut oil, carnauba wax, etc.Phytosteryl oleate, phytosteryl isostearate, dimer dilinoleate (phytosteryl / isostearyl / cetyl / stearyl / behenyl), dimer dilinoleate (isostearyl / phytosteryl), macadamia nut fatty acid phytosteryl, lauroyl glutamate di(octyldodecyl / phytosteryl / behenyl), lauroyl glutamate di(phytosteryl / octyldodecyl), cholesteryl oleate, dihydrocholesteryl oleate, cholesteryl stearate, cholesteryl nonanoate, cholesteryl hydroxystearate, macadamia nut fatty acid cholesteryl, lauroyl glutamate di(cholesteryl / octyldodecyl), lauroyl glutamate di(cholesteryl / behenyl / octyldodecyl) Cholesteryl butyrate, dihydrocholesteryl butyrate, glycerin monostearate, glycerin distearate, glycerin monooleate, myristyl palmitate, cetyl palmitate, cetyl 16-hydroxypalmitate, cetyl isooctanoate, isopropyl palmitate, isobutyl palmitate, isopropyl stearate, butyl stearate, isocetyl stearate, isopropyl myristate, 2-octyldodecyl myristate, hexyl laurate, isopropyl laurate, decyl oleate, neopentyl glycol dicaprate, diethyl phthalate, myristyl lactate, diisopropyl adipate, A Ester oils such as hexadecyl dipicate, cetyl myristate, myristyl lactate, diisostearyl malate, diisopropyl adipate, cetyl myristate, cetyl lactate, 1-isostearyl-3-myristoylglycerol, cetyl 2-ethylhexanoate, 2-ethylhexyl palmitate, 2-octyldodecyl myristate, neopentyl glycol di-2-ethylhexanoate, 2-octyldodecyl oleate, glycerol triisostearate, glyceryl mono-2-ethylhexanoate di-paramethoxycinnamate, pentaerythritol tetraester, glycerin triester, and glycerol tri-2-ethylhexanoate;Liquid paraffin (mineral oil), petrolatum, ceresin, ozokerite, montan wax, squalane, squalene, isododecane, isohexadecane, heavy liquid isoparaffin, α-olefin oligomers, polyisobutylene, polybutene and other hydrocarbon oils; stearic acid, oleic acid, linoleic acid, isostearic acid, myristic acid, palmitoleic acid, ricinoleic acid, lauric acid, behenic acid, and hydroxy fatty acids having a hydroxyl group in the alkyl group of these fatty acids, palmitic acid and other higher fatty acids; oleyl alcohol, isostearyl alcohol, octyldodecanol, decyltetradecanol, benzyl alcohol, isocetyl alcohol, isostearyl alcohol, behenyl alcohol, hexadecyl alcohol, phenylethyl alcohol, cetanol, stearyl alcohol, oleyl alcohol Examples include higher alcohols such as ethanol, 2-octyldodecanol, batyl alcohol, and 2-hexyldecanol; dimethylpolysiloxane (dimethicone), high-polymerization dimethylpolysiloxane, methylphenylpolysiloxane (diphenyldimethicone), decamethylcyclopentasiloxane, octamethylcyclotetrasiloxane, trimethylsiloxysilicate, and silicone oils such as polyether-modified silicones, polyether-alkyl-modified silicones, oxazolyl-modified silicones, alkyl glyceryl ether-modified silicones, and fluorine-modified organopolysiloxanes; fluorine-based oils such as perfluorodecane, perfluorooctane, and perfluoropolyether; phospholipids; naturally extracted sphingosine derivatives and their compounds (e.g., glucosylceramide, galactosylceramide, ceramide, etc.).

[0019] The content of component (D) in the present invention is 0.1 to 3% of the total amount of the microgel particle composition. From the viewpoint of emollient effect, the lower limit is 0.1% or more, and more preferably 0.5% or more. From the viewpoint of dispersion stability, the upper limit is 3% or less, and more preferably 2% or less.

[0020] (Component (E): Polyhydric alcohol) The component (E) polyhydric alcohol used in the present invention is an alcohol having a structure with two or more hydroxyl groups in its skeleton. It is not particularly limited as long as it is commonly used in cosmetics and the like, but examples include dihydric alcohols such as 1,3-butylene glycol, dipropylene glycol, tripylene glycol, propylene glycol, 1,2-pentanediol, octanediol, hexanediol, polyethylene glycol, and polypropylene glycol; glycerols such as glycerin, diglycerin, and polyglycerin; sugar alcohols such as erythritol, xylitol, maltitol, mannitol, and sorbitol; and alkylene oxide derivatives such as polyoxyalkylene glycerin, polyoxyalkylene alkyl glucoside, polyoxyalkylene alkyl ether, and dicarboxylic acid polyoxyalkylene alkyl ether. One or more of these can be used. Among these, from the viewpoint of sufficient moisturizing effect and a refreshing feel, component (E) is preferably a compound that is liquid at 25°C and preferably contains at least one selected from the group consisting of glycerin, 1,3-butylene glycol, dipropylene glycol, and propylene glycol.

[0021] The content of component (E) in the present invention is 10 to 20% of the total amount of the microgel particle composition. The lower limit is 10% or more, and more preferably 0.5% or more, from the viewpoint of dispensability and moisturizing effect. The upper limit is 20% or less, and more preferably 18% or less, from the viewpoint of long-term stability and usability.

[0022] (Ingredient (F): Water) The component (F) used in the present invention is not particularly limited as long as it is commonly used in cosmetics, etc., but examples include purified water, hot spring water, ion-exchanged water, deep sea water, tap water, or steam-distilled water of plants such as rose water or lavender water, and one or more of these can be appropriately selected and used as needed.

[0023] The content of component (F) in the present invention is not particularly limited, but preferably 50% or more at the lower limit, and more preferably 75% or more. Preferably 99% or less at the upper limit, and more preferably 85% or less. Within this range, it is more preferable because it provides superior long-term stability, cosmetic effect, and feel.

[0024] (optional ingredient) In addition to the above-mentioned components, the microgel particle composition and spray-type cosmetic composition of the present invention may contain, as appropriate, components commonly used in cosmetics, such as surfactants, water-soluble humectants, active ingredients, pH adjusters, neutralizing agents, organic amines, amino acids, water-soluble polymers, lower alcohols, singlet oxygen scavengers or antioxidants, ultraviolet absorbers, vitamins, preservatives, metal chelating agents, fragrances, and dyes, within a range that does not impair the effects of the present invention.

[0025] In the present invention, it is preferable from the viewpoint of usability that the product is substantially free of surfactants. Here, "substantially free of surfactants" means that the product is allowed to contain surfactants in the form of impurities, preferably less than 0.05%. Furthermore, even without containing surfactants, the present invention can stably contain dispersed phases such as the above-mentioned components (C) and (D), and its stability over time is also good.

[0026] (Manufacturing method) The method for producing the microgel particle composition of the present invention is not particularly limited, and general production methods can be used. Although not particularly limited, for example, component (A) may be dissolved in a portion of an aqueous solvent containing components (E) and (F) to obtain a solution, to which component (B) may be added, and then the solution may be rapidly cooled to obtain a gel which is then pulverized to obtain a microgel. Components (C), (D), and the remainder of the aqueous solvent may be added and mixed to obtain a microgel particle composition.

[0027] In this invention, rapid cooling refers to a method of cooling the dissolved solution using water, dry ice, or the like while stirring it. Examples include cooling using the jacket of a stirring vessel, as well as cooling using a heat exchanger that utilizes the shear force of an inline mixer or pump. The cooling rate of the dissolved solution is preferably 0.1 to 30°C / min or less, more preferably 0.1 to 10°C / min, and particularly preferably 0.1 to 5°C / min, during the 80 to 25°C cooling process in which gellan gum gelation progresses (however, it is not necessarily required to cool down to 25°C). If the cooling rate is less than 0.1°C / min, the manufacturing process takes too long and is inefficient, and the effect of rapid cooling does not change even if the cooling rate is faster than 30°C / min.

[0028] In this invention, the degree to which the gel is pulverized can be appropriately adjusted according to the required average particle size of the microgel. When a smoother appearance is required, it is preferable to pulverize the gel sufficiently by high-speed stirring to obtain a microgel with a fine particle size. On the other hand, when adding a dispersed phase with a large specific gravity difference from the solution or a dispersed phase with a large occupied volume, it is preferable to reduce the degree of pulverization by light stirring to obtain a microgel with a slightly larger particle size. The apparatus for applying the shear force to pulverize the gel is not particularly limited and is not limited in any way as long as it can apply the shear force to pulverize the gel. Specific examples include general emulsification and dispersion machines such as disperser blades, paddle blades, homogenizers, mechanical stirrers, Creamix, Milder, and Ultramixer, and it is also possible to use these in combination.

[0029] (Application) The microgel particle composition of the present invention is a composition for skin use and is intended to be applied to the skin. Accordingly, the spray-type cosmetic composition of the present invention can be used as a cosmetic or quasi-drug. From the viewpoint of the effects of the present invention, the skin composition is preferably a so-called leave-on type that is not washed off after application. Specifically, examples include beauty serums and sunscreens. The area of ​​application of the skin composition is not particularly limited and can be the face, neck, hands and feet, etc.

[0030] (How to use) The microgel particle composition of the present invention is in a continuous gel state when left standing. Therefore, it is used by shaking it to change it into a liquid state, and then spraying it in a mist from a container (spray container) that has a mechanism for spraying it in a mist, and applying it uniformly to the skin.

[0031] Furthermore, the present invention can also take the following configuration. <1> The following components (A) to (F): (A) Gellan gum 0.05-1% by mass (B) Calcium chloride 0.005~0.2% by mass (C) Powder 0.01~5% by mass (D) Oils 0.1-3% by mass (E) Polyhydric alcohols 10-20% by mass (F)Water A spray-type cosmetic comprising a microgel particle composition containing [a specific substance], filled into a container having a mechanism for spraying it in a mist-like form, and used after shaking. <2> Substantially free of surfactants <1> The spray-type cosmetic described above. <3> In the microgel particle composition, the mass ratio of the content of component (A) gellan gum to the content of component (B) calcium chloride; (A) / (B) is between 1 and 100. <1> or <2> The spray-type cosmetic described above. <4> The aforementioned component (A) gellan gum is a deacyl gellan gum. <1> ~ <3> The spray-type cosmetic described above. <5> The aforementioned component (C) powder contains a glossy powder. <1> ~ <4> The spray-type cosmetic described above. <6> A method for producing a microgel particle composition, characterized by comprising the steps of dissolving gellan gum in an aqueous solvent, adding calcium chloride to the resulting solution, rapidly cooling the solution to obtain a gel, pulverizing the resulting gel, and further diluting it with an aqueous solvent. [Examples]

[0032] The present invention will be described in detail using the following examples and comparative examples. These examples are not intended to limit the present invention in any way. Unless otherwise specified, each operation in the examples is performed at room temperature (25°C).

[0033] <Examples 1-19 and Comparative Examples 1-9: Spray-type cosmetics (serums)> Spray-type cosmetic compositions with the compositions shown in Table 1 were prepared by the following manufacturing method, and each of the following items was evaluated and judged according to the evaluation method and judgment criteria shown below: (a) stability over time, (b) dispensing ability, (c) glossiness, (d) duration of cosmetic effect, and (e) non-stickiness. The results are also shown in Table 1.

[0034] [Table 1]

[0035] [Table 2]

[0036] (Manufacturing method) Step 1: Component 1 and a portion of components 8-11 were dissolved in component 12, heated to 80°C, and uniformly mixed. Step 2: After adding component 2 or component 3 to the solution obtained in Step 1, the mixture was rapidly cooled to 25°C to obtain a gel. Step 3: The gel obtained in Step 2 was pulverized while being uniformly stirred using a disperser. Step 4: Components 4-7 and the remainder of components 8-11 were added to the gel pulverized material obtained in Step 3 and mixed uniformly. Step 5: The composition obtained in Step 4 was filled into a spray bottle to obtain a spray-type cosmetic.

[0037] (Evaluation method 1: (a) Stability over time) Each composition obtained in step 4 above was placed in a standard glass bottle and stored in a constant temperature room at 40°C for one month. After one month, the appearance was visually observed for the presence or absence of precipitation and separation, and judged according to the following criteria. [Judgment criteria] (Evaluation result): (Judgment) Neither precipitation nor separation was observed: ◎ Precipitation and / or separation were observed, but were minor: ○ Unacceptable precipitation and / or separation was observed: △ Significant precipitation or separation was observed: ×

[0038] (Evaluation method 2: (b) Dischargeability) Each of the above samples was shaken five times and then sprayed into the air. Visual observation was performed to assess its discharge properties, and the results were determined according to the following criteria. [Judgment criteria] (Evaluation result): (Judgment) Discharged in a fine mist: ◎ The discharge port was clogged, and / or discharged in a rod-like shape, but only slightly: ○ Unacceptable blockage of the discharge port was observed, and / or discharged in a rod-like manner: △ Significant blockage of the discharge port was observed, and / or the discharge was in a rod-like shape: ×

[0039] (Evaluation method 3: (c) Shine) Each of the above samples was sprayed onto the face of a 20-member cosmetic evaluation panel after washing their face. The glossiness of the finished makeup film immediately after spraying was evaluated on a 5-point scale according to the evaluation criteria shown below, and the average score of all panel members was then determined according to the judgment criteria below. [Evaluation Criteria] (Evaluation result): (Score) Very glossy: 5 points Shiny finish: 4 points Neither agree nor disagree: 3 points Slightly lacking in shine: 2 points Lack of shine: 1 point [Judgment criteria] (Average score of the ratings) : (Judgment) 4.5 points or higher: ◎ 3.5 points or higher but less than 4.5 points: ○ 1.5 points or higher but less than 3.5 points: △ Less than 1.5 points: ×

[0040] (Evaluation method 4: (d) Durability of cosmetic effect) Each of the above samples was sprayed onto the face of a 20-member cosmetic evaluation panel after washing their face. The duration of the cosmetic effect after 6 hours was evaluated on a 5-point scale according to the evaluation criteria shown below, and the average score of all panel members was then determined according to the same criteria. [Evaluation Criteria] (Evaluation result): (Score) Very glossy / emollient: 5 points Shiny / Emollient feel: 4 points Neither agree nor disagree: 3 points Slightly lacking in shine / emollient feel: 2 points Lack of shine / emollient feel: 1 point [Judgment criteria] (Average score of the ratings) : (Judgment) 4.5 points or higher: ◎ 3.5 points or higher but less than 4.5 points: ○ 1.5 points or higher but less than 3.5 points: △ Less than 1.5 points: ×

[0041] (Evaluation method 5: (e) Non-stickiness) Each of the above samples was sprayed onto the face of a 20-member cosmetic evaluation panel after washing their face. Immediately after spraying, the non-stickiness of the finished makeup film was evaluated on a 5-point scale according to the evaluation criteria shown below. Furthermore, the average score of all panel members was determined according to the same criteria. [Evaluation Criteria] (Evaluation result): (Score) Not sticky at all: 5 points Almost no stickiness: 4 points Neither agree nor disagree: 3 points Slightly sticky: 2 points Very sticky: 1 point [Judgment criteria] (Average score of the ratings) : (Judgment) 4.5 points or higher: ◎ 3.5 points or higher but less than 4.5 points: ○ 1.5 points or higher but less than 3.5 points: △ Less than 1.5 points: ×

[0042] As is clear from the results in Tables 1 and 2, the spray-type cosmetic compositions of Examples 1 to 19 of the present invention were superior to the spray-type cosmetic compositions of Comparative Examples 1 to 9 in terms of stability over time, discharge performance, glossiness, duration of cosmetic effect, and lack of stickiness. On the other hand, in Comparative Example 1, which had a high content of component (A), the product was dispensed in a rod-like shape, resulting in stickiness and poor usability. Furthermore, in Comparative Example 2, which had a low content of component (A), and Comparative Example 3, which had a high content of component (B), a microgel was not formed, resulting in poor dispersion stability of components (C) and (D), and insufficient glossiness and durability of the cosmetic film, thus failing to yield satisfactory results. In Comparative Example 4, in which component (B) was replaced with an equal amount of magnesium chloride, the stability over time was poor, and magnesium chloride precipitated over time, resulting in poor dispensability over time. Furthermore, in Comparative Example 5, which did not contain component (C), the glossiness and durability of the cosmetic effect were inferior, and satisfactory results were not obtained. In Comparative Example 6, which had a high content of component (C), the dispersion stability was poor, resulting in poor dispensability and poor stability over time. Furthermore, in Comparative Example 7, which had a high content of component (D), the dispersion stability was poor, resulting in separation over time, and it also lacked stickiness. In Comparative Example 8, which contained a low amount of component (E), it did not form a microgel, resulting in poor stability over time and poor dispensing performance. Furthermore, the coating of component (A) dried at the nozzle, causing clogging, and other unsatisfactory results were not obtained. In Comparative Example 9, which contained a high amount of component (E), it did not form a microgel, resulting in poor dispersion stability, poor dispensing performance, and poor non-stickiness.

[0043] Example 21: Spray-type beauty serum (Ingredients) (%) 1. Deacylated gellan gum *1 (Component (A)) 0.1 2. Calcium chloride (Component (B)) 0.1 3. Titanium mica (component (C)) 0.3 4. Silicon (2%) treated titanium mica (component (C)) 0.3 5. Boron Nitride (Component (C)) 0.3 6. Phytosteryl oleate (Component (D)) 0.3 7. Squalane (Ingredient (D)) 0.3 8. Methylpolysiloxane (10CS) (Component (D)) 0.3 9. Methylpolysiloxane / crosslinked methylpolysiloxane mixture *2 (Component (D)) 0.3 10.1,3-Butylene glycol (component (E)) 2 11. Glycerin (Component (E)) 2 12. Dipropylene glycol (Component (E)) 2 13. Propanediol (Component (E)) 2 14. Diglycerin (Component (E)) 2 15. Polyoxyethylene glycerin *3 (Component (E)) 2 16. Cyclohexanedicarboxylic acid bisethoxydiglycol (Component (E)) 2 17. Polyoxybutylene, polyoxyethylene, polyoxypropylene Glyceryl ether *4 (Component (E)) 1 18. Purified water (Component (F)) Remaining amount 19. Ceramide 0.05 20. Astaxanthin 0.05 21. Ethanol 5 22. Phenoxyethanol 0.3 23. Methylparaben 0.1 24.Fragrance 0.1 *1: Kelcogel LT100 (manufactured by Dainippon Sumitomo Pharma Co., Ltd.) *2: KSG-016F (manufactured by Shin-Etsu Chemical Co., Ltd.) *3:LIPONIC EG-1 (manufactured by LIPO CHEMICALS INC.) *4: WILBRIDE (registered trademark) S-753D (manufactured by NOF Corporation)

[0044] (Manufacturing method) Step 1: Components 1, 10-17 were dissolved in component 18, heated to 80°C, and mixed uniformly. Step 2: After adding component 2 to the liquid obtained in Step 1, the mixture was rapidly cooled to 25°C to obtain a gel. Step 3: The gel obtained in Step 2 was pulverized while being uniformly stirred. Step 4: Components 3-9 and 19-24 were added to the gel pulverized material obtained in Step 3 and mixed uniformly. Step 5: The composition obtained in Step 4 was filled into a spray bottle to obtain a spray-type cosmetic. (result) The spray-type beauty serum of Example 21 demonstrated excellent performance in all aspects, including formulation stability, dispensing ability, glossiness, duration of cosmetic effect, and non-stickiness. All specific evaluation results were excellent (◎).

[0045] Example 22: Spray-type sunscreen (Ingredients) (%) 1. Gellan gum *1 (Ingredient (A)) 1 2. Calcium chloride (Component (B)) 0.01 3. Diethylamino hydroxybenzoyl hexyl benzoate (ingredient (C)) 1 4. Bis-ethylhexyloxyphenol methoxyphenyl triazine (Component (C)) 2 5. Ethylhexyltriazone (Component (C)) 2 6. 2-Ethylhexyl paramethoxycinnamate (Component (D)) 1.5 7. 2-Ethylhexyl salicylate (Component (D)) 1.5 8.1,3-Butylene glycol (component (E)) 2 9. Glycerin (Component (E)) 2 10. Dipropylene glycol (Component (E)) 2 11. Propanediol (Component (E)) 2 12. Diglycerin (Component (E)) 2 13. Polyoxyethylene glycerin *3 (Component (E)) 2 14. Cyclohexanedicarboxylic acid bisethoxydiglycol (component (E)) 2 15. Polyoxybutylene, polyoxyethylene, polyoxypropylene Glyceryl ether *4 (Component (E)) 1 16. Purified water (Component (F)) Remaining amount 17. Phenylbenzimidazole sulfonic acid 0.8 18. Triethanolamine 0.5 19. Ethanol 5 20. Phenoxyethanol 0.3 21. Methylparaben 0.1 22.Fragrance 0.1

[0046] (Manufacturing method) Step 1: Components 1 and 8-15 were dissolved in component 16, heated to 80°C, and mixed uniformly. Step 2: After adding component 2 to the liquid obtained in Step 1, the mixture was rapidly cooled to 25°C to obtain a gel. Step 3: The gel obtained in Step 2 was pulverized while being uniformly stirred. Step 4: Components 3-7 and 17-22 were added to the gel pulverized material obtained in Step 3 and mixed uniformly. Step 5: The composition obtained in Step 4 was filled into a spray bottle to obtain a spray-type cosmetic. (result) The spray-type sunscreen of Example 22 exhibited excellent performance in terms of formulation stability, dispensing properties, glossiness, duration of cosmetic effect, and non-stickiness.

Claims

1. The following components (A) to (F): (A) Gellan gum 0.05 to 1% by mass (B) Calcium chloride 0.005 to 0.2% by mass (C) Powder 0.01-5% by mass (D) Oils 0.1 to 3% by mass (E) Polyhydric alcohol 10-20% by mass (F) Water A spray-type cosmetic comprising a microgel particle composition containing [a specific substance], filled into a container having a mechanism for spraying it in a mist-like form, and used after shaking.

2. A spray-type cosmetic composition according to claim 1, which substantially does not contain a surfactant.

3. The spray-type cosmetic composition according to claim 1 or claim 2, wherein the mass ratio of the content of component (A) gellan gum to the content of component (B) calcium chloride in the microgel particle composition; (A) / (B) is 1 to 100.

4. The spray-type cosmetic composition according to claim 1 or claim 2, wherein the component (A) gellan gum is deacyl gellan gum.

5. The spray-type cosmetic composition according to claim 1 or claim 2, wherein the aforementioned component (C) powder contains a lustrous powder.

6. A method for producing a microgel particle composition, characterized by comprising the steps of dissolving gellan gum in an aqueous solvent, adding calcium chloride to the resulting solution, rapidly cooling the solution to obtain a gel, pulverizing the resulting gel, and further diluting it with an aqueous solvent.

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