WO2006003733A1 - Composition contenant une particule huileuse pour usage externe - Google Patents

Composition contenant une particule huileuse pour usage externe Download PDF

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Publication number
WO2006003733A1
WO2006003733A1 PCT/JP2005/000203 JP2005000203W WO2006003733A1 WO 2006003733 A1 WO2006003733 A1 WO 2006003733A1 JP 2005000203 W JP2005000203 W JP 2005000203W WO 2006003733 A1 WO2006003733 A1 WO 2006003733A1
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WO
WIPO (PCT)
Prior art keywords
composition
oil
powder
external use
particles
Prior art date
Application number
PCT/JP2005/000203
Other languages
English (en)
Japanese (ja)
Inventor
Hidefumi Araki
Masaru Masuda
Wataru Tokue
Original Assignee
Shiseido Company, Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2004196467A external-priority patent/JP2005036001A/ja
Application filed by Shiseido Company, Ltd. filed Critical Shiseido Company, Ltd.
Priority to CN2005800226647A priority Critical patent/CN1980634B/zh
Publication of WO2006003733A1 publication Critical patent/WO2006003733A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0241—Containing particulates characterized by their shape and/or structure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/73—Polysaccharides
    • A61K8/732—Starch; Amylose; Amylopectin; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/56—Compounds, absorbed onto or entrapped into a solid carrier, e.g. encapsulated perfumes, inclusion compounds, sustained release forms

Definitions

  • the present invention relates to an external composition containing relatively large oil-based particles.
  • Oily solid particles, microcapsules, granules, etc. that have a size that can be visually observed and that can be contained in a composition for external use such as cosmetics containing solid oil have already been provided. .
  • the technique of Document 3 has a limitation on prescription because alcohol is used.
  • the surfactant activity of the low molecular surfactant is too high, and it is extremely difficult to refine the oily particles and set the production conditions immediately.
  • the particle size depends on the shear stress at the time of stirring, it is complicated to study the production conditions according to the viscosity. Further, the particles are isolated from the polymer solution. Difficult to do.
  • the techniques of References 8 and 9 have problems that it is difficult to form uniform particles and there are many prescription restrictions.
  • Japanese Patent Publication No. 7-78008 discloses a mixture of a semi-solid oily substance composed of a liquid-phase oily substance, a solid-phase oily substance, and Z or a surface-modified pigment.
  • a semi-solid oily substance composed of a liquid-phase oily substance, a solid-phase oily substance, and Z or a surface-modified pigment.
  • a gel-like cosmetic containing colored oil particles obtained by dispersing and stirring is described.
  • the technique of Reference 10 still has a problem in usability. Disclosure of the invention
  • the problem to be solved by the present invention is to provide an external composition containing oily particles having excellent stability, a uniform particle diameter and excellent usability by a simple production process. is there.
  • the present invention provides an external composition in which oily particles containing a dextrin fatty acid ester satisfying the following conditions and a liquid oil are dispersed in an aqueous phase (hereinafter also referred to as the present external composition). It is an invention.
  • the content of dextrin fatty acid ester with respect to the total mass of oil-based particles is 5-40% by mass.
  • the average particle size force of oily particles is 0.05-10mm.
  • the composition for external use, the composition for external use, and preferably, the composition for external use is an oil containing components constituting oily particles, which are heated and melted in an aqueous phase component mainly composed of water. Stir and cool the mixture of the aqueous phase and oil phase obtained by adding the phase components to the oil phase to form oily particles in the aqueous phase, and add various water-soluble components as necessary. By doing so, it can be manufactured.
  • the oil phase prepared when producing the composition for external use is characterized by containing a dextrin fatty acid ester and a liquid oil as described above.
  • Examples of the dextrin fatty acid ester include one or more of dextrin palmitate, dextrin oleate, dextrin stearate, dextrin myristate, and the like. Select dextrin normitate. Is preferred.
  • the dextrin fatty acid ester is based on the total mass of the oily particles, that is, the oil phase. It is preferably 5 to 40% by mass of the total components, and particularly preferably 10 to 25% by mass. If the content of dextrin fatty acid ester is less than 5% by mass of the total oil phase component, the oil monoparticle tends to be brittle, and if it exceeds 40% by mass, the oil monotonic particle becomes hard. Too much, there is a strong tendency to cause problems in the usability of the composition for external use.
  • the liquid oil is an oil that is liquid at room temperature, and includes, for example, flaxseed oil, camellia oil, mackerel oil, corn oil, olive oil, apogad oil, southern power oil, castor oil, safflower oil, Quill oil, cinnamon oil, jojoba oil, grape oil, almond oil, rapeseed oil, sesame oil, castor oil, wheat germ oil, rice germ oil, rice bran oil, cottonseed oil, soybean oil, peanut oil, tea seed oil, Evening primrose oil, triglycerin, glycerin trioctanoate, glycerin triisopalmitate, etc. can be used.
  • Oils such as coconut oil, palm oil, and palm kernel oil can be used.
  • ester oils such as cetyl octanoate, glycerin tri-2-ethylhexanoate, pentaerythritol tetra-2-ethylhexanoate, hexyl laurate, etc.
  • Lauric acid ester isopropyl myristate, myristic acid ester such as octyldodecyl myristate, palmitic acid ester such as octyl palmitate, stearic acid ester such as isocetyl stearate, isostearic acid ester such as isopropyl isostearate, isopalmitin Isopalmitic acid esters such as octyl acid, oleic acid esters such as isodecyl oleate, adipic acid diesters such as diisopropyl adipate, sebacic acid diesters such as decyl sebacate, and diiso malate Diisostearyl malate such as stearyl can be used.
  • hydrocarbon oil liquid paraffin, ozokerite, squalane, squalene, pristane, paraffin, isoparaffin, petrolatum and the like can be used, and sterols can also be used.
  • silicone oils chain silicones such as dimethylpolysiloxane, methylphenol polysiloxane and methylhydropolysiloxane, cyclic silicones such as decamethylcyclopentasiloxane and dodecamethylcyclohexasiloxane, amino-modified Use silicone oil, polyether-modified silicone oil, carboxy-modified silicone oil, alkyl-modified silicone oil, ammonium salt-modified silicone oil, fluorine-modified silicone oil, etc. Is also possible.
  • hydrogenated polyisobutene As the oil phase component, it is possible to easily control the particle diameter while improving the strength of the oil-based particles, and to further improve the usability of the product.
  • a suitable content of hydrogenated polyisobutene is 0.1 to 40% by mass with respect to the total mass of the oily particles, that is, the oil phase component.
  • the mass ratio of hydrogenated polyisobutene to dextrin fatty acid ester is preferably 1: 2-4: 1.
  • a film of a specific solid oil is formed on the outer side of the oily particles by including in the oily particles "solid oil having a freezing point of 55 ° C or higher" (hereinafter also referred to as "specific solid oil”).
  • specific solid oil solid oil having a freezing point of 55 ° C or higher
  • the solidification point of the specific solid oil is 60 ° C or higher.
  • Specific solid oils satisfying these conditions include, for example, hydrogenated jojoba oil (freezing point: 68 ° C), glyceryl behenate (freezing point: 66 ° C), behenyl alcohol (freezing point: 68).
  • the content of the specific solid oil in the oily particles is preferably about 5 to 25% by mass, particularly preferably 8%, based on the total mass of the oily particles that can be freely selected as necessary. About 16% by mass.
  • the mass ratio of hydrogenated polyisobutene, dextrin fatty acid ester and specific solid oil is 1: 2: 1: 1 1: 2: 3 is preferred. If the specified solid oil content is less than this range, the stickiness will be severe. The oily particles tend to agglomerate and deteriorate in usability.
  • hydrophilic powder examples include corn starch, silica powder, titanium oxide powder, zinc oxide powder, iron oxide powder, magnesium oxide powder, barium sulfate powder, aluminum hydroxide powder, alumina, calcium carbonate powder, calcium phosphate powder, It is possible to list boron powder, talc, my strength, pearl agent, cellulose powder, pearlescent pigment, etc., and one or more of these can be selected and used.
  • particle shape of the hydrophilic powder is not particularly limited, and a spherical shape, a square shape, an indefinite shape, or the like can be appropriately selected and used.
  • the content of the hydrophilic powder is preferably 0.5 to 5.0% by mass with respect to the total mass of the oily particles.
  • this content is less than 0.5% by mass of the total mass of the oily particles, the desired effect of suppressing aggregation of the oily particles will not be sufficiently exerted, and if it exceeds 5.0% by mass, the oily particles become hard and used. There is a tendency for the feeling to be impaired.
  • oil phase component octyl paramethoxy cinnamate, t-butyl methoxybenzoyl meta
  • an ultraviolet absorber such as styrene
  • an ultraviolet shielding effect can be imparted to the oily particles.
  • the composition can also have an ultraviolet shielding effect by containing an ultraviolet scattering agent (powder particles having an ultraviolet scattering effect), for example, fine particle titanium oxide, fine particle zinc oxide, etc. in the oil phase component. Can be granted.
  • the ultraviolet scattering agent is preferably contained in an oily particle as dispersed as possible, and for this reason, the average particle size of the powder particles used as the ultraviolet scattering agent is 0.2 m or less. (There is no particular limitation on the lower limit, but it is practically approximately 0.02 m or more). In addition, when the powder particles are subjected to a surface hydrophobization treatment, it is advantageous to ensure dispersibility in the oily particles.
  • Specific methods for the surface hydrophobization treatment include the surface of powder particles, for example, silicones (methylhydrodienepolysiloxane, dimethylpolysiloxane, alkyl-modified silicone resin), dextrin fatty acid ester, higher fatty acid, Higher alcohols, fatty acid esters, metal sarcophagus, alkyl phosphate ethers, fluorine compounds, or hydrocarbons (squalane, paraffin, etc.), hydrophobic by wet methods using solvents, gas phase methods, mechanochemical methods, etc. Conversion process.
  • silicones methylhydrodienepolysiloxane, dimethylpolysiloxane, alkyl-modified silicone resin
  • dextrin fatty acid ester higher fatty acid
  • Higher alcohols fatty acid esters
  • metal sarcophagus alkyl phosphate ethers
  • fluorine compounds or hydrocarbons (squalane, paraffin, etc.)
  • hydrocarbons squalane
  • vitamin A and its derivatives, vitamin D and its derivatives, vitamin E and its derivatives, oil-soluble vitamins such as vitamin K and its derivatives, oil-soluble plant extracts, oil-soluble drugs, oil-soluble fragrances Etc. can be contained in the oil phase.
  • oil-soluble derivatives of water-soluble drugs such as vitamin C and arbutin, and hydrophobized crystal surfaces can also be contained in the oil phase.
  • an oil-soluble dye red 225, etc.
  • an organic pigment range 204, red 202, etc.
  • a pigment range 205, yellow 4, blue 1, etc.
  • rake zirconium, Lakes with barium, aluminum, etc.
  • natural pigments chlororophyll, ⁇ -strength rotin, etc.
  • yellow iron oxide red iron oxide, black iron oxide, titanium oxide, zinc oxide and other inorganic pigment powders
  • Oily particles can be colored by adding a pearl pigment such as titanium mica, a lame agent composed of colored plate-like rosin, and the like.
  • the mass of the oil-based particles with respect to the present composition is preferably 0.01-30% by mass of the composition, and 5-15% by mass. % It is particularly preferred.
  • the oil phase component is less than 0.01% by mass of the composition, the amount of oily particles is so small that it is difficult to recognize the presence of the oil particles in the composition for external use. There is a tendency for the oily particles to come into contact with each other in the product, and for the particles to coalesce.
  • the average particle size of the oily particles tends to depend on the stirring speed when the oil phase component is stirred in the aqueous phase component when the composition for external use is produced. That is, if the stirring speed is low, fine oil particles are formed, and if the stirring speed is low, huge oil particles are formed.
  • the specific stirring speed varies depending on the stirring device and the specific components contained in the composition, and the particle size of the oily particles to be desired also varies depending on the specific application and the like.
  • the average particle diameter is in the range of about 0.05 to 10 mm, preferably about 0.1 to about 2 mm, and in most cases about 1 mm is most preferable.
  • the aqueous phase prepared when producing the composition for external use can be prepared using a general aqueous solvent, specifically, water, ethanol, or the like. It is also a preferred embodiment to contain a thickener. Suitable thickeners for inclusion in the aqueous phase include carboxylic copolymers, as well as carboxylic polymers, alkyl-modified carboxybule polymers, agar, xanthan gum and the like.
  • acrylamide copolymers include bullpyrrolidone Z 2-acrylamide-2-methylpropanesulfonic acid copolymer, dimethylacrylamide Z2-acrylamide-2-methylpropanesulfonic acid copolymer, acrylamide Z2-acrylamide. ⁇ 2-Methylpropanesulfonic acid copolymer, mixture of poly (atomic amide) and sodium polyacrylate, sodium acrylate Z2-acrylamide 2-methylpropanesulfonic acid copolymer, ammonium polyacrylate, polyacrylamide Z Ammonium acrylate copolymer, acrylamide Z sodium acrylate copolymer and the like can be mentioned.
  • water-soluble drugs such as arbutin, ascorbyl glucoside, tranexamic acid, 4-methoxysalicylate, humectants such as glycerin, dipropylene glycol, 1,3-butylene glycol, dimorpholino
  • Water-soluble UV absorbers such as pyridazinone, chelating agents such as sodium edetate, pH adjusters such as citrate and sodium taenoate, preservatives such as paraben and phenoxyethanol, water-soluble dyes, water-soluble fragrances , Humectants, surfactants, and the like can be included.
  • the composition for external use is preferably an oil phase component containing a component constituting oily particles heated and melted by heating the water phase component mainly composed of water.
  • oily particles are formed in the aqueous phase, and various water-soluble components are added as necessary.
  • the oily particles contain a specific solid oil component and Z or an ultraviolet scattering agent, these additional components are blended in the oil phase component, and the above steps are performed.
  • the hydrophilic powder when a hydrophilic powder having a specific particle size is adhered to the surface of the oil phase particle, the hydrophilic powder is blended in the aqueous phase component, and the hydrophilic phase is added to the surface of the oil particle by following the above process.
  • the composition for external use to which the conductive powder is adhered can be produced.
  • the mass ratio of the water phase to the oil phase at the time of granulation is a force that can be freely selected according to the density per unit volume of the planned oily particles.
  • Oil phase 99.99: 0.0.1-1-1 (mass ratio), preferably about 2: 1-5: 1.
  • the introduction of the oil phase into the aqueous phase can be preferably carried out in a stirring environment of the aqueous phase.
  • the stirring speed is preferably adjusted so that the average particle diameter of the oily particles is about 0.05 to 10 mm, preferably about 0.1 to 2 mm, and particularly preferably about lmm.
  • it can be prepared by stirring with a propeller, paddle mixer, etc. at a rotational speed of about 200-1500 rpm.
  • the introduction of the oil phase into the aqueous phase can be performed, for example, by using an injection means such as a liquid feed pump, and preferably by direct pouring from the bottom of the aqueous phase.
  • composition for external use is, for example, a composition that can be used as a cosmetic (including scalp and hair cosmetics) or a skin external preparation, and is used by application or the like on the skin of humans or animals. Is possible.
  • the composition for external use provides a product in the form of an emulsion in which fine oily particles are observed in the aqueous phase, that is, "emulsion in which emulsified particles are visible”.
  • the oily particles in the composition for external use once produced as an element to be added in the production process of a general composition for external use, the composition for external use in more various dosage forms' forms can be obtained.
  • these oily particles can be applied to any type of external composition such as solution type, solubilized type, emulsion type, powder dispersion type, water-powder two-phase type, water-oil powder three-phase type, etc. Can be used.
  • composition for external use can take is also arbitrary, and for example, it can be used as an external composition for facial, body or scalp hair such as lotion, milky lotion, cream, knock.
  • Oily particles are formed in the aqueous phase. Next, a humectant, a drug, a neutralizing agent, and a thickener were added to this, and each test product was prepared by stirring uniformly.
  • Particle size The particle size of the oily particles was measured by ordinary microscopic observation.
  • results are shown in Table 1.
  • the results of the tests in the items 1) and 6) above are shown in numerical order from the top in the individual columns shown in Table 1. For example, the top of each item indicates the result of the test of item 1), and the bottom indicates the result of the test of item 6).
  • Canoleboxyvininole polymer 0.3 neutralizing agent
  • Example 1 an oily component heated to 90 ° C. was added to ion exchange water containing a chelating agent and a surfactant heated to 70 ° C. with stirring, and this mixture was mixed. Cool to 40 ° C to form oily particles in the aqueous phase. Next, a moisturizer, preservative, neutralizer and thickener were added to this and stirred (propeller stirring: 200 rpm) to produce a test product of Example 1.
  • Comparative Example 1 the oily component heated to 90 ° C was added to and mixed with ion-exchanged water containing a chelating agent heated to 70 ° C, and this mixture was mixed with 30-40 Cool to ° C to form oily particles in the aqueous phase. Next, a moisturizer, preservative, neutralizer, and thickener were added to this and stirred to produce a test product of Comparative Example 1.
  • test article was subjected to a sensory test for usability. That is, a test product was applied to the forearm of 10 female panels, and the sense of application was evaluated according to the following evaluation criteria.
  • Example 1 As a result of this test, with respect to “no stickiness”, “fastness of familiarity”, “paste of foundation”, “feeling of softness of skin” and “smoothness of skin”, Example 1 No significant difference was found in the questions of Comparative Example 1 and “Nobori on the skin” (average score: 3.4), “Massage chatter” (average score: 3.5), “Moist feeling” Regarding (average score: 3.6) and “feel” (average score: 3.7), Example 1 was clearly superior to Comparative Example 1.
  • Test Example 4 Examination of effects when using a specific solid oil or hydrophilic powder in the composition for external use 1. Preparation of test product
  • Example 3 An example in which 1% by mass of behenyl alcohol was added to the oil phase component of Example 2 was referred to as Example 3.
  • Example 3 was obtained by adding 1% by mass of candelillaro to the oil phase component of Example 2.
  • Example 5 was obtained by adding 0.5% by mass of corn starch (average particle size 7-10 m) as a hydrophilic powder to the formulation of Example 2.
  • Example 5 was prepared by adding 0.5% by mass of spherical silica powder (average particle size 4 to 16 m) as a hydrophilic powder to the formulation of Example 2.
  • Example 7 1% by weight of behenyl alcohol was added to the oil phase component of Example 2, and 0.5% by weight of corn starch (average particle size 7-10 ⁇ m) was added as a hydrophilic powder. Example 7 was used.
  • Example 2-7 an oil component heated to 90 ° C was stirred at 250 rpm in ion-exchanged water containing a chelating agent, a surfactant, and a hydrophilic powder (optional) heated to 70 ° C. Add and mix while cooling and cool the mixture to 30-40 ° C to form oily particles in the aqueous phase. Next, a moisturizer, preservative, neutralizer, thickener, antioxidant and antifoaming agent were added to this and stirred (propeller stirring: 200 rpm) to produce a test product of Example 2-7.
  • a moisturizer, preservative, neutralizer, thickener, antioxidant and antifoaming agent were added to this and stirred (propeller stirring: 200 rpm) to produce a test product of Example 2-7.
  • the state of the particles of the test product [immediately after the test product was manufactured and when it was allowed to stand at 50 ° C for 30 days] was visually observed by one expert panel and evaluated according to the following criteria.
  • ⁇ Agglomeration of oily particles to a degree that disperses neatly when shaken is slightly observed, and turbidity is slightly observed in the outer layer gel.
  • ⁇ X Some aggregation that does not disperse easily even when shaken is observed, and some turbidity is observed in the outer jewel.
  • the outer layer jewel of the test product immediately after production was evaluated by the following criteria by visual observation with one expert panel.
  • test article was applied to the forearm of one professional female panel, and the sense of application was evaluated according to the following evaluation criteria.
  • Example 8 in the formulation of Example 5, the powder component was changed to corn starch (average particle size 8 / ⁇ ⁇ ) 0.5% by mass, and particulate titanium oxide (average particle size 0.05 m) was used. A test sample was prepared. However, this fine particulate titanium oxide was dispersed in an oil phase component to prepare a test product of Example 8 according to the production process of Example 5.
  • Example 9 in the formulation of Example 5, the powder component was changed to 0.5% by mass of corn starch (average particle size 8 m) and fine particle titanium oxide (average particle size 0.05 ⁇ m). A test product containing m) was prepared. However, the corn starch was dispersed in the aqueous phase in the same manner as in Example 5, the fine particle acid titanium was dispersed in the oil phase component, and the test product of Example 9 was prepared according to the production process of Example 5. Manufactured.
  • Example 8 the above-mentioned 1) evaluation of the state of the particles was carried out. However, over time, in Example 8, aggregation of oily particles was observed. On the other hand, in Example 9, the aggregation of oily particles was not observed over time, and the dispersibility of the fine particle titanium dioxide powder in the particles was maintained! /.
  • Canoleboxyvininole polymer 0.2 neutralizing agent
  • Canoleboxyvininole polymer 0.2 neutralizing agent
  • Vitamin A palmitate 0.1 [Prescription Example 3]
  • Fine particle titanium oxide powder (average particle size 0.05 m) 1.2
  • an aqueous phase as ion-exchanged water containing a chelating agent and a surfactant, heated to 75 ° C.
  • the oil phase is prepared by mixing and dispersing the powder in the oil phase components heated to 85 ° C and mixed.
  • the oil phase is added to the water phase and cooled to 30-40 ° C. to form oil phase particles containing fine titanium oxide powder with hydrophilic powder adhered in the water phase.
  • a moisturizer, preservative, neutralizing agent, and thickener are added to this and stirred (propeller stirring: 200 rpm) to prepare the composition for external use of Formulation Example 4.
  • Fine titanium oxide powder (average particle size 0.03 m) 0.8
  • an aqueous phase as ion-exchanged water containing a chelating agent and a surfactant, heated to 75 ° C.
  • the oil phase is prepared by mixing and dispersing the powder in the oil phase components heated to 85 ° C and mixed.
  • the oil phase is added to the water phase and cooled to 30-40 ° C. to form oil phase particles containing fine titanium oxide powder with hydrophilic powder adhered in the water phase.
  • a moisturizer, preservative, pH buffer, and thickener are added to this and stirred (propeller stirring: 200 rpm) to prepare the composition for external use of Formulation Example 4.
  • Fine particle acid titanium powder (average particle size 0.05 m) 0.8
  • Fine titanium oxide powder (average particle size 0.03 m) 0.8 (chelating agent)
  • Fine zinc oxide powder (average particle size 0.05 m) 0.8
  • an aqueous phase as ion-exchanged water containing a chelating agent and a surfactant, heated to 75 ° C.
  • the oil phase is prepared by mixing and dispersing the powder in the oil phase components heated to 85 ° C and mixed.
  • the oil phase is added to the water phase and cooled to 30-40 ° C. to form oil phase particles containing fine titanium oxide powder with hydrophilic powder adhered in the water phase.
  • a moisturizing agent, preservative, pH buffering agent, neutralizing agent, and thickener are added to this and stirred (propeller stirring: 200 rpm) to produce the composition for external use of Formulation Example 8.
  • Fine titanium oxide powder (average particle size 0.02 m) 0.8 (chelating agent)
  • aqueous phase in which hydrophilic powder is mixed and dispersed in ion-exchanged water containing a chelating agent and a surfactant heated to 75 ° C.
  • oil phase in which the lame agent is mixed and dispersed in the oil phase component heated to 85 ° C and mixed.
  • the oil phase is added to the aqueous phase and cooled to 30-40 ° C to form lamellar-containing oil phase particles with hydrophilic powder adhered in the aqueous phase.
  • a moisturizer, preservative, neutralizing agent, and thickener are added to this and stirred (propeller stirring: 200 rpm) to produce the composition for external use of Formulation Example 10.
  • Spherical silica powder (average particle size 5 ⁇ m) 0.5 (chelating agent)
  • Spherical silica powder (average particle size 5 ⁇ m) 0.5 Corn starch (average particle size 8 ⁇ m) 0.5 (chelating agent)
  • Barium sulfate powder (average particle size 6 ⁇ m) 0.5 (chelating agent)
  • Spherical cellulose powder (average particle size 5 ⁇ m) 0.5 (chelating agent)
  • Tanorek (average particle size 5 m) 0.5 (chelating agent)
  • an oily particle-dispersed external composition having excellent stability and usability is provided.

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Abstract

Composition contenant une particule huileuse pour usage externe qui a une excellente stabilité, une homogénéité du diamètre des particules et une excellente applicabilité et qui est obtenue par l’intermédiaire de simples étapes de production. La composition pour usage externe comprend une phase aqueuse et, dispersées dans cette phase, des particules huileuses, comprenant un ester d’acide gras de dextrine et une matière huileuse liquide, les particules huileuses répondant aux exigences 1) et 2). 1) La teneur de l’ester d’acide gras de dextrine représente 5 à 40 % en poids sur la base de l’ensemble des particules huileuses. 2) Le diamètre moyen de particules des particules huileuses vaut de 0,05 à 10 mm.
PCT/JP2005/000203 2004-07-02 2005-01-11 Composition contenant une particule huileuse pour usage externe WO2006003733A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2005800226647A CN1980634B (zh) 2004-07-02 2005-01-11 含有油性粒子的外用组合物

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004-196467 2004-07-02
JP2004196467A JP2005036001A (ja) 2003-07-03 2004-07-02 油性粒子を含有する外用組成物

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JP2014185137A (ja) * 2013-02-20 2014-10-02 Kao Corp 水中油型日焼け止め化粧料
WO2014181473A1 (fr) * 2013-05-10 2014-11-13 花王株式会社 Produit cosmétique de type écran solaire huile dans l'eau
US9987210B2 (en) 2014-03-11 2018-06-05 Doc Japan Co., Ltd. Cosmetic conditioning oil composition and cosmetic product
CN110538090A (zh) * 2018-05-28 2019-12-06 株式会社爱茉莉太平洋 无定形油胶囊、包含其的组合物及其制造方法

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