WO2022092097A1 - Produit cosmétique en émulsion eau dans l'huile - Google Patents

Produit cosmétique en émulsion eau dans l'huile Download PDF

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Publication number
WO2022092097A1
WO2022092097A1 PCT/JP2021/039521 JP2021039521W WO2022092097A1 WO 2022092097 A1 WO2022092097 A1 WO 2022092097A1 JP 2021039521 W JP2021039521 W JP 2021039521W WO 2022092097 A1 WO2022092097 A1 WO 2022092097A1
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Prior art keywords
component
water
emulsified cosmetic
oil
oil emulsified
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PCT/JP2021/039521
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English (en)
Japanese (ja)
Inventor
紘平 大谷
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株式会社コーセー
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Priority to CN202180069091.2A priority Critical patent/CN116322605A/zh
Priority to JP2022559167A priority patent/JPWO2022092097A1/ja
Priority to KR1020237008914A priority patent/KR20230098138A/ko
Publication of WO2022092097A1 publication Critical patent/WO2022092097A1/fr

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    • 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
    • A61K8/04—Dispersions; Emulsions
    • A61K8/06—Emulsions
    • A61K8/064—Water-in-oil emulsions, e.g. Water-in-silicone emulsions
    • 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
    • A61K8/04—Dispersions; Emulsions
    • A61K8/06—Emulsions
    • 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
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/27—Zinc; Compounds thereof
    • 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
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/29—Titanium; Compounds thereof
    • 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
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/36—Carboxylic acids; Salts or anhydrides thereof
    • A61K8/361—Carboxylic acids having more than seven carbon atoms in an unbroken chain; Salts or anhydrides thereof
    • 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
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/37—Esters of carboxylic acids
    • 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
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
    • 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
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
    • A61K8/442—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof substituted by amido group(s)
    • 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
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/58—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing atoms other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur or phosphorus
    • A61K8/585—Organosilicon compounds
    • 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
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/85—Polyesters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
    • A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
    • 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
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
    • A61K2800/30—Characterized by the absence of a particular group of ingredients
    • 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
    • A61K2800/52—Stabilizers
    • 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
    • A61K2800/59—Mixtures
    • A61K2800/591—Mixtures of compounds not provided for by any of the codes A61K2800/592 - A61K2800/596
    • 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
    • A61K2800/60—Particulates further characterized by their structure or composition
    • A61K2800/61—Surface treated
    • A61K2800/62—Coated
    • A61K2800/622—Coated by organic compounds
    • 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
    • A61K2800/60—Particulates further characterized by their structure or composition
    • A61K2800/61—Surface treated
    • A61K2800/62—Coated
    • A61K2800/623—Coating mediated by organosilicone compounds
    • 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
    • A61K2800/60—Particulates further characterized by their structure or composition
    • A61K2800/65—Characterized by the composition of the particulate/core
    • A61K2800/651—The particulate/core comprising inorganic material

Definitions

  • the present invention relates to a water-in-oil emulsified cosmetic.
  • UVA long-wavelength ultraviolet rays with a wavelength of 320 to 400 nm
  • UVB medium-wavelength ultraviolet rays with a wavelength of 290 to 320 nm
  • protective cosmetics has been made.
  • Organic UV absorbers and metal oxides are used to obtain high UV protection, but some people do not like organic UV absorbers, and they are sticky and have stability due to precipitation over time. There is a concern that the amount of UV rays will decrease. Therefore, in recent years, the development of a pharmaceutical product that exhibits the required UV protection ability by combining a metal oxide without blending an organic UV absorber has been promoted.
  • metal oxide has high cohesiveness, and in particular, fine particles have a surface area that increases in inverse correlation with the particle size.
  • the cohesiveness is so high that it is difficult to uniformly disperse the particles in the cosmetics.
  • the squeaky feeling becomes strong, and there may be a problem such as an unnatural finish due to whitening after application.
  • the pharmaceutical stability such as the ultraviolet protection ability and the emulsion stability.
  • the residual sunscreen may cause skin problems such as dryness and rashes, and cleanability (easiness to wash) is also important. Therefore, when removing the sunscreen, there is a demand for a product having excellent detergency with less burden on the skin.
  • Patent Document 2 a technique is disclosed in which an organosilicon compound-treated pigment in which a reactive alkylpolysiloxane is oriented and adsorbed on the surface of a pigment or an extender pigment by heat treatment has excellent smoothness and adhesiveness.
  • Patent Document 3 a technique for sunscreen cosmetics containing hydroxy fatty acid condensate, silicone branched modified silicone, metal oxide, silicone resin-coated silicone rubber powder, oil and water, which has good elongation and no whitening during application.
  • Patent Document 1 Although it is excellent in transparency, it may be desirable to further improve usability such as squeak, pharmaceutical stability (emulsification stability), and detergency.
  • Patent Documents 2 and 3 Although the technique is excellent in usability and transparency such as smoothness and spreadability, it may be desirable to further improve the ultraviolet protection ability, the dispersibility of the metal oxide, and the detergency. there were.
  • the present invention is excellent in transparency, formulation stability and detergency after application to the skin in a water-in-oil emulsified cosmetic containing a metal oxide such as zinc oxide and titanium oxide and having sufficient UV protection ability.
  • the purpose is to provide water-in-oil emulsified cosmetics.
  • the present inventor has found that zinc oxide treated with N-acylamino acid and titanium oxide treated with hydrophobization are mixed with polyhydroxystearic acid, HLB2-9 nonionic surfactant and 25.
  • the present invention was achieved by preparing a water-in-oil emulsified cosmetic containing a liquid ester at ° C.
  • the present invention provides the following.
  • the component (E) contains a silicone-based surfactant and a polyethylene glycol fatty acid ester, and the content mass ratio of the polyethylene glycol fatty acid ester to the silicone-based surfactant (polyethylene glycol fatty acid ester / silicone-based surfactant) is 0.7.
  • the water-in-oil emulsified cosmetic according to the following [1] to [6]. [9] The water-in-oil emulsified cosmetic according to the above [7] or [8], wherein the component polyethylene glycol fatty acid ester is PEG-30 dipolyhydroxystearate. [10]
  • the water-in-oil emulsified cosmetic is the water-in-oil emulsified cosmetic according to any one of the above [1] to [9], which does not contain an organic ultraviolet absorber.
  • the present technology can additionally adopt the following configurations.
  • the component (F) contains at least one selected from the group consisting of cyclic silicone and silicone having a kinematic viscosity of 10 mm 2 / s or less at 25 ° C. It is a water-based emulsified cosmetic in oil.
  • X to Y indicating a range includes X and Y, and means "X or more and Y or less”.
  • water-in-oil emulsified cosmetics there is a concern that the dispersibility of metal oxides may decrease due to changes in the pharmaceutical product stability such as the emulsified state, so it is important to ensure the pharmaceutical product stability.
  • the component (E) by selecting the component (E) and combining it with the other components (A) to (D), a water-in-oil emulsified cosmetic having excellent formulation stability over time can be obtained.
  • the water-in-oil emulsified cosmetic of the present invention exhibits a high UV protection ability and is excellent in transparency after being applied to the skin.
  • the water-in-oil emulsified cosmetic of the present invention is excellent in pharmaceutical stability, and is also excellent in usability such as squeak-free spreading and detergency.
  • the component (A) N-acylamino acid-treated fine particle zinc oxide fine particle zinc oxide used in the present invention is a powder that blocks ultraviolet rays by absorbing, scattering, reflecting, quenching, etc., and its shape is particularly limited. Will not be done.
  • the average particle size of the fine particle zinc oxide before the N-acylamino acid treatment is preferably 1 to 200 nm, more preferably 3 to 100 nm, from the viewpoint of UV protection, formulation stability, transparency and the like. Even more preferably, it is 5 to 35 nm.
  • the average particle size is measured as the volume average particle size (D50) using a laser scattering type particle size distribution meter LA-960-V2 (manufactured by HORIBA).
  • the shape of the fine particle zinc oxide is not particularly limited as long as it is normally used for cosmetics, quasi-drugs, pharmaceuticals, etc.
  • granular, spherical, spindle-shaped, dendritic, balloon-shaped, etc. are mentioned, and in the present invention, granular, spherical, spindle-shaped, etc. are preferable from the viewpoint of ultraviolet protection ability, pharmaceutical stability, transparency, and the like. ..
  • the component (A) fine particle zinc oxide used in the present invention is surface-treated (coated) with N-acylamino acid.
  • N-acylamino acid In order to obtain a cosmetic product having sufficient UV protection ability and excellent stability, it is preferable to contain a large amount of zinc oxide, but there is a concern that the feel may be deteriorated due to a squeaky feeling.
  • by surface-treating (coating) with N-acylamino acid it becomes possible to obtain good spread and spread without squeak.
  • the amino acid treated with N-acylamino acid include alanine, glycine, sarcosine, lysine, aspartic acid, glutamic acid and the like, and the amino acid treated with N-acylamino acid includes salts thereof.
  • the fatty acid constituting the acyl group for the acyl amino acid treatment is preferably a fatty acid having 8 to 23 carbon atoms, and more preferably a fatty acid having 12 to 20 carbon atoms.
  • the amino acid moiety is selected from aspartic acid, glutamic acid and lysine
  • the fatty acid moiety constituting the acyl group is an acyl amino acid selected from lauric acid and stearic acid.
  • the component (A) is preferably selected from stearoyl glutamic acid, lauroyl aspartic acid, dilauroyl glutamic acid lysine, lauroyl glutamic acid, and lauroyl lysine, from the viewpoint of squeak-free spread and spread, formulation stability, cleanability, and the like. Lauroyl lysine and / or lauroyl glutamic acid is more preferable, and lauroyl lysine is particularly preferable from the viewpoint of formulation stability and cleanability.
  • the component (A) is lauroyl lysine-treated fine particle zinc oxide and / or lauroyl glutamic acid-treated fine particle zinc oxide.
  • the amino acid salt include the amino acid Na, K, Ca, Al, Mg and Zn salts.
  • these surface treatments can be used by appropriately selecting one kind or two or more kinds.
  • the surface treatment method for the component (A) is not particularly limited, and can be produced by a generally known method.
  • an N-acylamino acid treatment agent and fine particle zinc oxide to be treated are added to a solvent, and the mixture is stirred with a ball mill or the like, dried as necessary, washed with water and filtered repeatedly to remove impurities.
  • the desired N-acylamino acid-treated fine particle zinc oxide can be obtained.
  • several kinds of compounds which are surface treatment agents can be surface-treated at the same time, and it is also possible to perform surface treatment with any one compound in advance and then surface-treat another compound.
  • the treatment amount (mass) of the N-acylamino acid treatment agent in the component (A) is not particularly limited, but is relative to the powder mass before treatment from the viewpoint of squeak-free spread and spread and formulation stability. , 40% (hereinafter, simply “mass%” is abbreviated as "%”. Unless otherwise specified, the content is mass%), more preferably 35% or less, and more preferably 30%. The following is even more preferable.
  • the treatment amount (mass) of the N-acylamino acid treatment agent is preferably 1% or more, more preferably 3% or more, and 5% or more, based on the mass of the powder before treatment. Is even more preferable.
  • the treatment amount (mass) of the N-acylamino acid treatment agent is preferably 40% or less, more preferably 35% or less, based on the mass of the powder before treatment. It is preferably 30% or less, more preferably 30% or less. Further, as the lower limit, 5% or more is preferable, 10% or more is more preferable, and 15% or more is further preferable with respect to the mass of the powder before the treatment. Within this range is more preferable because it spreads without squeaks and has more excellent formulation stability.
  • the content of the component (A) is not particularly limited, but is preferably 5% or more, preferably 10% or more, in the water-in-oil emulsified cosmetic from the viewpoint of UV protection ability.
  • the above is more preferable, and 20% or more is further preferable.
  • it is preferably 35% or less, more preferably 30% or less, and from the viewpoint of transparency, it is less than 28%. Even more preferable.
  • the fine particle titanium oxide is a powder that blocks ultraviolet rays by absorbing, scattering, reflecting, quenching, etc., and the shape is not particularly limited. ..
  • the average particle size of the fine particle titanium oxide before the hydrophobization treatment is not particularly limited, but is preferably 1 to 200 nm, preferably 3 to 100 nm, from the viewpoint of ultraviolet protection, formulation stability, transparency and the like.
  • the average particle size is measured as a volume average particle size (D50) using a laser scattering type particle size distribution meter LA-960-V2 (manufactured by HORIBA).
  • the shape of the fine particle titanium oxide is not particularly limited, and examples thereof include granular, spherical, spindle-shaped, dendritic, and balloon-shaped, and from the viewpoint of ultraviolet protection ability, formulation stability, transparency, and the like. It is preferably granular, spherical, or spindle-shaped.
  • examples of commercially available products of these fine particle titanium oxides include TTO-51 (manufactured by Ishihara Sangyo Co., Ltd.), MT-500B (manufactured by TAYCA Corporation), and STR-100 (manufactured by Sakai Chemical Industry Co., Ltd.).
  • the hydrophobizing agent for the component (B) is not particularly limited as long as it is usually used for cosmetics, quasi-drugs, pharmaceuticals, etc., but for example, a silicone treatment agent, a fluorine treatment agent, and the like.
  • examples thereof include organic titanate treatment agents, fatty acid treatment agents, lecithin treatment agents, N-acylamino acid treatment agents and the like.
  • These hydrophobizing agents may be used alone or in combination of two or more.
  • one or more selected from silicone treatment agents, organic titanate treatment agents, and fatty acid treatment agents are preferable from the viewpoint of UV protection ability, formulation stability, and squeak-free spread, and silicone treatment agents and fatty acids. It is more preferably one or more selected from the treatment agents, and further preferably fatty acid treatment from the viewpoint of detergency.
  • silicone treatment agent examples include chain silicones such as low polymerization degree dimethylpolysiloxane, high degree of polymerization degree dimethylpolysiloxane, methylphenylpolysiloxane, and methylhydrogenpolysiloxane, amino-modified silicone, alkyl-modified silicone, and alkoxy-modified silicone.
  • Modified silicones such as, silicone resins such as trimethylsiloxysilicic acid and acrylic-silicone graft copolymers, silicone rubbers, partially or fully crosslinked organopolysiloxanes, silylating agents, silane coupling agents and the like. And one or more selected from the group consisting of these can be used. Above all, it is preferable to use silane coupling agents.
  • trialkoxyalkylsilane is preferable, though not particularly limited.
  • Trialkoxyalkylsilane is a compound in which three alkoxy groups and one alkyl group are bonded to a silicon atom, and the alkoxy group chemically modifies the powder surface by reacting with a hydroxyl group or the like on the powder surface. It is a compound.
  • the alkoxy group in the trialkoxyalkylsilane is preferably methoxy, ethoxy, propoxy or the like, which are alkoxy groups having 1 to 3 carbon atoms.
  • the alkyl group in the trialkoxyalkylsilane is preferably a hexyl group, an octyl group, a decyl group, an octadecyl group or the like, which are alkyl groups having 6 to 18 carbon atoms.
  • Such trialkoxyalkylsilanes include, for example, trimethoxyhexylsilane, trimethoxyoctylsilane, trimethoxydecylsilane, trimethoxyoctadecylsilane, triethoxyhexylsilane, trietoxyoctylsilane, triethoxydecylsilane, and triethoxyoctadecylsilane. And so on.
  • trimethoxyoctylsilane and triethoxyoctylsilane is more preferable from the viewpoint of UV protection ability, formulation stability, and usability without squeaky spread.
  • the fatty acid treating agent examples include fatty acids and metal salts thereof.
  • the fatty acid preferably has 12 to 22 carbon atoms from the viewpoint of UV protection and formulation stability. It is more preferably 16 to 20 carbon atoms, even more preferably 16 to 18 carbon atoms, and particularly preferably stearic acid having 18 carbon atoms in the fatty acid.
  • the fatty acid salt include Ca, Mg, Zn, Al and the like, and the Al salt is more preferable.
  • the method for hydrophobizing the component (B) is not particularly limited, and it can be produced by a generally known method.
  • a hydrophobizing agent and powder particles to be treated are added to a solvent, and the mixture is stirred with a ball mill or the like, dried as necessary, washed with water and filtered repeatedly to remove impurities, and then dried.
  • the desired hydrophobized powder can be obtained.
  • several kinds of compounds which are surface treatment agents can be surface-treated at the same time, and it is also possible to perform surface treatment with any one compound in advance and then surface-treat another compound.
  • the hydrophobic treatment agent for the component (B) is preferably a triethoxyoctylsilane treatment and / or a fatty acid (salt) treatment from the viewpoint of ultraviolet protection ability, formulation stability, transparency, cleanability and the like. It is more preferably one or more selected from ethoxyoctylsilane treatment and stearic acid (salt) treatment. That is, in a preferred embodiment of the present invention, the component (B) is triethoxyoctylsilane-treated fine particle titanium oxide and / or fatty acid-treated fine particle titanium oxide.
  • the treatment amount (mass) of the hydrophobizing agent in the component (B) is not particularly limited, but is 30% or less as an upper limit with respect to the powder mass before treatment from the viewpoint of pharmaceutical stability. It is preferably 25% or less, more preferably 20% or less, and as a lower limit, it is preferably 1% or more, more preferably 3% or more, and 5%. The above is even more preferable.
  • the content of the component (B) is not particularly limited, but from the viewpoint of usability such as ultraviolet protection ability and squeak-free spread and spread, 0. It is preferably 5% or more, more preferably 1% or more, further preferably 5% or more, and particularly preferably 7% or more from the viewpoint of ultraviolet protection ability. Further, the content of the component (B) is preferably 25% or less, more preferably 20% or less, and further preferably 15% or less, from the viewpoint of spreading and spreading without squeaking and transparency. It is more preferable, and it is particularly preferable that it is less than 12% from the viewpoint of transparency.
  • the total content ((A) + (B)) of the components (A) and (B) is a water-in-oil type from the viewpoint of usability such as UV protection, transparency and spread without squeak. In the emulsified cosmetic, it is 15% or more, preferably 25% or more.
  • the total content (A) + (B) is 40% or less, preferably 35% or less. If the total content (A) + (B) is less than 15%, the UV protection may not be excellent, and if the total content (A) + (B) exceeds 40%, the emulsified state may occur. Is destabilized, and there is concern that the stability of the formulation may decrease. In addition, the decrease in pharmaceutical stability may lead to a decrease in the dispersibility of fine particle zinc oxide and fine particle titanium oxide, resulting in poor usability such as UV protection and transparency, a strong squeaky feeling, and detergency. be.
  • the content mass ratio of the component (A) and the component (B) is not particularly limited, but from the viewpoint of ultraviolet protection ability, transparency, squeak-free spread and spread, etc., the water-in-oil emulsified cosmetic.
  • the content mass ratio (A) / (B) is preferably 0.1 or more, more preferably 1 or more, and particularly from the viewpoint of excellent UV protection, transparency and formulation stability. , 1.5 or more is more preferable, and 2 or more is particularly preferable.
  • the content mass ratio (A) / (B) is preferably 10 or less, more preferably 6 or less, and UV protection from the viewpoint of UV protection ability, transparency, spread without squeak, and the like. From the viewpoint of excellent performance, transparency and detergency, 4 or less is even more preferable.
  • the content mass ratio (A) / (B) of the component (A) and the component (B) is 1.5 to 6.
  • the component (C) polyhydroxystearic acid used in the present invention is a polymer of hydroxystearic acid having a hydroxyl group.
  • the hydroxyl group of hydroxystearic acid is preferably at the 12-position, and the degree of polymerization of hydroxystearic acid is preferably 12 from the viewpoint of improving the dispersibility of the components (A) and (B) and improving the formulation stability. 3 to 12 is preferable, and a degree of polymerization of 4 to 8 is more preferable.
  • Examples of the commercially available product of the component (C) include Sarakos HS-6C (manufactured by Nisshin Oillio Group Co., Ltd.) and the like.
  • the component (C) may be used alone or in combination of two or more.
  • the content of the component (C) in the present invention is not particularly limited, but is 0.1 in the water-in-oil emulsified cosmetic from the viewpoint of usability such as UV protection ability and squeak-free spread. % Or more, more preferably 0.5% or more, and even more preferably 0.7% or more from the viewpoint of detergency. Further, from the viewpoint of spreading and spreading without squeak and transparency, it is preferably 5% or less, more preferably 4% or less, and further preferably 3.5% or less from the viewpoint of detergency. It is particularly preferably 3% or less, and more preferably 1.5% or less.
  • the content mass ratio [(A) + (B)] / (C) is 10 or more. Is preferable, and 20 or more is more preferable. Further, in consideration of the effect of the present invention, the content mass ratio [(A) + (B)] / (C) is preferably 60 or less, and from the viewpoint of transparency and cleanability, the content mass ratio [(A). ) + (B)] / (C) is preferably 50 or less, more preferably 40 or less, and even more preferably 35 or less, from the viewpoint of UV protection and formulation stability. A preferred embodiment of the present invention is [(A) + (B)] / (C) of 10 to 50.
  • the ester oil of the component (D) liquid at 25 ° C. used in the present invention is an ester composed of a linear or branched fatty acid and a linear or branched monohydric or polyhydric alcohol.
  • the liquid at 25 ° C. refers to a viscosity value of 7,000 mPa ⁇ s or less as measured by a B-type viscometer (rotor No. 2) at 25 ° C. and 1 atm.
  • the component (D) may be used alone or in combination of two or more.
  • the component (D) is not particularly limited as long as it is an ester oil liquid at 25 ° C., but the IOB value is preferably 0.1 to 0.5.
  • the component (D) is used from the viewpoint that the dispersibility of the component (A) and the component (B) in the water-in-oil emulsified cosmetic is improved, and the stability and transparency of the preparation are improved.
  • the IOB value is more preferably 0.1 to 0.4.
  • ester oil having an IOB value of 0.1 to 0.4 examples include propylene glycol dicaprate (IOB: 0.26, organic value: 460) and isotridecyl isononanoate (IOB: 0.16, organic value). : 400), cetyl 2-ethylhexanoate (IOB: 0.13, organic value: 470), alkyl benzoate (C12-15) (IOB: 0.19, organic value: 410), tri2-ethyl Glyceryl hexaneate (IOB: 0.35, organic value: 510), neopentyl glycol dicaprate (IOB: 0.25, organic value: 450), neopentyl glycol diethylhexanoate (IOB: 0.32, organic) Sex value: 380), Trimethylolpropane triethylhexanoate (IOB: 0.33, Organic value: 550), Pentaerythrityl tetraoctanoate (IOB
  • the IOB value is more preferably 0.1 to 0.3, and the organic value is 500 or less (the lower limit is preferably 100 or more, more). It is even more preferable that the ester oil is preferably 200 or more).
  • the organic value is 500 or less (the lower limit is preferably 100 or more, more). It is even more preferable that the ester oil is preferably 200 or more).
  • propylene glycol dicaprate (IOB: 0.26, organic value: 460), isotridecyl isononanoate (IOB: 0.16, organic value: 400), cetyl 2-ethylhexanoate (IOB: 0). .13, organic value: 470), alkyl benzoate (C12-15) (IOB: 0.19, organic value: 410) and the like.
  • the content of the component (D) in the present invention is not particularly limited, but is 1% or more in the water-in-oil emulsified cosmetic from the viewpoint of ultraviolet protection ability, formulation stability and transparency. It is preferably 5% or more, and even more preferably 10% or more. Further, it is preferably 35% or less, more preferably 30% or less, and even more preferably 25% or less. This range is more preferable because it is excellent in spreading and spreading without squeaks and transparency.
  • Component (E) Nonionic surfactant of HLB2-9)
  • the nonionic surfactant of the component (E) HLB2 to 9 used in the present invention is not particularly limited as long as it is usually used for cosmetics, quasi-drugs, pharmaceuticals and the like.
  • HLB Hydrophilicity and lipophilicity
  • HLB "inorganic value (IV) / organic value (OV)” x 10 ...
  • Equation 1 See Yoshio Koda, “Organic Conceptual Diagram-Basics and Applications-", pp. 11-17, Sankyo Publishing, 1984).
  • nonionic surfactant having an HLB of 2 to 9 examples include a silicone-based surfactant, a sorbitan fatty acid ester, a glycerin fatty acid ester, and a polyethylene glycol fatty acid ester.
  • examples of the nonionic surfactant having an HLB of 2 to 9 include PEG-9 methyl ether dimethicone, PEG-10 dimethicone, PEG-9 dimethicone, cetyl PEG / PPG-10 / 1 dimethicone, and PEG-.
  • the component (E) is preferably a nonionic surfactant having HLB 2 to 6 from the viewpoints of formulation stability, squeak-free spread and transparency, transparency and the like. Even a nonionic surfactant having an HLB of more than 6 can be blended if the surfactant as a whole is made to have an HLB of 6 or less by combining with a surfactant having an HLB of 6 or less.
  • the total HLB is preferably 2 to 9, more preferably 2 to 6.
  • the total HLB is the arithmetic mean of the HLB values of each nonionic surfactant based on the blending ratio (mass%).
  • HLB A ⁇ (HLB A ⁇ A (%) / 100) HLB A indicates the HLB value of the nonionic surfactant A.
  • a (%) indicates the blending ratio of the nonionic surfactant A having the value of HLB A in the nonionic surfactant.
  • the component (E) is at least one selected from the group of silicone-based surfactants and polyethylene glycol fatty acid esters.
  • the component (E) includes PEG-9 polydimethylsiloxyethyl dimethicone, lauryl PEG-9 polydimethylsiloxyethyl dimethicone, PEG-9 dimethicone, PEG-30 dipolyhydroxystearate, and polyethylene glycol stearate.
  • At least one selected from the group consisting of PEG-9 dimethicone, lauryl PEG-9 polydimethylsiloxyethyl dimethicone, and at least one selected from the group consisting of PEG-30 dipolyhydroxystearate is more preferable.
  • these commercially available products include KF-6017, KF-6016, KF-6019 (manufactured by Shin-Etsu Chemical Co., Ltd.), KF-6048, KF-6028, KF-6038, KF-6105 (manufactured by Shin-Etsu Chemical Co., Ltd.), and CITHROLL. (Registered trademark) DPHS (manufactured by Croda Japan), NIKKOL MYS-2V, (manufactured by Nikko Chemicals) and the like.
  • the content of the component (E) is not particularly limited, but is 0.5% or more in the water-in-oil emulsified cosmetic from the viewpoint of UV protection ability, squeak-free spread and transparency, and transparency. It is preferably 1% or more, more preferably 1% or more, and even more preferably more than 1% from the viewpoint of detergency and formulation stability. Further, from the viewpoint of formulation stability, transparency and the like, it is preferably 10% or less, more preferably 6% or less, and further preferably 5% or less from the viewpoint of detergency, 4%. The following is particularly preferable.
  • the component (E) preferably contains a silicone-based surfactant and a polyethylene glycol fatty acid ester, and more preferably contains a silicone-based surfactant and PEG-30 dipolyhydroxystearate.
  • the mass ratio of polyethylene glycol fatty acid ester to silicone-based surfactant is preferably 0.7 or less, and is 0. It is more preferably 5 or less, more preferably 0.4 or less.
  • the lower limit of the content mass ratio of the polyethylene glycol fatty acid ester to the silicone-based surfactant is, for example, 0.1 or more, and may be 0.2 or more.
  • Component (F) at least one selected from the group consisting of cyclic silicone and silicone having a kinematic viscosity of 10 mm 2 / s or less at 25 ° C.
  • component (F) at least one selected from the group consisting of cyclic silicone and silicone having a kinematic viscosity of 10 mm 2 / s or less at 25 ° C.
  • the component (F) used in the present invention is not particularly limited as long as it is usually used in cosmetics.
  • the cyclic silicone include octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane (cyclomethicone, cyclopentasiloxane), dodecamethylcyclohexasiloxane, diphenylsiloxyphenyltrimethicone, etc. From the viewpoint of usability, decamethylcyclopentasiloxane is preferable.
  • the silicone having a kinematic viscosity of 10 mm 2 / s or less at 25 ° C.
  • dimethicone and methylphenylpolysiloxane include dimethicone and methylphenylpolysiloxane, and dimethicone is preferable from the viewpoint of usability such as spreading without squeaking, and at 25 ° C.
  • Dimethicone having a kinematic viscosity of 6 mm 2 / s or less is more preferable.
  • the lower limit of the kinematic viscosity of silicone having a kinematic viscosity at 25 ° C. of 10 mm 2 / s or less is usually 1.5 mm 2 / s or more.
  • one kind or a combination of two or more of these silicones may be used, but it is particularly preferable to contain at least decamethylcyclopentasiloxane.
  • the kinematic viscosity of the component (F) used in the present invention having a kinematic viscosity of 10 mm 2 / s or less at 25 ° C. is measured according to the cosmetic raw material standard / viscosity measurement method 2 using a Brookfield type viscometer. ..
  • the content of the component (F) is not particularly limited, but is preferably 1% or more, more preferably 5% or more, and has no squeaky elongation in the water-in-oil emulsified cosmetics. From the viewpoint of improving the spread, it is even more preferably 10% or more. Further, from the viewpoint of ultraviolet protection ability, formulation stability and transparency, it is preferably 30% or less, and more preferably 20% or less.
  • the mass ratio (D) / (F) of the component (D) to the component (F) is preferably 0.1 or more, preferably 0 or more, from the viewpoint of ultraviolet protection ability, pharmaceutical stability, transparency and the like. It is more preferably 5.5 or more. Further, the content mass ratio (D) / (F) is preferably 5 or less, more preferably 3 or less, and 2 or less, because the cosmetic effect of the oil agent such as spreading and spreading without squeaking is likely to be exhibited. Is even more preferable, and less than 2 is particularly preferable.
  • Component (G) water-soluble polysaccharide
  • component (G) water-soluble polysaccharide
  • the component (G) used in the present invention is not particularly limited as long as it is usually used in cosmetics, but a polysaccharide containing glucuronic acid as a constituent sugar is preferable. Further, a part of glucuronic acid may be neutralized, and a monovalent or divalent inorganic salt is preferable, and a salt of K, Na, or Ca is preferable.
  • Polysaccharide is a general term for substances in which multiple monosaccharide molecules are polymerized by glycosidic bonds.
  • the polysaccharide preferably refers to two or more sugars of glucuronic acid and other sugars, and more preferably 10 or more sugars are polymerized.
  • the molecular weight is also not particularly limited, but if it is 10,000 to 20 million, it is excellent in the effect of reducing stickiness and is preferable. Further, 100,000 to 10 million is preferable, and 500,000 to 5 million is particularly preferable.
  • the molecular weight in this case refers to the average molecular weight in the viscosity method using GPC.
  • polysaccharide containing glucuronic acid as a part of the constituent sugar include, but are limited to, white fungus polysaccharide, hyaluronic acid, xanthan gum, gellan gum, alkaligenes-producing polysaccharide, chondroitin sulfate, heparin, and the like. It's not a thing. Of these, the fungus polysaccharide, xanthan gum, and hyaluronic acid are preferable, and the fungus polysaccharide is particularly preferable. In addition, these polysaccharides can be used individually or in combination of 2 or more kinds as appropriate.
  • the white fungus polysaccharide is a high molecular weight polysaccharide obtained from a plant belonging to the genus Tremella in the family Tremellaceae.
  • Such a fungus polysaccharide is not particularly limited, and examples of commercially available products include Tremoist (registered trademark) -TP and Tremoist-SL (manufactured by Nippon Fine Chemical Co., Ltd.).
  • the content of the component (G) is not particularly limited, but is preferably 0.0005% or more, more preferably 0.001% or more in the water-in-oil emulsified cosmetic.
  • the content of the component (G) is preferably 0.02% or less, more preferably 0.01% or less in the water-in-oil emulsified cosmetic.
  • the effects of the present invention such as UV protection ability and transparency are suitably exhibited while ensuring non-squeaky spread and spread.
  • the transmittance of light having a wavelength of 500 nm is preferably 60% or more (upper limit 100%), and more preferably 80% or more.
  • UV-2600 UV-2600
  • the transmittance at a wavelength of 500 nm using (manufactured by Shimadzu Corporation) can be measured and evaluated.
  • the present invention preferably contains substantially no organic ultraviolet absorber in consideration of pharmaceutical stability and skin safety.
  • the organic ultraviolet absorber may be either a water-soluble organic ultraviolet absorber or an oil-soluble organic ultraviolet absorber, and includes any of those used in ordinary cosmetics. Specifically, for example, 2-hydroxy-4-methoxybenzophenone, 2,4,6-trianilino-p- (carbo-2'-ethylhexyl-1'-oxy) -1,3,5-triazine, salicylate-2.
  • substantially free means that the organic UV absorber is not contained at least intentionally. Therefore, when a trace amount of the organic ultraviolet absorber is inevitably contained due to the raw material, the manufacturing method, or the like, it can be included in the concept of "substantially free of the organic ultraviolet absorber".
  • the content of the organic ultraviolet absorber is 0.01% or less (lower limit 0%), 0.005% or less, and 0.0001% or less with respect to the water-in-oil emulsified cosmetic.
  • the water-in-oil emulsified cosmetic of the present invention contains, in addition to the above-mentioned essential ingredients, ingredients used in ordinary cosmetics as necessary within a quantitative and qualitative range that does not impair the effects of the present invention. can do.
  • an aqueous component for constituting a water-in-oil emulsified cosmetic an oily component other than the component (C) and the component (F), a surfactant other than the component (E), and other than the components (A) and (B).
  • It can contain a powder of the above, a water-soluble polymer other than the component (G), a moisturizer, an antioxidant, a beauty component, a preservative, a fragrance, a refreshing agent and the like.
  • the aqueous component may be any component as long as it is soluble in water, and for example, glycols such as propylene glycol, 1,3-butylene glycol, dipropylene glycol and polyethylene glycol, glycerin, diglycerin, polyglycerin and the like.
  • glycols such as propylene glycol, 1,3-butylene glycol, dipropylene glycol and polyethylene glycol, glycerin, diglycerin, polyglycerin and the like.
  • examples thereof include glycerols, sorbitols, martitols, sugar alcohols such as glucose, lower alcohols such as ethanol, and the like.
  • the present invention is a water-in-oil emulsified cosmetic
  • it contains water.
  • the content of water is, for example, 15 to 75% and 20 to 60% in the water-in-oil emulsified cosmetic.
  • the water is not particularly limited, and examples thereof include plant extracts such as normal water, purified water, hot spring water, deep water, aloe vera, witch hazel, hamamelis, cucumber, lemon, lavender, and rose, and one or more kinds of water can be used. Can be used.
  • the properties of the water-in-oil emulsified cosmetic of the present invention can be implemented in various forms such as liquid, gel, milky, creamy, semi-solid, solid, and mousse. Above all, it is preferable to make it creamy in order to obtain the effect of the present invention.
  • the creamy state has a viscosity measured by a Brookfield type rotational viscometer at 25 ° C. of 100,000 mPa ⁇ s or less, preferably 90,000 mPa ⁇ s or less, more preferably 80. It is 000 mPa ⁇ s or less, and even more preferably 70,000 mPa ⁇ s or less.
  • the water-in-oil emulsified cosmetic of the present invention includes milky lotion, cream, beauty liquid, massage cosmetics, pack cosmetics, hand creams, body lotions, body creams, makeup cosmetics, makeup base cosmetics, eye creams, etc. It is suitable as a sunscreen, a hair cream, a hair wax, etc., and a sunscreen is preferable in that the effect can be felt.
  • a sunscreen it can also be applied to a foundation, a foundation, a daytime beauty essence, and the like.
  • the method for producing the water-in-oil emulsified cosmetic of the present invention can be produced by a generally known method, and the manufacturing apparatus may be any dispersal / emulsifying apparatus such as a general dispersion.
  • Examples 1 to 22 and Comparative Examples 1 to 7 Water-in-oil emulsified cosmetics (sunscreen)
  • the water-in-oil emulsified cosmetics having the compositions shown in Tables 1 to 3 below are prepared by the following production methods, and the evaluation methods shown below are performed for UV protection, formulation stability, squeak-free spread, transparency, and detergency. And the evaluation judgment is made according to the judgment criteria, and the results are also shown in Tables 1 to 3.
  • the numerical values in () in the components (A) and (B) indicate the average particle diameter of the fine particle zinc oxide or the fine particle titanium oxide before the treatment. The same applies hereinafter.
  • UV protection ability For UV protection, each sample was spread on a PMMA plate (HELIOPLATE HD6 manufactured by Labsphere) with 2 mg / cm 2 with a finger, and then left to stand for 20 minutes. SPF measurement was performed using an analyzer (UV-2000S manufactured by Labsphere), 10 points were measured on the plate, an average SPF value was calculated, and evaluation was performed according to the following three-step criteria.
  • HELIOPLATE HD6 manufactured by Labsphere
  • Comparative Example 1 in which the total content (A) + (B) exceeds 40%, satisfactory ones are obtained in terms of formulation stability, squeak-free spread and spread, transparency and detergency. There wasn't. Further, in Comparative Example 2 in which the total content (A) + (B) was less than 15%, the ultraviolet protection ability was insufficient. Further, in Comparative Example 3 using a surface treatment different from the N-acylamino acid surface treatment of the component (A), a satisfactory one was not obtained in terms of spreading and spreading without squeaks and detergency, and the component (B) was obtained.
  • Comparative Example 4 in which the fine particle titanium oxide which had not been hydrophobized was used instead of the above, no satisfactory one was obtained in all the effects other than the detergency. Further, in Comparative Example 5 using a dispersant different from that of the component (C) polyhydroxystearic acid, satisfactory in terms of pharmaceutical stability, transparency and detergency could not be obtained. Furthermore, in Comparative Example 6 in which the hydrocarbon oil was used instead of the ester oil of the component (D), no satisfactory result was obtained in all the effects other than the ultraviolet protection ability. In Comparative Example 7 in which stearoyl glutamic acid, which is an anionic surfactant, was used instead of the component (E), all the effects other than the detergency were not satisfactory.
  • Example 23 Sunscreen (water-in-oil emulsification) (Component) (% by mass) 1.
  • Stearic acid (10% by mass treatment) / AL hydroxide treatment Fine particle titanium oxide (10nm) (component (B)) 5 2.
  • Lauroyl lysine treatment (20% by mass treatment) Fine particle zinc oxide (25 nm) (component (A)) 15 3.
  • Polyhydroxystearic acid (Note 17) (Component (C)) 2 4.
  • Isononyl isononanoate (Note 10) Component (D)) (IOB: 0.2) 10 5.
  • the sunscreen of Example 23 was excellent in ultraviolet protection ability, formulation stability, squeak-free spread and spread, transparency, and detergency.
  • (A) + (B) 20% by mass
  • (A) / (B) 3.0
  • [(A) + (B)] / (C) 10
  • (D) / (F) It was 1.8.
  • Example 24 Daytime beauty essence (water-in-oil emulsification) (Component) (% by mass) 1.
  • Triethoxyoctylsilane treatment (10% by mass treatment) Fine particle titanium oxide (10 nm) (component (B)) 5 2.
  • Lauroyl lysine treatment (20% by mass treatment) Fine particle zinc oxide (25 nm) (component (A)) 17 3.
  • Polyhydroxystearic acid (Note 17) (Component (C)) 2
  • Isotridecyl isononanoate (component (D)) 10 10.
  • Isopropyl palmitate (component (D)) 8 6. Dipolyhydroxystearate PEG-30 (Component (E)) 1 7.
  • PEG-9 Dimethicone (Component (E)) 2 8. Dimethicone (kinematic viscosity at 25 ° C. 10 mm 2 / s) (component (F)) 10 9.
  • DPG 5 13.
  • Glycerin 4 Snow fungus polysaccharide (Note 9) (Component (G)) 3 15.
  • Ethanol 3 (Note 9) TREMOIST-TP (manufactured by Nippon Fine Chemical Co., Ltd.) (Note 13) God Ball D-11C (manufactured by Suzuki Oil & Fat Industry Co., Ltd.) (Note 14) Sunsphere H-201 (manufactured by AGC SI Tech) (Production method)
  • C Ingredients 11 to 15 were uniformly mixed, and the mixture was added to B and emulsified to obtain a daytime beauty essence (water-in-oil emulsification).
  • Example 24 The daytime beauty essence (water-in-oil emulsification) of Example 24 was excellent in ultraviolet protection ability, formulation stability, squeak-free spread and spread, transparency, and detergency.
  • (A) + (B) 22 mass%
  • (A) / (B) 3.4
  • Example 25 Liquid foundation (water-in-oil emulsification) (Component) (% by mass) 1.
  • Triethoxyoctylsilane treatment (10% by mass treatment) Fine particle titanium oxide (10 nm) (component (B)) 5 2.
  • Lauroyl lysine treatment (20% by mass treatment) Fine particle zinc oxide (25 nm) (component (A)) 17 3.
  • Neopentyl glycol diethylcaproate (Note 15) (IOB: 0.32) (Component (D)) 8 6.
  • Example 25 The liquid foundation (water-in-oil emulsification) of Example 25 was excellent in UV protection ability, formulation stability, squeak-free spread and spread, transparency, and detergency.
  • (A) + (B) 22 mass%
  • Example 26 Sunscreen (water-in-oil emulsification) (Component) (% by mass) 1.
  • Stearic acid (10% by mass treatment) / AL hydroxide treatment Fine particle titanium oxide (10nm) (component (B)) 5 2.
  • Lauroyl lysine treatment (20% by mass treatment) Fine particle zinc oxide (25 nm) (component (A)) 15 3.
  • Polyhydroxystearic acid (Note 17) (Component (C)) 2 4.
  • Isononyl isononanoate (Note 10) Component (D)) (IOB: 0.2) 10 5.
  • the sunscreen of Example 26 was excellent in ultraviolet protection ability, formulation stability, squeak-free spread and spread, transparency, and detergency.
  • (A) + (B) 20% by mass
  • (A) / (B) 3.0
  • [(A) + (B)] / (C) 10
  • (D) / (F) It was 1.8.
  • Example 27 Liquid foundation (water-in-oil emulsification) (Component) (% by mass) 1.
  • Triethoxyoctylsilane treatment (10% by mass treatment) Fine particle titanium oxide (10 nm) (component (B)) 5 2.
  • Lauroyl lysine treatment (20% by mass treatment) Fine particle zinc oxide (25 nm) (component (A)) 17 3.
  • Neopentyl glycol diethylcaproate (Note 15) (IOB: 0.32) (Component (D)) 8 6.
  • Tranexamic acid 2 (Production method) A: Ingredients 1 to 4 are mixed and dispersed in a roll mill. B: The remaining components 5 to 11 are mixed, A is added, and the mixture is mixed and dispersed. C: Ingredients 12 to 17 were uniformly mixed, and the mixture was added to B and emulsified to obtain a liquid foundation (water-in-oil emulsification).
  • Example 27 The liquid foundation (water-in-oil emulsification) of Example 27 was excellent in UV protection ability, formulation stability, squeak-free spread and spread, transparency, and detergency.
  • (A) + (B) 22 mass%

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Abstract

L'invention concerne un produit cosmétique en émulsion eau dans l'huile qui utilise de l'oxyde de zinc microparticulaire traité à l'acide N-acylamino, de l'oxyde de titane microparticulaire rendu hydrophobe, de l'acide polyhydroxystéarique, une huile d'ester qui est liquide à 25 °C, et un tensioactif non ionique ayant un HLB de 2 à 9, le produit cosmétique en émulsion eau dans l'huile ayant une capacité élevée de protection contre les UV, une excellente aptitude à l'utilisation, telle qu'une excellente aptitude à l'étalement sans grincement et une excellente aptitude au nettoyage, et une excellente transparence après application, et une excellente stabilité de formulation. La solution selon la présente invention concerne un produit cosmétique en émulsion eau dans l'huile qui contient les constituants suivants (A) à (E) : (A) un oxyde de zinc microparticulaire traité à l'acide N-acylamino, (B) de l'oxyde de titane microparticulaire rendu hydrophobe, (C) de l'acide polyhydroxystéarique, (D) une huile d'ester qui est liquide à 25 °C, (E) un tensioactif non ionique ayant un HLB de 2 à 9 ; et la teneur totale du composant (A) et du composant (B) est de 15 à 40 % en masse.
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Cited By (3)

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WO2023199644A1 (fr) * 2022-04-12 2023-10-19 株式会社Ｄｎｐファインケミカル Dispersion et produit cosmétique la contenant
WO2024024543A1 (fr) * 2022-07-28 2024-02-01 株式会社 資生堂 Composition de produit cosmétique émulsifié type eau dans l'huile
WO2024024542A1 (fr) * 2022-07-28 2024-02-01 株式会社 資生堂 Composition cosmétique en émulsion eau dans l'huile

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007291095A (ja) * 2006-03-31 2007-11-08 Kose Corp 油中水型乳化化粧料
JP2010222349A (ja) * 2009-02-27 2010-10-07 Shiseido Co Ltd 日焼け止め化粧料
JP2014162724A (ja) * 2013-02-21 2014-09-08 Fancl Corp 油中水型乳化組成物
JP2014172837A (ja) * 2013-03-07 2014-09-22 Dhc Co 油中水型乳化化粧料
JP2018008910A (ja) * 2016-07-15 2018-01-18 株式会社ディーエイチシー 日焼け止め化粧料

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3567335B2 (ja) 1993-12-28 2004-09-22 三好化成株式会社 有機ケイ素化合物処理顔料または体質顔料、その製法および化粧料
JP3732265B2 (ja) 1995-12-25 2006-01-05 石原産業株式会社 紡錘状微粒子二酸化チタン及びその製造方法
JP6267032B2 (ja) 2014-03-27 2018-01-24 株式会社ファンケル 日焼け止め化粧料

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007291095A (ja) * 2006-03-31 2007-11-08 Kose Corp 油中水型乳化化粧料
JP2010222349A (ja) * 2009-02-27 2010-10-07 Shiseido Co Ltd 日焼け止め化粧料
JP2014162724A (ja) * 2013-02-21 2014-09-08 Fancl Corp 油中水型乳化組成物
JP2014172837A (ja) * 2013-03-07 2014-09-22 Dhc Co 油中水型乳化化粧料
JP2018008910A (ja) * 2016-07-15 2018-01-18 株式会社ディーエイチシー 日焼け止め化粧料

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WO2023199644A1 (fr) * 2022-04-12 2023-10-19 株式会社Ｄｎｐファインケミカル Dispersion et produit cosmétique la contenant
WO2024024543A1 (fr) * 2022-07-28 2024-02-01 株式会社 資生堂 Composition de produit cosmétique émulsifié type eau dans l'huile
WO2024024542A1 (fr) * 2022-07-28 2024-02-01 株式会社 資生堂 Composition cosmétique en émulsion eau dans l'huile

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