Abstract: The purpose of the present invention is to provide: a virus inactivating agent that exhibits an effect at an amount that does not cause skin irritation; and an external skin preparation composition containing said virus inactivating agent. The present invention relates to: a virus inactivating agent containing, as an effective component thereof, at least one selected from mint oil, eucalyptus oil, rosemary oil, sage oil, tea tree oil, shell ginger oil, peppermint oil, lemongrass oil, cajeputi oil, niaouli cineole oil, lime oil, lemon oil, lemon verbena oil, St. John's wort oil, ravintsara oil, rosewood oil, Melissa/lemon balm oil, myrrh oil, mandarin oil, vetiver oil, frankincense oil, citronella oil, cardamom oil, Angelica oil, and cationized starch; and an external skin preparation composition containing the same.

Abstract: The present invention provides a composition for preventing adhesion of air-borne fine particles, which contains a 2-(meth)acryloyloxyalkyl phosphorylcholine-(meth)acrylic acid alkyl ester copolymer as an antistatic agent, and which is not decreased in the effect of preventing adhesion of air-borne fine particles even if a sufficient amount of an oil component is blended therein. The present invention is characterized by containing (A) 2-(meth)acryloyloxyalkyl phosphorylcholine-(meth)acrylic acid alkyl ester copolymer, (B) a di-long-chain cationic surfactant represented by formula (I) (wherein each R1 independently represents and alkyl group having 12-22 carbon atoms and 0-3 double bonds; each R2 independently represents an alkyl group having 1-3 carbon atoms and no double bond; and Y represents a halogen atom, a methosulfate or a methophosphate), and (C) one or more oil components selected from among hydrocarbon oils, ester oils and silicone oils.

Abstract: An objective of the present invention is to provide a gel-type skin preparation for external use into which a di-chain cationic surfactant can be stably blended without precipitation over time and which can be spread topically on skin. The gel preparation according to the present invention comprises (a) a di-chain cationic surfactant having a specific structure, (b) an oil in which component (a) is soluble, (c) a lower alcohol, (d) a water-soluble thickener, and (e) water.

Abstract: A water-in-oil emulsion cosmetic, has good stability and does not cause a decrease in viscosity when a large quantity of fragrance material is blended. The water-in-oil emulsion cosmetic, includes: (a) 5 to 15% by mass of a fragrance material, (b) 1.5 to 3% by mass of dimethyldistearylammonium hectorite, and, (c) a nonionic surfactant, wherein, the (c) nonionic surfactant comprises (c1) 2 to 10% by mass relative to the total weight of the composition of a polyether modified silicone having a C12-22 branched hydrocarbon chain, and may comprise (c2) 10% by mass or less relative to the total weight of the composition of a polyether modified silicone having no alkyl chain, wherein, a ratio of the total blending quantity of the component (c1) and the component (c2) relative to a blending quantity of the component (b) is 2 or more, a ratio of the total blending quantity of the component (c1) and the component (c2) to a blending quantity of the component (a) is 0.

Abstract: A powder cosmetic provides an excellent finish and has an excellent usability while maintaining a hiding power, and exhibits an excellent capacity to be more transmissive of light in long wavelength regions (selective red light transmission capacity). The titanium dioxide powder is particles in which the apparent average particle diameter is 100 nm or more and less than 500 nm, the average crystallite diameter measured by x-ray diffraction is 15-30 nm, the specific surface area of 10-30 m2/g, and a ratio between the long diameter and short diameter of the shape (long diameter/short diameter) of 1.0-2.5, and the particles have a shape in which radially projecting needle-shaped projections are aggregated. The powder cosmetic incorporates the titanium dioxide powder.

Abstract: The invention provides an inorganic particle dispersion comprising a novel block copolymer capable of improving dispersibility of inorganic particles, particularly an inorganic particle dispersion for a cosmetic.

Abstract: The object of the present invention is to suitably control a charging state of a human body all the time. A charging amount detection device 13 is worn by a human body and measures the surface potential of the human body. A static electricity control device 12 is worn by a human body and generates and discharges ions to the human body and thereby controls the static electricity on the human body. A mobile terminal 11 sets a control pattern of the static electricity on the human body that is suitable for a condition such as temperature and humidity for the static electricity control device 12 via short-range wireless communication. The static electricity control device 12 uses the set control pattern to perform feedback control of the static electricity on the human body by using the surface potential of the human body measured by the charging amount detection device 13.

Abstract: The invention provides a hair cosmetic comprising a novel block copolymer capable of sustainably imparting properties such as slipperiness to hair. The hair cosmetic of the present invention comprises a block copolymer having a hydrophobic segment and a hydrophilic segment, wherein the hydrophobic segment has a monomer unit composed of at least one monomer selected from the following Formula 1 and Formula 2, wherein the hydrophilic segment has a monomer unit composed of a monomer of the following formula 3: where R1 is hydrogen or a methyl group, R2 is hydrogen or fluorine, m is an integer of 1 to 6, and n is an integer of 5 to 15, where R1 is hydrogen or a methyl group, R3 and R4 are each independently an alkyl group having 1 to 6 carbon atoms, m is an integer of 1 to 6, and p is an integer of 5 to 70, where R1 is hydrogen or a methyl group, m is an integer of 1 to 6, and R5 are each independently a functional group that hydrolyzes and cross-links.

Abstract: The present invention has the purpose of providing an oil-in-water emulsion cosmetic that contains a high quantity of an ultraviolet absorbing agent and an ultraviolet scattering agent in the oil phase and achieves a high SPF, while simultaneously having a Distinctive fresh feeling in use when applied to the skin. The present invention provides an oil-in-water emulsion cosmetic characterized by comprising (A) 0.05 to 1% by mass of a hydrophobically modified alkyl cellulose; (B) 5 to 40% by mass of an oil component; (C) 2.5 to 30% by mass of an ultraviolet scattering agent having a hydrophobic surface; and (D) a water phase thickener having low salinity tolerance; wherein the (C) ultraviolet scattering agent is dispersed in the oil phase.

Abstract: The present invention relates to a cosmetic having the innovative, unprecedented property in which the ultraviolet protection effects do not decrease, but conversely increase, due to coming into contact with moisture such as water or perspiration, and due to heat applied in the usage environment. The cosmetic of the present invention contains (A) an ultraviolet protectant; (B) at least one compound that is water-soluble and that has an IOB of 5.

Abstract: Provided is an elastomer that improves the skin feel of an inorganic powder. The elastomer according to the present invention is an elastomer comprising: (A) an amino group-containing silicone polymer; and (B) a carboxyl group-containing silicone polymer or a carboxyl group-containing acrylamide polymer, wherein a molar ratio Y/X between amino groups and carboxyl groups is within a range of 0.1 to 1.2, wherein Y denotes the molar amount of carboxyl groups contained in the component (B), and X denotes the molar amount of amino groups contained in the component (A).

Abstract: An oil-in-water emulsion cosmetic comprising: an anionic surfactant (A) having a sulfonic acid group in a molecule, a partially-crosslinked or crosslinked dimethylpolysiloxane (B), an animal/plant-derived or chemically synthesized oily component (C) that is solid at 25° C., and a silicone oil (D) having a kinematic viscosity at 25° C. of 100 cSt or less.

Abstract: A module aroma mixture involves a main aroma component and mixture including hexyl acetate and limonene, and at least one type of compound selected from the group of isoamyl acetate, ethyl 2-methylpentanoate, trans-2-hexen-1-ol, alpha-damascone, cis-3-hexen-1-ol, linalool, ethyl acetate, ethyl 2-methylacetate, nonanal, neral, neryl acetate, geranial, geranyl acetate, citronellol, nerol, geraniol, ethyl propionate, hexanal, ethyl hexanoate, rose oxide, hexanol, cis-3-hexenyl acetate, methyl anthranilate, diethyl malonate, ethyl decanoate, octanal, decanal, ethyl 2-methylpentanoate, 2-tert-butylcyclohexyl acetate, and dimethylphenethylcarbinyl acetate, wherein from 0.05 to 5% by mass of the module aroma mixture is blended relative to a total amount of the module aroma mixture and the main aroma component.

Abstract: A cosmetic according to the present invention, an objective of which is to provide a two-layered oil-based cosmetic that, despite having a high powder content, is resistant to caking, has excellent powder re-dispersibility and has an excellent texture when applied, is a two-layered oil-based cosmetic containing (a) a non-spherical organopolysiloxane elastomer, (b) silicic anhydride and (c) a powder other than (b) above. Furthermore, the cosmetic of the present invention has a viscosity of 10,000 mPa·s or lower.

Abstract: The invention provides a novel oil thickener that can impart a thickening effect for oils used in cosmetics, and a novel oil-soluble copolymer that can be used as the thickener. The cosmetic oil thickener of the invention is an oil-soluble copolymer having a monomer unit composed of a hydrophilic monomer, a monomer unit composed of an easily-crystallizing hydrophobic monomer, and a monomer unit composed of a poorly-crystallizing hydrophobic monomer.

Abstract: A method of preparing a fine oil-in-water emulsion comprising an oil phase based on silicone and/or hydrocarbon oils, in which the oil phase particles have an average particle size of 150 nm or less. The emulsion is stabilized by a carboxy-modified silicone in combination with a C16 to 22 higher alcohol; a nonionic surfactant having a POE chain and an HLB of 5 to 10; and a dihydric glycol. The emulsions can be prepared without the use of a high-pressure emulsifying apparatus.

Abstract: The purpose of the present invention is to develop a method for screening drugs having the effect of increasing skin barrier function in in vitro studies and to evaluate barrier function in the skin. Candidate drugs can be screened by using the activity and/or expression level of serine racemase as an indicator.

Abstract: A stratum corneum-collecting adhesive composition includes a hydrophobic component having adhesiveness, and a hydrophilic component that is present in a dispersed state in the hydrophobic component.

Abstract: The present invention provides an ?-gel forming composition and an ?-gel composition that uses an ?-gel formation composition that is highly stable and that does not become colored or deposit crystals, etc. over time. An ?-gel composition includes (A) 25-50 mass % of one or more higher aliphatic alcohol and/or higher fatty acid has 16 or more carbons, (B) 40-70 mass % of a specific polyoxyethylene sterol ether, and (C) 5-20 mass % of a specific polyoxyethylene dialkyl ester and/or ether. The ?-gel composition is generated by adding water.

Abstract: An ink-jet ink composition includes: a solvent; a pigment comprising a first powder, the surface of which, in the solvent, bears a first charge; an ionic polymer having a second charge, which is counter to the first charge; and polyvalent ions having the first charge. The ink composition has a surface tension of 53 mN/m or less.