Abstract: An aqueous solution for surface treatment, for treating a surface of an alloy, the aqueous solution comprising: a copper compound at a copper ion concentration of 20000 ppm or more and 50000 ppm or less; a heterocyclic nitrogen compound at a concentration of 200 ppm or more and 3000 ppm or less; and a halide ion at a concentration of 2000 ppm or more and 70000 ppm or less.

Abstract: A processor of an operation supporting device acquires pre-operation data including position information of a feature portion of an inside of a body cavity of a subject, which is generated before an operation, and a procedure in the operation, which is planned before the operation, and acquires an endoscope image generated in the operation. The processor generates real-time data including real-time position information of the feature portion of the inside of the body cavity, based at least on the pre-operation data and the endoscope image, and generates an image to be displayed on the endoscope image in a superimposed manner, based on the real-time data. The processor recognizes a real-time scene based at least on the procedure planned before the operation and the real-time data.

Abstract: Provided are an aqueous composition with which the surface of stainless steel is adequately roughened in an efficient manner with few steps, a method for roughening stainless steel, etc. The problem mentioned above is solved by an aqueous composition for roughening the surface of stainless steel, the aqueous composition including 0.1-20 mass % of hydrogen peroxide with reference to the total amount of the aqueous composition, 0.25-40 mass % of copper ions with reference to the total amount of the aqueous composition, and 1-30 mass % of halide ions with reference to the total amount of the aqueous composition.

Abstract: Provided is a water-in-oil emulsified cosmetic having improved feeling on use and usability. The water-in-oil emulsified cosmetic may include: (a) one or more polymers selected from the group consisting of polyacrylic acid, a salt of polyacrylic acid, poly(2-acrylamido-2-methylpropanesulfonic acid), and a salt of poly(2-acrylamido-2-methylpropanesulfonic acid) and having (i) a weight average molecular weight of 1 million to 4 million, and (ii) a viscosity at 25° C. when made into a 1% by mass aqueous solution of 1 Pa·s or less, (b) an aqueous phase component other than the component (a); (c) 60% by mass or less of an oily component, and (d) an emulsifier.

Abstract: A low-viscosity water-in-oil cosmetic emulsion preparation gives a smooth use feeling, lightly spreads when applied, and has excellent dispersed-powder stability. The cosmetic emulsion preparation has (A) a polar oil which is liquid at 25° C. and has an IOB value exceeding 0.1, (B) a hydrocarbon oil, (C) a polyoxyalkylene; and alkyl-modified organopolysiloxane represented by general formula (I), and (D) a powder surface-treated with both an N-acylamino acid and methylpolysiloxane. (In formula (I), R represents a hydrogen atom or a C1-5 alkyl group, x is an integer of 5-50, y is an integer of 1-30, z is an integer of 20-200, a is an integer of 2-20, b is an integer of 1-5, c is an integer of 2-20, and d is an integer of 0-20).

Abstract: The purpose of the present invention is to provide a water-in-oil emulsified solid cosmetic having a relatively high internal-aqueous-phase proportion (about 40% or higher), the cosmetic being a makeup which has an excellent concealing effect and gives a natural finish and which is stable and has satisfactory applicability. The present invention relates to a solid cosmetic in water-in-oil emulsified type characterized by comprising (A) at least one fatty acid glyceryl ester selected from the group consisting of glyceryl isostearate, poly(2-glyceryl) diisostearate, and glyceryl oleate, (B) an aqueous component, (C) an oily component, and (D) a powdery component, the oily component (C) comprising a solid oil (C1) and an oil-soluble film former (C2) and the powdery component (D) comprising titanium dioxide (D1) having a primary-particle diameter of 0.05-0.5 ?m in an amount of 10 mass % or more relative to the whole cosmetic preparation and further containing a pearl pigment (D2).

Abstract: Provided is an elastomer that improves the skin feel of an inorganic powder. The elastomer according to the present invention is an elastomeric mixture comprising an amino group-containing silicone polymer and a carboxyl group-containing silicone polymer or a carboxyl group-containing acrylamide polymer. The molar ratio of amino groups to carboxyl groups in the mixture is within the range of 0.1 to 1.2.

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: The present invention provides a water-in-oil type emulsion cosmetic which has a fresh and smooth feeling to the touch; forms a uniform coating film once applied; can make skin unevenness such as pores look less prominent while covering discolorations such as age spots and freckles; and does not give an impression of thick application. The water-in-oil emulsion cosmetic is characterized by including (A) 0.1-10% by mass of a pigment-grade titanium dioxide and (B) 0.01-2% by mass of sodium acrylate grafted starch. It is preferred that this cosmetic further includes (C) spherical particles and/or (D) a silicone elastomer.

Abstract: An elastomer improves the feel of inorganic powder on the skin. An emulsion cosmetic is characterized by containing: (A) 0.5-20 mass % of an inorganic powder having an elastomer coating layer containing (a1) and (a2); and (B) 20-80 mass % of an oil component. The elastomer is characterized by comprising: (a1) a silicone polymer having an amino group; and (a2) a carboxyl group-containing silicone polymer or a carboxyl group-containing acrylic polymer, wherein the molar ratio of the amino group to the carboxyl group, Y/X is in the range of 0.1-1.2 (Y is the molar amount of the carboxyl group contained in the component (a2), and X is the molar amount of the amino group contained in the component (a1)).

Abstract: An object of the present invention is to provide a water-in-oil emulsified cosmetic having improved feeling on use and usability. A water-in-oil emulsified cosmetic characteristic by comprising the following components (a) to (d): (a) one or more polymers selected from the group consisting of polyacrylic acid, a salt of polyacrylic acid, poly(2-acrylamido-2-methylpropanesulfonic acid), and a salt of poly(2-acrylamido-2-methylpropanesulfonic acid) and having a weight average molecular weight of 1 million to 4 million, and a viscosity at 25° C. when made into a 1% by mass aqueous solution of 1 Pa·s or less, (b) an aqueous phase component other than the component (a) (c) 60% by mass or less of an oily component, and (d) an emulsifier.

Abstract: A water-in-oil emulsifying cosmetic that has a smooth texture while suppressing stickiness, and that further has an excellent fitting sensation when applied. The water-in-oil emulsion cosmetic of the present invention contains (A) a water-soluble thickener in an internal phase; and contains at least one of (B) an emulsifying crosslinked elastomer and (C) a metal soap in an external phase.

Abstract: An objective of the present invention is to provide a solid water-in-oil emulsion cosmetic that significantly improves stability at high temperatures, while maintaining an excellent feeling in use (a smooth and watery texture) that is obtained by blending a powder into an internal water phase. The present invention relates to a solid water-in-oil emulsion cosmetic containing an internal water phase in which an internal phase powder, including hydrophilic titanium oxide, is dispersed in an aqueous medium, and an external oil phase that is thickened or solidified with a wax and/or a gelling agent, wherein the solid water-in-oil emulsion cosmetic contains a cationic dispersant and/or an amphoteric dispersant for dispersing the internal phase powder; and the internal phase powder contains 5.0% by mass or more of the hydrophilic titanium oxide relative to the total amount of the cosmetic.

Abstract: An emulsion cosmetic maintains a concealing ability, allows light in a long wavelength region to transmit efficiently (i.e., an excellent red light selective transmit function), is spread easily, wherein a powder likeness cannot be felt upon use, and provides a natural finish when applied onto the skin. A titanium dioxide powder therefore is composed of particles having an apparent average particle diameter of 100 nm or more and less than 500 nm, an average crystallite diameter of 15 to 30 nm as measured by a X-ray diffraction method and a specific surface area of 10 to 30 m2/g, and each has a shape with radially projected needle-like projections are coagulated, and has a ratio of a longer axis to a shorter axis (i.e., a (longer axis)/(shorter axis) ratio) in the shape of 1.0 to 2.5. The emulsion cosmetic contains 0.1 to 25% by mass of the titanium dioxide powder, 0.1 to 5% by mass of disteardimonium hectorite and 0.1 to 8% by mass of a silicone surfactant.

Abstract: An objective of the present invention is to provide an external preparation for concealing roughness that is easy to spread when applied, while also having effects of concealing roughness such as fine wrinkles. The external preparation for concealing roughness of the present invention comprises (a) 1% to 15% by mass of a wax; and (b) 4% to 25% by mass of a non-spherical powder; and has a viscosity of 50,000 to 150,000 mPa·s.

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: 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: A cosmetic having high portability including a liquid cosmetic impregnated in an impregnated body is provided, which is excellent in usability and cosmetic effects while keeping an ultraviolet light protection factor (SPF). A liquid cosmetic including an (A) ultraviolet light absorber in an amount of 1 to 10 mass %, and a (B) ultraviolet light scattering agent and a pigment grade titanium dioxide in an amount of 10 to 25 mass % is impregnated in an impregnated body. The liquid cosmetic is taken from the impregnated body by a finger or an applicator to be applied to the skin.

Abstract: An elastomer improves the feel of inorganic powder on the skin. An emulsion cosmetic is characterized by containing: (A) 0.5-20 mass % of an inorganic powder having an elastomer coating layer containing (a1) and (a2); and (B) 20-80 mass % of an oil component. The elastomer is characterized by comprising: (a1) a silicone polymer having an amino group; and (a2) a carboxyl group-containing silicone polymer or a carboxyl group-containing acrylic polymer, wherein the molar ratio of the amino group to the carboxyl group, Y/X is in the range of 0.1-1.2 (Y is the molar amount of the carboxyl group contained in the component (a2), and X is the molar amount of the amino group contained in the component (a1)).

Abstract: An emulsion cosmetic maintains a concealing ability, allows light in a long wavelength region to transmit efficiently (i.e., an excellent red light selective transmit function), is spread easily, wherein a powder likeness cannot be felt upon use, and provides a natural finish when applied onto the skin. A titanium dioxide powder therefore is composed of particles having an apparent average particle diameter of 100 nm or more and less than 500 nm, an average crystallite diameter of 15 to 30 nm as measured by a X-ray diffraction method and a specific surface area of 10 to 30 m2/g, and each has a shape with radially projected needle-like projections are coagulated, and has a ratio of a longer axis to a shorter axis (i.e., a (longer axis)/(shorter axis) ratio) in the shape of 1.0 to 2.5. The emulsion cosmetic contains 0.1 to 25% by mass of the titanium dioxide powder, 0.1 to 5% by mass of disteardimonium hectorite and 0.1 to 8% by mass of a silicone surfactant.