Abstract: Provided is a means for promoting electron transfer between nanocarbon and other substances. An electron transfer accelerator for nanocarbon comprising a compound having an aromatic ring Skelton.

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: Provided is a monoacylated MEL. A microorganism of the genus Pseudozyma produces monoacylated MEL-B.

Abstract: A method of thickening cosmetics containing a crosslinked water-swellable polymer, or a microgel obtained by pulverizing a hydrophilic compound having gelation ability. The method comprises adding a linear polyacrylic acid or a salt thereof, or a linear poly(2-acrylamido-2-methylpropanesulfonic acid) or a salt thereof, having a weight-average molecular weight of 500,000 to 8,000,000, which has a thread length of 10 mm or less at room temperature when formed into a 1% by mass solution. The method provides cosmetics having an improved viscoelastic ratio, with a rich and full-bodied feeling upon application.

Abstract: Aqueous compositions can be thickened without increasing stringiness, by using polymers of polyacrylic acid, poly(2-acryamide-2-methylpropanesulfonate), or salts thereof, having a weight average molecular weights of 500,000 to 8,000,000 as thickeners. The polymers contain no more than 10 mass % of polymers having a molecular weight of 10,000,00 or more, and/or contain no more than 10 mass % of polymers having more than three times the weight average molecular weight. Aqueous solutions of these polymers exhibit a low degree of stringiness, and are particularly useful as thickeners for cosmetics.

Abstract: Provided is a means for increasing mannosylerythritol lipid (MEL) production efficiency. The present invention is a mannosylerythritol-lipid-producing microorganism transformed with an expression vector having a gene that encodes a lipase under the control of E5Pgap promoter or E5Ptef promoter.

Abstract: Provided is a means for efficiently producing a monoacyl MEL. This means comprises culturing a monoacyl-MEL-producing microorganism in the presence of a surfactant.

Abstract: There is provided a cosmetic which can moisturize the skin and exhibit a beautifying effect in low humidity environments while reducing sticky uncomfortable feelings in high humidity environments or sweaty states.

Abstract: A shape memory resin includes a polymer comprising 64-85 mol % N-alkylacrylamide component, 14-35 mol % acrylic ester component, and 0.01-6 mol % crosslinking component.

Abstract: [Problem] To provide a method and device for anti-aging of skin. The present invention relates to a method and device for anti-aging of skin, comprising application of physical stimulation to the skin of the subject at a vibrational frequency of 60 Hz or lower. [Solution] There are provided a method and device that exhibit a desirable skin anti-aging effect onto the shallow layers such as the epidermis.

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: Provided is a means for promoting electron transfer between nanocarbon and other substances. An electron transfer accelerator for nanocarbon comprising a compound having an aromatic ring skeleton.

Abstract: A cosmetic includes a component (a) and (b): wherein component (a) is a polyacrylic acid or a salt thereof or poly(2-acrylamido-2-methylpropanesulfonic acid) or a salt thereof that has a weight-average molecular weight of 500,000 to 8,000,000, is linear, and has a thread length of 10 mm or less at room temperature when formed into a 1% by mass solution, wherein the thread length is a distance determined by: bringing a round disk having a diameter of about 1 cm uniformly and lightly into contact with a surface of the solution; lowering a container that contains the solution at a velocity of 5 mm/sec, and measuring the distance that the container descended until a thread of the solution is cut, and component (b) is a crosslinked water-swellable polymer having a crosslinking density of 0.01 to 1% by mole, or a microgel obtained by pulverizing a gel consisting of a hydrophilic compound having gelating ability.

Abstract: The invention provides a thick water-based cosmetic which can impart a novel usage feeling The thick water-based cosmetic of the present invention has a viscoelastic ratio of 10 or more and a viscosity of 500 mPa·s or less at a shear rate of 1/s, wherein when concentrated by a factor of five by drying to remove moisture, the thick water-based cosmetic changes to a gel-like form having a viscoelastic ratio of 0.5 or less and a viscosity of 70000 mPa·s or more at a shear rate of 1/s.

Abstract: The invention provides methods of thickening aqueous compositions without increasing stringiness. The method involves using, as thickeners, polymers of polyacrylic acid, poly(2-acryamide-2-methylpropanesulfonate), or salts thereof, having a weight average molecular weight of 500,000-8,000,000. The polymers contain no more than 10 mass % of polymers having a molecular weight of 10,000,00 or more, and/or contain no more than 10 mass % of polymers having more than three times the weight average molecular weight. Aqueous solutions of these polymers have a low degree of stringiness, and are particularly useful as thickeners for cosmetics.

Abstract: The present invention was aimed to provide a low-stringiness thickener consisting of a compound in high demand as a thickener for cosmetics, i.e., polyacrylic acid or a salt thereof, or PAMPS or a salt thereof, where a stringiness property of the compound was reduced. A low-stringiness thickener consisting of a compound selected from polyacrylic acid. a salt of polyacrylic acid, PAMPS, and a salt of PAMPS, wherein the weight-average molecular weight of the compound is 500 thousand to 8 million, and wherein the content of the compound having the molecular weight of 10 million or higher is 10 mass % or less.

Abstract: To provide surface-treating agents that can provide excellent hydrophobicity to powder and can improve its rinsability, to provide surface-treated powders that are treated with the surface-treating agent, and to provide cosmetics that comprise the surface-treated powder. A surface-treating agent consisting of a polymer which comprises a monomer (A) represented by the general formula (1) described below as a constituent monomer. (wherein R1 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, R2 represents an alkylene group having 4 to 22 carbon atoms, X1 represents an —NH— group or an oxygen atom, and M1 represents a hydrogen atom or a monovalent inorganic or organic cation.

Abstract: There are provided a microorganism characterized by producing poly-?-L-glutamate with a molecular weight of 1,300,000 or greater and uniform optical purity under liquid culture conditions, a method of screening for the microorganism, a method of producing poly-?-L-glutamate having large molecular weight by using the microorganism, and poly-?-L-glutamate having an average molecular weight of 1,300,000 or greater. In addition, usages of these are provided.

Abstract: The present invention includes as an active ingredient at least one biosurfactant, in particular mannosyl alditol lipid (such as MEL and MML) or triacylated mannosyl alditol lipid. This allows providing an activator and anti-aging agent that is excellent in activating and anti-aging effects on cells and that is safe enough to be used for a long time, and also providing cosmetics, quasi-drugs, drugs, and drinks and foods including the activator and the anti-aging agent as active ingredients. Further, the present invention provides MEL whose mannosyl erythritol skeleton in a molecular structure is 1-O-?-D-mannopyranosyl-meso-erythritol and a method for producing the MEL with use of a microorganism.

Abstract: To provide surface-treating agents that can provide excellent hydrophobicity to powder and can improve its rinsability, to provide surface-treated powders that are treated with the surface-treating agent, and to provide cosmetics that comprise the surface-treated powder. A surface-treating agent consisting of a polymer which comprises a monomer (A) represented by the general formula (1) described below as a constituent monomer. (wherein R1 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, R2 represents an alkylene group having 4 to 22 carbon atoms, X1 represents an —NH— group or an oxygen atom, and M1 represents a hydrogen atom or a monovalent inorganic or organic cation.