Kao Patente

The present invention provides a method for producing a decolorized internal olefin sulfonate composition having a low odor, and good storage stability. A method for producing a decolorized internal olefin sulfonate composition of the present invention includes a decolorizing process (A) of performing an adjusting step (a1) of adjusting a concentration of an alkali compound in a system in which an internal olefin sulfonate composition containing an internal olefin sulfonate is present and a mixing step (a2) of mixing a decolorizing agent and the internal olefin sulfonate composition present in the system. The adjusting step (a1) is a step of adjusting the concentration of the alkali compound in the decolorizing process (A) so that the concentration of the alkali compound after mixing the decolorizing agent and the internal olefin sulfonate composition present in the system is 0.004 mmol or more and 0.26 mmol or less with respect to 1 g of the internal olefin sulfonate.

An information processing system comprises a control unit. The control unit generates a machine learning model by using training data, the training data being skin class information that is generated by analyzing biological information of multiple users provided by the multiple users and that classifies skins of the multiple users, the machine learning model estimating a skin class of the user from at least one of skeletal feature information or skin color information obtained by analyzing face images of the multiple users, the skeletal feature information indicating features of facial skeleton of the multiple users, the skin color information indicating features of skin colors of the multiple users. The control unit then receives an input of a face image of a user, analyzes the received face image to obtain at least one of the skeletal feature information or the skin color information, and outputs skin class information estimated from at least one of the obtained skeletal feature information or skin color information by using the machine learning model.

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A sunscreen cosmetic which has an excellent ultraviolet protection effect, gives favorable feel upon application, and is stable without crystallization. The present invention relates to a sunscreen cosmetic comprising the following components (A), (B), and (C), wherein a mass ratio of a component (A1) to a component (A2), (A1)/(A2), is 3.5 or more and 120 or less, a mass ratio of the component (B) to a total amount of the component (A1) and the component (A2), (B)/(A1)+(A2)), is 2.7 or more and 9 or less, and a mass ratio of a component (B1) to the component (A), (B1)/(A), is less than 1: (A) 10% by mass or more and 20% by mass or less of a water-insoluble organic ultraviolet absorber which is in a solid state at 25°C, the water-insoluble organic ultraviolet absorber comprising (A1) ethylhexyl triazone and (A2) bis-ethylhexyloxyphenol methoxy triazine, (B) 12% by mass or more and 40% by mass or less of an oil agent which is in a liquid state at 25°C, the oil agent comprising (B1) a water-insoluble organic ultraviolet absorber which is in a liquid state at 25°C, and (C) 48% by mass or more and 78% by mass or less of ethanol.

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A toner for electrostatic image development containing a crystalline polyester resin C and an amorphous polyester resin A, wherein the crystalline polyester resin C is a polycondensate of an alcohol component containing ethylene glycol in an amount of 70% by mol or more and a carboxylic acid component containing an aliphatic dicarboxylic acid compound, the alcohol component and/or the carboxylic acid component contains a monofunctional monomer, the amorphous polyester resin A is a polycondensate of an alcohol component and a carboxylic acid component and a polyethylene terephthalate. The toner for electrostatic image development of the present invention is suitably used in the development and the like of latent images formed in electrophotography, electrostatic recording method, electrostatic printing method and the like.

Provided is a soil improving agent composition containing cellulose derivative-bearing particles in which water-insoluble particles (component (A)) bear particles of a cellulose derivative (component (B)) on their surface.

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There is provided a composite sheet in which metal organic frameworks are supported in a sheet base material formed of fibers, the composite sheet having high gas adsorption performance. In the composite sheet, metal organic frameworks are dispersed in a sheet base material formed of fibers. The metal organic frameworks are supported on surfaces of the fibers. After the heat treatment, a ratio of a mass of the metal organic frameworks to a mass of the entire composite sheet is 80 mass% or more. One fiber forming a central region of the composite sheet in a thickness direction has a surface coverage by the metal organic frameworks of 60% or more. A surface exposure ratio of the metal organic frameworks is 50% or more.

[Object] To evaluate suitability of a topical skin preparation with a sunscreen effect for a skin of a user.[Solving Means] An evaluation method includes: obtaining reflection light of UV light radiated to a skin of a user to which a topical skin preparation with a sunscreen effect is applied with UV light; estimating a UV protection value of the topical skin preparation with a sunscreen effect for the skin of the user on the basis of the reflection light; and evaluating suitability of the topical skin preparation with a sunscreen effect for the skin of the user by using the UV protection value.

An estimation method includes acquiring skin condition indicators indicating skin characteristics of a user and estimating, by using the acquired skin condition indicators, a formation state of a coating film of a composition when assuming that a predetermined composition is applied to a skin of the user.

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