Abstract: The present disclosure improves the accuracy of blood flow assessment. According to one embodiment of the present invention, a blood flow assessment device has: a measurement part configured to measure skin temperatures at a plurality of locations on a face of a user; a calculation part configured to calculate a variation of the skin temperatures at the plurality of locations; and a blood flow assessment part configured to assess a blood flow of the user based on the variation.

Abstract: The present invention provides a cosmetic method having an excellent roughness correction effect and easily removing makeup cosmetic and sun care cosmetic. The cosmetic method of the present invention has a step of pasting the base material film surface of a thin film on the skin, a step of removing the support body of the pasted thin film, a step of applying a makeup cosmetic and/or a sun care cosmetic on the skin, wherein the thin film consists of a base material film of the thickness of 10 to 500 nm and a support body.

Abstract: The present invention provides a cosmetic method having an excellent secondary adhesion resistance effect. The cosmetic method of the present invention has a step of applying a cosmetic material on the skin, a step of pasting the base material film surface of a thin film on the skin, and a step of removing the support body of the pasted thin film, wherein the thin film consists of a base material film of the thickness of 10 to 500 nm and a support body.