Abstract: Elements are made of a polyacetal resin, which can effectively improve the chain crosswise strength while maintaining wear resistance. Provided is a fastener element made of a polyacetal resin composition containing 5 to 30% by mass of reinforcing fibers each having an average fiber diameter of 5 to 15 ?m and a numeric average fiber length of 150 to 500 ?m.

Abstract: Elements are made of a polyacetal resin, which can effectively improve the chain crosswise strength while maintaining wear resistance. Provided is a fastener element made of a polyacetal resin composition containing 5 to 30% by mass of reinforcing fibers each having an average fiber diameter of 5 to 15 ?m and a numeric average fiber length of 150 to 500 ?m.

Abstract: Provided is a compound that exhibits an excellent melanogenesis-inhibiting effect (skin-lightening effect), exhibits an excellent antimicrobial effect, excels in terms of temporal stability and the like, and is suitable for use as an ingredient of a cosmetic. Said compound is a propyl-phenyl-ether derivative compound comprising a propyl group that has a substituent such as a hydroxyl group and is bound to the hydroxyl group of a phenol group that has a substituent such as a tert-butyl group. A melanogenesis inhibitor, skin-lightening agent, and antimicrobial agent containing the aforementioned compound as an active ingredient are also provided, as is a cosmetic characterized by containing said compound.

Abstract: A cosmetic base material composed of a peptide or peptide derivative having one or more acidic amino acid as the constituent amino acid and in which at least some of anionic functional groups thereof form an ion complex with at least one surfactant selected from the group consisting of cationic surfactants and ampholytic surfactants.

Abstract: The object is to provide a novel use application of a dental pulp stem cell collected from a deciduous tooth or a permanent tooth. Disclosed is a composition for autotransplantation or allotransplantation, which is characterized by comprising a dental pulp stem cell collected from a deciduous tooth or a permanent tooth.

Abstract: An anticoagulant for blood cell counting containing at least two kinds of the following antiplatelet agents: theophyllines, adenosines and dipyridamoles. The anticoagulant also contains citric acid, an alkali metal salt thereof or a mixture of citric acid and an alkali metal salt thereof.