PROBLEM TO BE SOLVED: To provide an ultraviolet ray shielding agent using scallop shell powder and safe for the skin.SOLUTION: This invention relates to an ultraviolet ray shielding agent that comprises scallop shell powder obtained without firing treatment to a scallop shell and having a specific surface area of 1.5-50 m2/g, and an ultraviolet ray shielding agent that is a stabilized emulsion using the scallop shell powder as an emulsifier.COPYRIGHT: (C)2015,JPO&INPIT【課題】ホタテ貝殻粉体を利用した皮膚に安全な紫外線遮蔽剤の提供。【解決手段】ホタテ貝殻に焼成処理を行うことなく得られた比表面積が1.5~50m2/gであるホタテ貝殻粉体を含む紫外線遮蔽剤およびホタテ貝殻粉体を乳化剤として使用した安定化したエマルションである紫外線遮蔽剤。【選択図】図1
