PROBLEM TO BE SOLVED: To provide a coat forming composition having enough elasticity to follow skin movement.SOLUTION: A coat forming composition contains a powder with an average surface friction coefficient (MIU) of 0.6 or more, and a coat forming agent.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】皮膚の動きに対応することができる伸縮性を有する被膜形成用組成物を提供する。【解決手段】平均表面摩擦係数(MIU)が0.6以上である粉体と、被膜形成剤とを含む。【選択図】なし