To provide a composition that contains a powder in a dispersed state and diffuses the powder rapidly in water. A composition containing: a lipopeptide-type gelling agent, which comprises a compound represented by formula (1) and/or a pharmaceutically usable salt thereof； water； a fatty acid salt； an acidic low-molecular compound； a surfactant； and a powder. (In the formula, R1 represents a C9-23 aliphatic group； R2 represents a hydrogen atom, or a C1-4 alkyl group optionally having a branched chain of 1 or 2 carbon atoms； and R3 represents a -(CH2)n-X group, where n represents a number from 1 to 4, and X represents an amino group, a guanidino group, a -CONH2 group, or a fused heterocycle configured from a 5-membered ring or 6-membered ring optionally having 1-3 nitrogen atoms or from a 5-membered ring and a 6-membered ring).本發明提供一種在分散粉體的狀態下含有，且在水中可快速地擴散該粉體的組成物。本發明的解決手段為藉由以下組成物而完成，該組成物為含有下述式(1)所示化合物或其藥學上可使用的鹽中至少一種所成的脂質肽型凝膠化劑、水、脂肪酸鹽、酸性低分子化合物、界面活性劑與粉體。(式中，R1表示碳原子數9至23的脂肪族基，R2表示氫原子或具有碳原子數1或者2的分枝鏈之碳原子數1至4的烷基，R3表示-(CH2)n-X基，n表示1至4的數，X表示胺基、胍基、-CONH2基，或1至3個氮原子的5員環或者6員環或由5員環與6員環所構成的縮合雜環)。
