To provide a composition for solid cosmetic preparations that can effectively suppress the occurrence of shininess of a skin surface while having excellent spread and durability, as compared to the conventional art.SOLUTION: A composition for solid cosmetic preparations contains 1-30 mass% of hexagonal boron nitride powder that contains hexagonal boron nitride particles with an aspect ratio of 2.5-10, and has an average particle size of 1-30 μm.SELECTED DRAWING: None【課題】 「のび」や「もち」に優れながら、皮膚表面のテカリの発生を、従来のものに比べて効果的に抑制することが可能な固体化粧品用組成物を提供する。【解決手段】 アスペクト比が2.5~10の六方晶窒化ホウ素粒子を含み、平均粒径が1~30μmである六方晶窒化ホウ素粉末を、1~30質量%含むことを特徴とする、固体化粧品用組成物。【選択図】なし