PROBLEM TO BE SOLVED: To provide a base composition for cosmetic for preparing a cosmetic with good feeling of use.SOLUTION: There is prepared the composition by adding thickening polysaccharides so that shear stress and storage modulus of elasticity of the base material for cosmetic become values within a specific range.COPYRIGHT: (C)2013,JPO&INPIT【課題】使用感のよい化粧料を調製するための、化粧料用基礎組成物を提供する。【解決手段】化粧料用基礎組成物のずり応力及び貯蔵弾性率が特定の範囲の値となるように、増粘多糖類を添加して該組成物を調製する。【選択図】 図1