PROBLEM TO BE SOLVED: To provide a foamy hair cosmetic stock solution for forming a foamy hair cosmetic capable of holding and maintaining a hair style while giving a natural finish feeling and elasticity to the hair.SOLUTION: There is provided a foamy hair cosmetic stock solution which contains a higher fatty acid anionic surfactant (A) comprising a higher fatty acid anionic surfactant (A-1) of a linear saturated fatty acid having 14 carbon atoms and a higher fatty acid anionic surfactant (A-2) of a linear saturated fatty acid having 15 to 18 carbon atoms, wherein the total of the mass% of the (A-1) in terms of the linear saturated fatty acid having 14 carbon atoms and the mass% of the (A-2) in terms of the linear saturated fatty acid having 15 to 18 carbon atoms in 100 mass% of the stock solution is 1 to 10 mass%, and the ratio between the mass of the (A-1) in terms of the linear saturated fatty acid having 14 carbon atoms and the mass of the (A-2) in terms of the linear saturated fatty acid having 15 to 18 carbon atoms is 5:1 to 1:2.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】毛髪に自然な仕上がり感と弾力とを与えつつ、ヘアスタイルを保持および維持することができるフォーム状毛髪化粧料を形成するフォーム状毛髪化粧料原液を提供すること。【解決手段】炭素数14の直鎖状飽和脂肪酸の高級脂肪酸アニオン界面活性剤(A‐1)と、炭素数15~18の直鎖状飽和脂肪酸の高級脂肪酸アニオン界面活性剤(A‐2)とからなる高級脂肪酸アニオン界面活性剤(A)を含むフォーム状毛髪化粧料原液であり、前記原液100質量%中における、前記(A‐1)の炭素数14の直鎖状飽和脂肪酸換算の質量%および前記(A‐2)の炭素数15~18の直鎖状飽和脂肪酸換算の質量%の合計が、1~10質量%であり、前記(A‐1)の炭素数14の直鎖状飽和脂肪酸換算の質量と、前記(A‐2)の炭素数15~18の直鎖状飽和脂肪酸換算の質量との比が、5:1~1:2であるフォーム状毛髪化粧料原液。【選択図】なし
