METHOD FOR DISSOLVING OIL-SOLUBLE DYE AND OIL-SOLUBLE DYE SOLUTION

To provide a method for easily dissolving an oil-soluble dye and to provide an oil-soluble dye solution which is obtained by the method, can be blended in a quasi-drug and can suppress the precipitation of an oil-soluble dye with time.SOLUTION: There is provided an oil-soluble dye solution which can be blended in a quasi-drug and can suppress the precipitation of an oil-soluble dye with time by a method of dissolving an oil-soluble dye using the following component (A) as a solute and the following components (B) and (C) as a solvent: (A) one or two or more oil-soluble dyes selected from the group consisting of Red No.218, Red No. 223 and Orange No. 201, (B) a lower alcohol having 2 and/or 3 carbon atoms, (C) a liquid ester oil.SELECTED DRAWING: None 【課題】油溶性染料を容易に溶解する方法及び当該方法により得られ、医薬部外品に配合でき、かつ油溶性染料の経時的な析出を抑制することを特徴とする油溶性染料溶液を提供する。【解決手段】次の成分（Ａ）を溶質として、成分（Ｂ）及び（Ｃ）を含有する溶媒により溶解する方法により、医薬部外品に配合でき、かつ油溶性染料の経時的な析出を抑制することを特徴とする油溶性染料溶液を得た。（Ａ）赤色２１８号、赤色２２３号及び橙色２０１号からなる群より選択される１種又は２種以上の油溶性染料（Ｂ）炭素数２及び／又は３の低級アルコール（Ｃ）液状エステル油【選択図】なし