Disclosed are a vesicle composition having excellent long-term stability and a cosmetic comprising the vesicle composition. Specifically disclosed are: a vesicle composition characterized by comprising the following components (A) to (C): (A) a cationic surfactant represented by a specific formula, (B) a sterol, and (C) water and a cosmetic comprising the vesicle composition.本發明課題為提供一種隨時間經過的安定性優異的基底組成物及添加其之化妝料。課題解決方法為一種基底組成物,其特徵為含有以下成分(A)~(C):(A)特定化學式所表示之陽離子性界面活性劑、(B)固醇類、(C)水,及添加其之化妝料。
