The present invention relates to a detergent composition capable of achieving both excellent cleaning performance and good care feeling while ensuring good stability without being affected by a use environment that can change in various ways. The following components (A)-(C): (A) Internal olefin sulfonate having 12 to 24 carbon atoms: 1.8% to 20% by mass, (B) Cationic surfactant represented by a specific formula: 0.1% by mass or more and 8% by mass or less, (C) An aliphatic alcohol having 12 or more and 22 or less carbon atoms 1 mass% or more and 20 mass% or less is contained, and the mass ratio of the content of the component (B) and the content of the component (A) ((B)/( A)) is 0.1 or more and 1 or less, and the mass ratio of the content of component (C) to the total content of component (A) and component (B) ((C)/{(A)+ (B)}) is 0.1 or more and 4.5 or less.種々変動し得る使用環境に左右されることなく、良好な安定性を確保しつつ、優れた洗浄性能と良好なケア感とを両立させることのできる洗浄剤組成物に関する。 次の成分(A)~(C): (A)炭素数12以上24以下の内部オレフィンスルホン酸塩 1.8質量%以上20質量%以下、 (B)特定の式で表されるカチオン界面活性剤 0.1質量%以上8質量%以下、 (C)炭素数12以上22以下の脂肪族アルコール 1質量%以上20質量%以下を含有し、成分(B)の含有量と成分(A)の含有量との質量比((B)/(A))が、0.1以上1以下であり、かつ成分(C)の含有量と成分(A)及び成分(B)の合計含有量との質量比((C)/{(A)+(B)})が、0.1以上4.5以下である洗浄剤組成物。