A detergent or cleaning agent used to remove dirt; includes products for clothes, dishes, and general cleaning.
洗剤を買い足しておかないと、洗濯ができない。
If we don't buy more detergent, we won't be able to do laundry.
食器用の洗剤は油汚れに強いものが便利だ。
Dish detergent that is strong on grease is convenient.
敏感肌の人は低刺激の洗剤を選ぶとよい。
People with sensitive skin should choose low-irritation detergents.