A detergent composition contains (A) a fatty acid having 8 to 24 carbon atoms or a salt thereof, (B) a taurine derivative or a salt thereof, and (C) a glycerin derivative. The molar ratio of the component (A) to the component (B) is 0.5 mol to 2 mol of the component (B) per 1 mol of the component (A).本發明的洗淨劑組成物含有(A)碳數8至24的脂肪酸或其鹽、(B)牛磺酸衍生物或其鹽與(C)甘油衍生物。成分(A)與成分(B)的草耳比為,相對於成分(A)1莫耳,成分(B)為0.5莫耳至2莫耳。