The present invention presents a shampoo composition that has excellent foaming, foam creaminess, and finger combability during rinsing, adds moisture to hair as well as a fresh feeling to a scalp after drying, and also has an excellent temporal stability.The shampoo composition includes 3 to 30 mass% of a taurine salt component (a) of an acylmethyl-β-alanine represented by formula (1),3 to 30 mass% of an amphoteric surfactant component (b) represented by formula (2) or formula (3)0.03 to 3 mass% of a cationized polymer component (c) and37 to 94 mass% of a water component (d),wherein the mass ratio (a)/(b) of the component (a) and the component (b) is 0.2 to 3.wherein R1CO represents a C8-22 acyl group, and M represents an alkali metal, alkanolamine, or basic amino acidwherein R2 represents a C8-22 alkyl group or alkenyl group andwherein R3CO represents a C8-22 acyl group, and n represents 1 to 3.