A hair cosmetic composition comprising components (A) and (B) at a mass ratio of (A) / (B) = 0.66 to 9.0: (A) an organopolysiloxane wherein poly(acylalkyleneimine) segments each having a molecular weight of from 1,200 to 5,500 are bound to an organopolysiloxane segment having a molecular weight of from 7,000 to 100,000, the mass ratio of the both segments is from 35/65 to 60/40, and the organopolysiloxane segment between the above-mentioned bonds has a molecular weight of from 1,300 to 5,500, (B) an organopolysiloxane wherein poly(acylalkyleneimine) segments each having a molecular weight of from 800 to 1,600 are bound to an organopolysiloxane segment having a molecular weight of from 10,000 to 100,000, the mass ratio of the both segments is from 65/35 to 82/18, and the organopolysiloxane segment between the above-mentioned bonds has a molecular weight of from 1,500 to 3,500.
