A hair cosmetic composition comprising fine particles of a crosslinked polymer, which are insoluble in water and ethanol and do not form a film at normal temperature, is disclosed. A conventionally known film-forming polymer may also be formulated optionally. The hair cosmetic is free from stiffness, stickiness, or excessive gloss imparted to the hair which are the defects of conventional hair cosmetics using only conventional film-forming polymers, and provides excellent hair conditioning and hair-resetting effects.