PURPOSE: A hair cosmetic containing an N-acylamino acid and a terpene compound, capable of providing the hair with luster without causing greasiness by synergistic effect.

CONSTITUTION: A hair cosmetic containing 3W30wt%, preferably 5W20wt% N- acylamino acid such as N-myristoylglutamic acid, N-lauroyl N-ethylglycine, etc. or its salt (e.g., Na salt, triethanolamine salt) and 0.1W20wt%, preferably 1.0W 10wt% monoterpene hydrocarbon such as preferably pinene, limonene, myrcene, etc.