The present specification discloses a composition comprising an umbel (masterwort, Peucedanum ostruthium) extract as an active ingredient. The composition disclosed in the present specification exhibits the effect of reducing melanogenesis or inhibiting tyrosinase activity by comprising the umbel (masterwort, Peucedanum ostruthium) extract. As a result of the effect, the umbel(masterwort, Peucedanum ostruthium) extract of the present specification can exhibit a whitening effect and thus can be widely used as a whitening composition in the field of pharmaceuticals or cosmetics.
