[PROBLEMS] To provide a melanogenesis inhibitor that exhibits not only active oxygen eliminating activity but also tyrosinase potency inhibiting activity, being capable of multilaterally inhibiting melanin formation. [MEANS FOR SOLVING PROBLEMS] There are provided a melanogenesis inhibitor comprising a Chinese rose extract; the melanogenesis inhibitor for use as a whitening agent; the melanogenesis inhibitor for use as an external preparation; the melanogenesis inhibitor for use as an internal preparation; the melanogenesis inhibitor for use as an oral medicine; the melanogenesis inhibitor for use as a food; and the melanogenesis inhibitor for use as a beverage.