Provided is a novel plant-derived collagen production promoter having an excellent collagen production promoting action. The invention comprises an extract from the plant Peucedanum japonicum Thunb. belonging to the Peucedanum L. genus of the Umbelliferae family, or from an organic solvent or water-containing organic solvent thereof.本發明提供一種具有優異之膠原蛋白產生促進作用的源自新的植物之膠原蛋白產生促進劑。本發明之膠原蛋白產生促進劑係包含屬於傘形科(Umbelliferae)前胡屬(Peucedanum L.)之日本前胡(Peucedanum japonicum Thunb.)之植物體，或其利用有機溶劑或含水有機溶劑所得之萃取物。
