Use of Toona Sinensis extract for whitening composition is disclosed. The use of Toona Sinensis extract in accordance with the present invention can inhibit the synthesis and/or the transfer of melanin and thereby provides high efficacy for skin whitening.一種香椿萃取物作為美白組合物之用途。依據本發明之香椿萃取物可抑制黑色素(melanin)的生成及/或轉移,以提供良好的美白功效。S10~S70...步驟