This invention discloses that products obtained from liquid culture of Bifidobacterium spp. can be used in the skin whitening, wherein the Bifidobacterium spp. is selected from the group consisting of Bifidobacterium bifidum, Bifidobacteriumlongum subsp. infantis, Bifidobacterium adolescentis, Bifidobacterium boum and Bifidobacterium pseudologum subsp. globosum.本發明揭示經由雙叉桿菌屬物種(Bifidobacterium spp.)的液態培養而得到的產物可被用於皮膚美白,其中該雙叉桿菌屬物種是選自於下列所構成的群組:雙叉型雙叉桿菌(Bifidobacterium bifidum)、長型雙叉桿菌嬰兒型亞種(Bifidobacterium longum subsp. infantis)、青春雙叉桿菌(Bifidobacterium adolescentis)、牛雙叉桿菌(Bifidobacterium boum)以及假長型雙叉桿菌球型亞種(Bifidobacterium pseudologum subsp. globosum)。
