The invention provides use of astaxanthin, which is for manufacturing of a preparation for promotion of collagen production. Within the scope of the invention also provides use of astaxanthin, which is for manufacturing of a preparation for treatment and/or prevention of light damage to skin.本發明提出一種蝦紅素用於製備促進膠原蛋白生成之製劑的用途。於本發明的揭露範圍內,另提出一種蝦紅素用於製備治療及/或預防皮膚光傷害之製劑的用途。無