Some By Mi Yuja Niacin 30 Days Brightening Starter KitEverything for beautiful looking skin in one package. The Some By Mi Yuja Niacin 30 Days Brightening cosmetic set contains not one, but several products that will help you create or enrich your daily beauty routine, and thus make you happy or as a gift for your loved ones. The set includes: brightening serum for problematic skin, acne 10 ml brightening tonic 30 ml brightening night mask 20 g moisturizing gel cream for skin brightening 30 ml