The COSRX The Brightening Skin Duo combines two targeted formulas designed to visibly refine, hydrate and enhance the look of skin’s radiance. Together, they layer lightweight textures and concentrated actives for a visibly smoother, more even finish. Set Contents: COSRX Advanced Snail 92 All in One Cream 100ml A fast-absorbing jelly cream enriched with 92% snail secretion filtrate to help hydrate, soften and improve the appearance of skin texture. COSRX The Niacinamide 15 Serum 20ml A concentrated serum with 15% niacinamide, zinc PCA and acetylglucosamine to help refine the look of pores and uneven tone while supporting skin’s natural clarity.