Kate Somerville RetAsphere Micro Peel Leave this Kate Somerville RetAsphere Micro Peel ($90) on overnight and wake up to smoother, younger-looking skin. It includes retinol (to tackle fine lines and dark spots) and a blend of glycolic and lactic acids (to resurface skin), all while you're sleeping. Image Source: sephora.com Kate Somerville RetAsphere Micro Peel $90 from sephora.com Buy Now