Biossance Squalane + 10% Lactic Acid Resurfacing Night Serum
With the optimal pH to exfoliate your skin overnight, the Biossance Squalane + 10% Lactic Acid Resurfacing Night Serum ($62) adds in clover to help its lactic acid work better and limit the effects of environmental stresses like UV rays or pollution. (The squalane's there to make sure skin stays hydrated all the while.)