Ulta Goop  20% Vitamin C + Hyaluronic Acid Glow Serum

goop's 20% Vitamin C + Hyaluronic Acid Glow Serum combines two skin-care powerhouses, L-ascorbic acid (proven in research to be the purest, best-for-skin form of the powerful antioxidant vitamin C) and moisturizing hyaluronic acid (a hydrator that’s naturally present in the body).