While you sleep, your skin works. Introducing Overnight Rx our prescription grade night treatment formulated with four clinically active ingredients: Tretinoin, Estriol, GHK Cu Copper Peptide, and Niacinamide. Together, they target the signs of Two new treatments, now available Copper Peptide Skin Complex brings prescription grade GHK Cu Acetate to support skin repair and renewal at the cellular level. Lash Growth Serum combines bimatoprost and latanoprost, prescription strength GHK Cu Peptide: Turn Back the Clock Naturally Calibrate Hydration GHK CU Research Peptide Alpha Carbon Labs