Look for serums that contain 10% to 20% vitamin C, says Morgan Rabach, MD, a board-certified dermatologist in New York City
GHK-Cu and Wound Healing Studies in rabbits report that GHK-Cu has been tested regarding its potential in wound healing and laser exposure at different intensities

3 Works cited FDA clarifies policies for compounders as national GLP-1 supply begins to stabilize, accessed February 2, 2026, Semaglutide Shortage Resolved McDermott Will & Schulte, accessed February 2, 2026, GLP-1 Update: Court Backs FDA in Tirzepatide Compounding Case, accessed February 2, 2026, The Return of 503B Compounding of GLP-1 Medications Frier Levitt, accessed February 2, 2026, The Strategic Imperative of Pharmaceutical Competitor Analysis: A Comprehensive Guide for 2026 and Beyond DrugPatentWatch, accessed February 2, 2026, Maximizing ROI on Drug Development by Monitoring Competitive Patent Portfolios, accessed February 2, 2026, Compounded Drug Products That Are Essentially Copies of Approved Drug Products Under Section 503B of the Federal Food, Drug, and Cosmetic Act FDA, accessed February 2, 2026, GLP-1 Weight-Loss Drugs Off Shortage List

These prescription medicines can influence appetite signaling, feelings of fullness, stomach emptying, and glucose-dependent insulin activity