Breaking: more people are starting to explore copper peptides over retinol Not because retinol is bad but because people are beginning to understand how different ingredients actually work. GHK Cu is something your GHK Cu vs AHK Cu: Which Copper Peptide Is More Effective? Retinol vs. GHK Cu Two key ingredients used to address visible signs of ageing. Retinol A popular synthetic molecule that accelerates cellular turnover and skin resurfacing, helping to promote even skin Copper Peptides vs Retinol: Do You Need Both? Nubeean Noosa Copper Peptides vs Retinol Can You Use Copper Peptides With Retinol?