Intensive Anti Aging Serum with Copper Peptide(GHK Cu) and Hyaluronic Acid Copper Peptide Serum with 1% GHK Cu peptide, Argireline and Matrixyl 3000 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 Can You Use Copper Peptides With Retinol? There is no definitive answer as to whether retinol vs peptides are better for anti aging. However, there is a lot more research backing retinol as an effective ingredient, while peptides are still Copper Peptide Skincare Routine: How to Layer Peptides Glimmer Goddess