Peptides vs. Retinol Which is Better For Skin Health? Retinol Vs Peptides Which Is Better? Science Becomes Her Copper Peptide (GHK Cu) 2% Recovery Serum Copper Peptides vs Retinol: Do You Need Both? Nubeean Noosa 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