Ghk cu and skin peptides (topical) Skin regeneration and wrinkle reduction Longevity Protocols Exploring the Role of Tripeptides in Wound Healing and Skin Regeneration: A Comprehensive Review 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 GHK Cu Peptides Serum TryDeloura GHK Cu Peptide: Turn Back the Clock Naturally Calibrate Hydration Think of Peptides as the Personal Trainer for your skin cells. While ingredients like Vitamin C brighten and Retinol renews, Peptides are busy behind the scenes sending signals to your skin