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 Peptides vs Retinol Can You Use Copper Peptides With Retinol? Copper Peptides vs Retinol: Do You Need Both? Nubeean Noosa Alternating tretinoin and GHK Cu (copper peptides) nightly maximizes anti aging benefits while minimizing irritation. , Both are potent but DIFFERENT actives. Tretinoin speeds up cell turnover and GHK Cu Skin Cream Proven Collagen & Anti Aging, $279
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ghk-cu vs tretinoin Ghk Cu Vs Tretinoin For Anti Aging