ghk-cu copper coordination structure Figure 1 from GHK – Peptide in Skin Remodeling and Anti-Aging ! GHK- Cu in Skin Remodeling Ternary Cu(II) Complex with GHK

Copper peptide cream 70% response rate, vitamin C 50%, tretinoin (retinoic acid) 40%

The signal peptide GHK works in combination with Cu (copper) in the skin and controls the anti-aging factors

How GHK-Cu Compares to Retinoids, Vitamin C, and Other Anti-Aging Ingredients The 1998 head-to-head trial by Abdulghani measured procollagen synthesis side by side, and the copper-binding peptide outperformed both vitamin C and tretinoin

Pickarts data shows that levels drop about 60% by age 60

During our review process, we also evaluated several commercially available GHK-Cu products and research-grade suppliers, including Koi Peptides, for formulation transparency, purity testing, and manufacturing standards

Follow the instructions that appear on the packaging