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Yes, for most people with sensitive skin, copper peptides are well-tolerated

Patients with Fitzpatrick IV to VI skin should treat conservatively initially with patch tests because of slightly elevated post-inflammatory hyperpigmentation risk

Key Formulation Factors Concentration and Stability: Look for products that clearly state the concentration of GHK-Cu or copper tripeptide-1

NMR Biomed 25(9):10731087 Simon MS, Arteaga-Henrquez G, Fouad Algendy A et al (2023) Anti-Inflammatory Treatment Efficacy in Major Depressive Disorder: A Systematic Review of Meta-Analyses

10.3389/fcimb.2021.693051 47 WangJ.WangX.JiangM.LangT.WanL.DaiJ

Molecular basis of NMDA receptor functional diversity