GHK-Cu for Skin and Anti-Aging: Hype vs. Evidence
Last updated: June 10, 2026 Quick Answer: GHK-Cu (copper peptide GHK-Cu) is a naturally occurring tripeptide that declines with age and has demonstrated real, measurable effects on skin repair, collagen production, and inflammation in clinical studies. Topical GHK-Cu products have shown meaningful improvements in skin texture, elasticity, and thickness in controlled trials. However, most supporting…