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PMC 2035923
Final Verdict GHK-Cu copper peptides are scientifically grounded ingredients that support skin repair, collagen production, and overall skin health
Wang Y, Wang M, Yin S et al (2015) NeuroPep: a comprehensive resource of neuropeptides
One of the most common claims is that the amino acid cysteine is in limited supply in the body
The copper ion (Cu) bound to the GHK peptide is essential for activating key enzymes like lysyl oxidase, which stabilizes newly formed collagen and elastin fibers
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