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Driesen NR, McCarthy G, Bhagwagar Z, Bloch M, Calhoun V, D'Souza DC et al (2013)
We offer raw GHK-Cu for scientific research, as well as its role as the hero ingredient in our multi-peptide serum, AnagenX
A 2025 review by Mortazavi and Mohammadi Vadoud in BioImpacts flagged skin permeability as the main barrier to translating topical GHK-Cu data into clinical outcomes the compound does not reliably penetrate intact skin at concentrations used in topical products
Our team strongly recommends discarding it
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