What isn't established is that this translates into the dramatic, precisely-quantified superiority commonly claimed, and what's often left out entirely is that topical GHK-Cu, including our own 1% GHK-Cu Face and Skin Serum, has more, not less, human clinical evidence behind it, plus a regulated supply chain with verifiable manufacturing standards
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They work best when combined with a balanced diet and regular physical activity
RA: Data curation, Formal Analysis, Methodology, Software, Writing original draft
In a Nutshell, Copper peptide GHK-Cu has established itself in skin biology research through many years of studies