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Hyaluronic acid-based aqueous serums are the most common, as they ensure good solubility of the copper complex and optimal penetration
Post-breakout dryness and irritation
Because of its unique molecular structure and extensive scientific literature, GHK-Cu has become one of the most extensively investigated copper peptides in molecular biology and peptide research
The indicated P value was calculated via the previously described two-tailed, unpaired Welchs t-test
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