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It also increases subjective perception of discomfort

Strengthened Skin Barrier GHK-Cu reinforces the skin barrier by promoting the synthesis of structural proteins and lipids, protecting against moisture loss and environmental damage

Microcirculation 25 (7), e12492

Available online at: (Accessed December 28, 2023)

Record retention and archival All the study documents including participants source data and documents will be archived by the study sites after the completion of the study, until the time the sponsor informs in writing to the study sites that they no longer need to maintain the study documents

This unique approach makes it highly effective in improving cognitive function