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Loren Pickart in 1973, GHK-Cu was discovered when Pickart observed that albumin from young donors (age 20-25) could stimulate aged liver tissue to synthesize proteins at a youthful rate, and the active factor was traced to this small copper peptide
Sleep enables tissue repair
Cell migration and fibroblast assays Relevant to fibroblast and tissue-model experiments
Zinc Oxide adds a mineral layer with a soothing effect on skin
That said, some research has examined them together particularly research at the intersection of stress and cognition, where both anxiolytic and nootropic mechanisms are relevant
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