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Peer-reviewed studies have reported GHK-Cu's involvement in collagen synthesis, extracellular matrix remodeling, wound repair acceleration, hair follicle activity, and broad gene expression modulation

He'd fall asleep fine and wake up not quite refreshed, a subtle but persistent shift in sleep architecture

Timeline: High-dose results won't be available until 2028+, well after standard-dose approval

Additional research has explored possible effects on nervous system signaling, oxidative stress responses, and inflammatory regulation

The user may have had a favorable tear pattern, may have combined peptides with physical therapy, may have benefited from factors unrelated to the peptides