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Paradoxical insomnia: Some users experience worse sleep at certain doses, particularly when starting too high
Elastin production receives similar stimulation, with research showing a 180% increase in elastin fiber density following treatment with GHK-Cu formulations
Published research on GHK-Cu's broad gene expression effects and anti-inflammatory actions suggests potential indirect benefits for hair through systemic mechanisms reduced inflammatory signaling, improved tissue remodeling capacity, enhanced antioxidant defense (Pickart et al., 2018)
PubMed, doi:10.1016/j.envpol.2017.10.079
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