copper peptides hair growth evidence ghk cu study GHK-Cu Peptide: Regrowth for Thinning & Alopecia Peptide Labz, Copper Peptide Hair
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Although the drug was administered topically, systemic suppression of VEGF occurred, suggesting potential off-target effects beyond the ocular compartment (Sultana and Scondotto 2020)

doi: 10.1152/ajpcell.00038.2002
& Pellegrini, M

This distinction matters enormously for long-term use, where indiscriminate inflammation suppression can compromise immune function and healing capacity

PMCID: PMC8114704