Clinical trials on skin have demonstrated improvements: In one study, GHK-Cu applied to photoaged skin for 12 weeks increased density and thickness while reducing laxity and wrinkles in 71 women
However, no controlled conditions (placebo effects, natural healing, concurrent treatments confound results)
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Other Factors to Consider Underlying Health Conditions: Conditions like diabetes, heart disease, and obesity can cause ED independently of medication
Histological analysis further supported these behavioral findings, showing partial restoration of tyrosine hydroxylase staining in the substantia nigra of Dihexa-treated animals, indicative of neuronal protection and recovery [2]