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The study found faster wound closure rate and a higher percentage of ulcer healing with all three GHK-Cu treatment groups over placebo, however, the 0.3% group demonstrated the fastest closure rate and highest percentage of ulcer healed compared even to the higher 3% strength treatment
Human Hair Count Data A 2016 randomized trial in 45 men with androgenetic alopecia found that a topical complex containing 5-aminolevulinic acid and a GHK peptide increased hair counts by about 5372 hairs per cm over six months, compared with a much smaller change in the placebo group [6]
For psoriasis, topical peptides can deliver high concentrations directly to inflamed plaques without significant systemic exposure
Key Takeaways AHK-Cu and GHK-Cu differ by one amino acid
Hair research
Significant negative symptoms were found in the active treatment group compared to controls but not in positive or general psychopathology [6]
