The authors compile data showing GHK-Cu modulates expression of more than 4,000 human genes including substantial upregulation of antioxidant defense genes, DNA repair genes, and genes encoding collagen and elastin biosynthesis enzymes while downregulating pro-inflammatory and tissue-degradation pathways
Many do not, because the compound quality is unverified, the dose is based on internet research rather than clinical assessment, and there is no baseline, no follow-up, and no protocol adjustment based on individual response
No inference should be drawn regarding human wound healing, tissue repair, therapeutic efficacy, safety, or suitability for any human, cosmetic, wellness, fitness, or veterinary application
Dihydrotestosterone, or DHT, contributes to androgenetic alopecia in genetically susceptible men and women