In keratinocytes, GHK-Cu has been shown to downregulate inflammatory cytokine production in response to challenge including IL-1, TNF-, and IL-6, the inflammatory mediators most associated with the chronic scalp inflammation seen in androgenetic alopecia.4 In fibroblasts, GHK-Cu stimulates collagen and elastin synthesis, supporting the structural matrix that follicles depend on for anchoring and nutrient supply
For skin brightening, some protocols suggest 2-3 injections per week for 1-3 months
2020 Sep 24;9(10)
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Jenner P, Dexter DT, Sian J, Schapira AH, Marsden CD
These free radicals can be neutralized by antioxidants