6 weeks: 2 mL used
Though GHK-Cu is naturally blue in color, topical products at concentrations typically used (up to 3%) are generally not noted to cause staining of the skin
If this doesn't bring improvements, I'll then try nasal drops (Gambit62 - who had similar problems - recently wrote in a post that she didn't start to improve until she started using the nose drops)
In one rabbit study, it improved wound contraction and formation of granular tissue, boosted antioxidant enzymes, and stimulated blood vessel development and growth
Call 999 for severe breathing difficulty, collapse, signs of a serious allergic reaction or another medical emergency
It was reported that it could raise intracellular GSH by increasing SLC7A11 expression, efficiently leading to GPX4 enhancement and ferroptosis suppression in the ISO-induced injury model of H9C2 cells and rat myocardium [49]