Insulin-like growth factor-1 and 2 Renal IGF-1 not only derives from the circulation (mainly synthesized in the liver) but is also locally produced in the kidney [15]
Ascioti AJ, Hofstetter WL, Miller MJ, Rice DC, Swisher SG , Vaporciyan AA, Roth JA, Putnam JB, Smythe WR, Feig BW, Mansfield PF, Pisters PW, Torres MT, Walsh GL
These effects appear to result from GHK-Cu's ability to enhance Schwann cell proliferation and migration while promoting the expression of myelin-associated proteins essential for nerve fiber repair
They can advise whether single-ingredient tretinoin, a compounded formula or careful layering suits you best
Here is how to structure GHK-Cu for ongoing benefits