GHK-Cu is one of the most extensively characterized signaling peptides in human biology, modulating over 4,000 genes including upregulation of tissue repair, collagen synthesis, and antioxidant defense pathways, while downregulating inflammatory and cellular senescence-associated genes
Thats exactly why the buzz around Glutafine Face Wash caught my attention
Free Radic Res 31:525534 Upadhyaya CP, Venkatesh J, Gururani MA, Asnin L, Sharma K, Ajappala H, Park SW (2011) Transgenic potato overproducing L-ascorbic acid resisted an increase in methylglyoxal under salinity stress via maintaining higher reduced glutathione level and glyoxalase enzyme activity
References Dennis A, Wamil M, Alberts J, Oben J, Cuthbertson DJ, Wootton D, et al
So I had like a shadow on it
Less common: Nausea, dizziness, or headache