ghk-cu injectable side effects dry lips PSA] Finally, a Dr. explains the mechanism behind the "copper uglies" : r/SkincareAddiction GHK-Cu Peptides Before and After:

In one of the four SCLC tumour tissues (25%) screened, preferential c-MET overexpression and activation of p-MET (both the phosphoepitopes pY1003 and pY1230/1234/1235) along the tumour expanding invasive front were identified (Figures 5A and B)

Stimulation of collagen synthesis in fibroblast cultures by the tripeptide-copper complex glycyl-L-histidyl-L-lysine-Cu2+

10.1007/s10787-017-0323-6 76 MihovilI.RadicB.BrcicL.BrcicI.VukojaI.IlicS.et al (2009)

GHK-Cu works through multiple mechanisms

You can read the full article at Major depressive disorder: mechanism-based prescribing for personalized medicine Depression is a highly prevalent psychiatric disorder that causes significant disability worldwide