If you have to transport it, use a cool pack, not a freezer block, and minimize time out of the fridge
Felician FF, Xia C, Qi W, Xu H
Advanced delivery systems using GHK-Cu in ionic liquid microemulsion achieved hair follicle entry into early growth stages in 6 days versus 8 days for standard GHK-Cu and 9 days for minoxidil, representing approximately 3-fold improved local delivery
because rigorously controlled human safety data specific to the TB-500 fragment does not exist, its longer-term risk profile, including possible immune reactions, remains unknown Evidence snapshot: Evidence for TB-500 itself is preclinical, drawn mainly from cell-culture and animal studies (a 1999 rat wound-healing study and later rodent cardiac- and tendon-injury models), with a 2026 scoping review describing the musculoskeletal literature on thymosin beta-4 and TB-500 as sparse and largely preclinical
Kraus A, Grampp S, Goppelt-Struebe M et al (2016) P2Y2R is a direct target of HIF-1 and mediates secretion-dependent cyst growth of renal cyst-forming epithelial cells
Early GHK-Cu peptide results look most promising when it is combined with therapies like PRP, exosomes, or low-level laser in carefully selected patients