GHK-Cu is the ingredient contained within the topical copper peptides that have been available in beauty clinics for forty years, the main caveat being that topical GHK-Cu must successfully penetrate the stratum corneum to access the dermis
BPC-157 is a pentadecapeptide derived from the stomach that operates via an intricate network of cytoprotection and angiogenesis mechanisms, including VEGFR2, NO-eNOS signaling, FAK-paxillin interaction and others, with its most solid data being derived from gastrointestinal, tendon, ligament, bone, and increasingly neural studies
Signs that suggest possible contamination include cloudiness, visible particulates, color change, or unusual odor, but absence of these signs does not confirm sterility
These measures counterbalance the mild stimulatory effect