Studies by Ziegler et al
And yes, you have to refrigerate them I got 100mg of GHK-Cu in a single vial (a 5mL vial I believe)
Melanocortin-derived tripeptide KPV has anti-inflammatory potential in murine models of inflammatory bowel disease Klaus Kannengiesser1, Christian Maaser, Jan Heidemann, Andreas Luegering, Matthias Ross, Thomas Brzoska, Markus Bohm, Thomas A Luger, Wolfram Domschke, Torsten Kucharzik ~ Review: Int J Mol Sci
Evidence is weaker than minoxidil / finasteride , so we always use it as an add-on , not a replacement
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