GHK-Cu peptide serums are available online, but clinical-grade formulations used in professional trichology centres are usually more potent and better regulated.
They may work best together
Rapamycin addresses cellular senescence in the follicle microenvironment by inhibiting mTOR, while GHK-Cu works on Wnt signaling, inflammation, and androgen receptor sensitivity
[DOI] [PMC free article] [PubMed] [Google Scholar] 306.Van Beveren N.J., Schwarz E., Noll R., Guest P.C., Meijer C., de Haan L., Bahn S
Pickarts work, researchers looking to test GHK-Cu in a wound healing context should administer a total GHK-Cu dose of 100200 mg to produce therapeutic actions, though the necessary effective dosage may be even smaller [5]
For patients with absorption issues from bariatric surgery, IBD, celiac, or chronic dehydration, the difference is not subtle