ghk-cu prolongs anagen phase hair growth The Intricacies of Growth: A Journey Through the Four Phases Copper Peptide Hair Growth Conditioner

Another BBB-crossing molecule with HGF-like activity, BB3, was employed in pre-clinical models of stroke, showing good functional improvements (Chaparro et al., 2015)

Investigative potential in: Cellular signaling pathway mapping related to structural integrity and recovery

DOI:10.1155/2020/6805354 3.Knezevic.M, Gojkovic.S, Krezic.I, Zizek.H, Vranes.H, Malekinusic.D,Complex Syndrome of the Complete Occlusion of the End of the Superior Mesenteric Vein, Opposed with the Stable Gastric Pentadecapeptide BPC 157 in Rats

Because B12 is stored in the body, consistent injections help maintain steady energy levels over time

And so thats a really small number of people

But if you just want the fast answer, most research shows GHK-Cu to be the more broadly studied copper peptide for both hair and skin