Not having enough of it is common, especially for people who dont eat meat, like vegetarians or vegans
PubMed Kleinert, M., Sachs, S., Habegger, K.M., Hofmann, S.M., & Mller, T.D
In the scalp, GHK-Cu stimulates follicle activity, promotes a healthier growth environment, reduces inflammation, and supports stronger, thicker hair shafts
Liu S, Tang Y, Shu H et al (2019) Dopamine receptor D2, but not D1, mediates descending dopaminergic pathwayproduced analgesic effect in a trigeminal neuropathic pain mouse model
Liposomal encapsulation produces supplements that have greater bioavailability, better absorption, and won't irritate the gut
GHK-Cu activates this pathway and thereby promotes the transition of hair follicles from the resting phase (telogen) to the active growth phase (anagen)