GHK-Cu works on the follicle itself: it enlarges hair follicle size, strengthens follicles at the structural level reducing the miniaturization that drives androgenetic alopecia and stimulates angiogenesis to improve blood supply to the scalp
It also helps white blood cells to kill bacteria and prevent the oxidation of the vitamins C and E, to prevent stroke and cataract formation
It increased fat-free mass in a two-year study of healthy older adults, but that increase did not result in changes in strength or function. So while a body-composition number moved, the trial did not demonstrate meaningful functional or strength benefit
Cohort studies indicate that patients with TBI who undergo acupuncture treatment experience a lower risk of dementia (Juan et al., 2019), stroke (Shih et al., 2014), and consciousness disorders (Lin et al., 2023), along with fewer emergency and hospital visits (Shih et al., 2013), compared to those who do not receive acupuncture