FDA warns against its use, saying that very restrictive diets, such as the hCG diet, are dangerous
Chang CH, Tsai WC, Hsu YH, Pang JHS
GHK-Cu is able to: Tighten loose skin and reverse thinning of aged skin,Repair protective skin barrier proteins,Improve skin firmness, elasticity, Reduce fine lines depth of wrinkles, and improve the structure of aged skin,Reduce photodamage, mottled hyperpigmentation, skin spots and lesions;Improve overall skin appearance;Stimulate wound healing,Protect skin cells from UV radiation,Reduce inflammation and free radical damage;Increase hair growth and thickness, enlarge hair follicle size
Studies have shown that side effects, including liver functional disorder and leukopenia, occur after taking allopurinol for a long time