According to a 2018 review, GHK-Cu as a cosmetic ingredient has demonstrated the ability to:3 Tighten loose skin Reverse age-related skin thinning Repair the skins protective barrier proteins Improve skin firmness and elasticity Reduce the appearance of fine lines and wrinkles Smooth rough skin Stimulate wound healing Lessen the appearance of photodamage (sun damage), hyperpigmentation, skin spots, lesions, and more Reduce inflammation and damage from free radicals Increase hair growth and thickness Additionally, in research from 2015, the authors noted that GHK-Cu may be able to stimulate collagen, regulate the skin remodeling process, attract immune cells to the site of an injury, and restore replicative vitality to fibroblasts (a cell that helps form connective tissue) in patients whove undergone radiation therapy for cancer.2 6 GHK-Cu isnt limited to topical/cosmetic forms, however

NCT03856047 Investigation of Safety and Efficacy of NNC0174-0833 for Weight Management: a Dose Finding Trial
Common dosing ranges In sports medicine and integrative settings, the dosage ranges: Subcutaneous injections : Approximately 200 to 500 mcg per day
Methods (San Diego, Calif.) 114:7484
Preclinical research in murine senescence models has examined FOXO4-DRI for its capacity to reduce senescent cell burden, with observed improvements in physical function, coat density, and renal histology endpoints in aged subjects