It is considered an investigational compound and is typically sold by research chemical suppliers under the label for research purposes only
How Iron Shapes Your Skins Oxygen and Nutrient Supply Your skin is your largest organ, and its highly vascular
This makes it a popular choice for those seeking the most direct path to improved energy and mental clarity
(3) Baharak Mahdavifar, Mahdieh Hosseinzadeh, Amin Salehi-Abargouei, Masoud Mirzaei, and Mohammadreza Vafa (2021) Dietary intake of B vitamins and their association with depression, anxiety, and stress symptoms: A cross-sectional, population-based survey Journal of Affective Disorders, 2021 Jun 1, Volume 288, Pages 92-98

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