Gopal Grandhige, MD, FACS, Board-Certified Surgeon Last Reviewed: July 13, 2026 GHK-Cu peptide is used for skin repair, signs of aging, hair support, wound healing, and recovery after cosmetic procedures
MacLean A et al
The results were not performed in parallel and originate from various in vitro assays
doi:10.1007/s00125-017-4318-z [2] Lashen H
*Based on the average weight loss as reported by patients without diabetes who reached and maintained a dose of 2.4 mg/week of GLP-1 treatment, along with a reduced-calorie diet and increased physical activity
Glutathione skin whitening injections work by inhibiting the production of melanin, the pigment responsible for skin darkening