In addition to use on the face, one study of GHK-Cu applied to the skin of the thigh also noted improvement in lines, wrinkles, skin density, and even improvements in mottled pigmentation
USB Chargers: These are convenient for small batteries and can be plugged into USB ports for easy charging
Topical cosmetic guidance only
However, scientific studies have increasingly pointed towards a connection between micronutrient deficiencies, especially Vitamin B12, folic acid, and Vitamin D, and the progression of depigmentation
Preclinical findings do not establish confirmed outcomes in humans
Gastroenterology 148(6):12191233 Camilleri M, Lupianez-Merly C (2024) Effects of GLP-1 and other gut hormone receptors on the gastrointestinal tract and implications in clinical practice