PMID: 18025815
When in doubt, discard and reorder
The best serum for skin whitening is one that combines glutathione with complementary brightening ingredients such as Vitamin C, niacinamide, kojic acid, or hyaluronic acid
Do not forget to use sunscreen during the day to save the progress made by your skin and keep realistic expectations
Alternatively, the more supported hypothesis is that there could be hyper-responsivity of the cholinergic receptors at a hypothalamic level, causing a greater decrease in somatostatin tone, and elevated GH release from the anterior pituitary gland (153)
GHK-Cu is studied for its association with improved skin elasticity, reduced appearance of fine lines, and support for skin recovery after procedures like laser treatment or microneedling