glutathione water drop skin toner Ampoule – SKIN&LAB like texture BEAUTE MELASMA-X GLUTATHIONE WATER DROP

Gastroenterology 144 , 369380 (2013)

A useful way to frame the difference: tretinoin is a top-down instruction that reprograms the epidermis, whereas GHK-Cu is a bottom-up supply of signal and cofactor that helps the dermis rebuild

The GLP-1 receptor activation slows gastric emptying, reduces appetite, and improves insulin secretion

Vit C prevented the death of human dopaminergic neurons following glutamate neuroexcitotoxicity induced by stimulating -amino-3-hydroxy-5-methyl-4-isoxazole propionic acid and metabotropic receptors, and N-methyl-d-aspartate and kainate receptors in in vitro study (Figure 2B) (99, 100)

Xueqiang Z, Yu Z, Wendong L, Shuying F, Jie H