That does not mean it is useless
Wu G, Lupton JR, Turner ND, Fang YZ, Yang S
Brain-derived neurotrophic factor (BDNF) is important for neurogenesis, and various depressive symptoms arise from decreased BDNF levels (Sahay and Hen, 2007)
So simple and if I have questions they are quick to answer
Our Glutathione Face Wash uses a sulfate-free, pH-balanced formulation that removes what shouldn't be there (pollution, oxidative debris, excess sebum) while preserving what should (your skin's acid mantle, natural ceramides, and moisture)
Worth knowing: most of the published evidence is on the full thymosin beta-4 protein, not on this seven-amino-acid fragment