oral melanotic macule on lip macule. Benign. Dark spot labia (or lip). Analogous to lentigo simplex. Hyperpigmented basal keratinocytes & dermal melanophages. Slight ⬆️ in single basal melanocytes; NO nests. More info like this in Freckle on Lip: Meaning, Causes

In the structure of the GST-glutathione complex, two conserved water molecules are observed, one of which hydrogen bonds directly to the sulphur atom of glutathione and the other forms hydrogen bonds with residues around the glutathione-binding site

Interestingly, mice lacking in AQP3 have dry and less elastic skin that can be fully corrected with glycerin

The early research didnt find the remarkable growth of plasma level after replenishing L-Glutathione Reduced, Reduced Glutathione and considered that L-Glutathione Reduced, Reduced Glutathione had no oral bioavailability

Hair Growth researched in connection with the activation of hair follicles, prolongation of the anagen phase, and improvement of microcirculation in the scalp

J Clin Invest (2001) 107:81322