sinha et al. 2018 liposomal glutathione for Skin Care sinha et al 2018 liposomal

The characteristics of glutathione are the following: (a) discovered by Hopkins in 1921 [67], (b) synthesized intracellularly by glutamate-cysteine ligase and glutathione synthetase [68], (c) exists in reduced (GSH) and oxidized (GSSG) forms, maintaining cellular redox balance [69], (d) functions in melanogenesis inhibition through tyrosinase suppression and pheomelanin synthesis [70], and (e) oral bioavailability is enhanced through liposomal formulations, S -acetyl derivatives, or co-administration with precursors [71]

The following example shows a selective synthesis of the dipeptide Ala-Gly

and Inn

3) Storage Store the mixed vial in the refrigerator (28C) and protect it from light