How to Use Rayuon Enlight Glutathione Soap: Wet your face or body with lukewarm water
And both decline with age
Komninou ER, Remiao MH, Lucas CG, Domingues WB, Basso AC, Jornada DS, Deschamps JC, Beck RC, Pohlmann AR, Bordignon V, Seixas FK, Campos VF, Guterres SS, Collares T (2016) Effects of two types of melatonin-loaded nanocapsules with distinct supramolecular structures: polymeric (NC) and lipid-core nanocapsules (LNC) on bovine embryo culture model
doi:10.2147/IJN.S459255
Oral Formulations 8.3.2.1
The honest answer is: it's more interesting than most peptides in this space, the mechanism is real, there's some legitimate clinical evidence and there are also significant gaps in the data that the internet tends to paper over