glutathion wikipedia File:Glutathion.svg Glutathione | C10H17N3O6S | CID

While both are formulated with 0.5% c-PDRN, a proprietary marine growth factor once only available via an injectable, the Dual Effect Ampoule is more focused on firming and reducing the look of fine lines

Ethyl-cellulose rumen-protected methionine enhances performance during the periparturient period and early lactation in Holstein dairy cows

doi:10.1126/science.1250256 Gokce G, Ozsarlak-Sozer G, Oktay G et al (2009) Glutathione depletion by buthionine sulfoximine induces oxidative damage to DNA in organs of rabbits in vivo

1,000 mg of Essential Phospholipids

Genetics, sun exposure, lifestyle and overall oxidative burden influence outcomes

If your skin responds to supplements, you can safely remain on this therapy for as long as you would like pigment to be supressed