Adding it to the formula not only promotes skin regeneration, but most importantly stabilizes glutathione, ensuring its maximum effectiveness for a long time
doi:10.2147/CCID.S128339 Handog EB, Datuin MS, Singzon IA
Some clinical trials have shown modest, temporary reductions in melanin index with consistent oral use, but reviews of this research describe the effect as inconsistent between studies and dependent on continued use, not a one-time or lasting change
[1] Onset of deficiency may take years to develop
With injections, you bypass that entire process
The Hep3B HCC cell line was p53 deficient and overexpressed c-Met after treatment with HGF