glutathione for dark skin 7 Spot Serum (30ml) – Cupid numbuzin No.5 Glutathione TXA Dark
Description
This bacteriostatic water is ideal for various laboratory applications where sterile water quality is paramount

doi: 10.1016/J.JAD.2016.09.012

And you dont have to buy a 3 month supply or have a membership fee

[PubMed] [Google Scholar] Tlak Gajger I, Ribari J, Smodi kerl M, Vlaini J, Sikiri P

As with anything you take for your health, though, its a good idea to consult with your healthcare professional, like a Midi clinician, before you go shopping

What is GHK-Cu used for in research
