It's not a substitute for daily broad-spectrum SPF nothing is but it works powerfully alongside sun protection as a restorative agent for the damage already done and a preventive agent against future deterioration
Is a glutathione push safe
In addition, it can be converted to its extremely toxic metabolite NAPQI by the cytochrome P450 (CYP)2E1 enzyme
To confirm the lack of interferents in the N-Hcy-Lys peak we have also analyzed samples of standard solution of several medicinal substances containing a thiol group or a disulfide bound in their structure
For example, patients may continue using retinoids, antioxidants, or hair growth medications alongside peptides
Bocedi, A., et al., Glutathione Transferase P1-1 an Enzyme Useful in Biomedicine and as Biomarker in Clinical Practice and in Environmental Pollution