These are absolute contraindications
By binding two GHK molecules to each copper ion, the reactivity decreases while maintaining biological activity
Daily consistency for at least 48 weeks matters more than chasing one "perfect" dosing hour.
This has not been demonstrated in clinical practice with oral glutathione at standard supplemental doses, but preclinical evidence warrants caution in cancer patients undergoing active treatment [2][5]
For acne scars specifically, we are talking about the flat dark marks (usually brown or red) left after a pimple resolves, not deep pitted scars (which glutathione wouldnt affect since those involve skin texture, not pigment)
Graphical Abstract Similar content being viewed by others Background Ferroptosis, a regulated type of cell death resulting from iron-dependent lipid peroxidation, has been recognized as a crucial mechanism associated with the development of various diseases, including neurodegenerative, cardiovascular, digestive, musculoskeletal, and cancer-related diseases [1]
