glutathione used for cancer patients The Rockefeller University » Mitochondrial antioxidant found to drive breast metastasis Glutathione - an overview |

[5] Topical GHK-Cu is generally considered well tolerated, yet therapy should be avoided in individuals with a known hypersensitivity to copper peptides or any vehicle component

The human copper-binding peptide GHK-Cu (glycyl-l-histidyl-l-lysine) is a naturally occurring tri-peptide found in human plasma and released from tissues during injury

The formulation in Glutafine appears to use it at a level that balances efficacy with tolerability but if you have reactive skin, always do a patch test on your inner arm for 2448 hours before applying any new active to your face

Antioxidant levels build up in the system over time, so consistency is key