Women with a history of copper sensitivity or who take high-dose zinc supplements (which compete with copper absorption) should track copper status if using injectable GHK-Cu for extended periods
Copper Amino Isolate Serum 3 1:1 is a foundational copper peptide (1% GHK and 1% GHK-Cu) serum to restore the look of optimal, healthy skin
PubMed Rahaman, K.A., Muresan, A.R., Min, H., Son, J., Han, H., Kang, M., & Kwon, O
Another topic of interest regarding glutathione is its potential effect on lightening skin tone
Enhanced Antioxidant Protection By neutralizing free radicals, glutathione protects cells from damage that can contribute to chronic diseases
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