oxidized glutathione sigma Sigma-Aldrich Peroxidase Cellular Activity Assay Kit, Sufficient for 100 colorimetric tests 1 kit and protection against oxidative stress Glutathione (1500 MG) - Sigma
Description
Tripeptides such as GHK-Cu have an established safety record in topical and cosmetic applications, showing low cytotoxicity and reduced skin irritation compared with other copper compounds, and acceptable tolerability in clinical cosmetic studies [23, 74, 93]

Nat Genet 2002;32:261-6

Pat the skin dry and apply a soothing, hydrating moisturizer to replenish moisture and minimize post-peel dryness

Mild bloating and stomach discomfort at higher doses is occasionally reported
