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Contains powerful antioxidant properties that combat premature aging
More than skin deep: cyclic peptides as wound healing and cytoprotective compounds
Glutathione tackles this at a biological level by: Inhibiting tyrosinase activity to slow down melanin production Shifting melanogenesis from eumelanin (darker) to pheomelanin (lighter) Acting as an antioxidant to reduce the oxidative stress that triggers hyperpigmentation A 2025 systematic review in the International Journal of Dermatology confirms that oral glutathione at doses of 250 mg twice daily and 500 mg once daily showed a significant reduction in melanin index compared to placebo, particularly in sun-exposed areas like the face and wrists
However, as we saw in Section 13.1 "Factors Affecting Solution Formation", in these instances the metal undergoes a chemical transformation that cannot be reversed by simply removing the solvent
