glutathione peroxidase type 2 Glutathione peroxidase 4 inhibition induces

Barrea L, Verde L, Camajani E, Cernea S, Frias-Toral E, Lamabadusuriya D, Ceriani F, Savastano S, Colao A, Muscogiuri

Wu YS, Osman AI, Hosny M, Elgarahy AM, Eltaweil AS, Rooney DW, Chen Z, Rahim NS, Sekar M, Gopinath SCB, Rani NNIM, Batumalaie K, Yap P (2024) The toxicity of mercury and its chemical compounds: molecular mechanisms and environmental and human health implications: a comprehensive review

Its called your detoxification system

Current scientific evidence suggests that while glutathione may produce mild skin-lightening effects in some individuals, the results are: Not guaranteed Highly variable Often temporary Dependent on factors such as dosage, treatment duration, skin type, and overall health There is currently no universal scientific evidence proving that glutathione can safely and permanently change a person's natural skin colour