what is glutathione serum used for Vitamin C 35% & Advanced Firm & Brighten Glutathione Super Skin Serum with

They help reduce breakouts, minimize redness, and improve skin tone

NAC (N-Acetyl Cysteine) replenishes glutathione as it can directly scavenge free radicals

Research has shown that L-Glutathione works on skin pigment production by inhibiting tyrosinase, an enzyme involved in producing melanin

Statistical analyses Data are graphed as the mean SD (refer to figure legends for detailed information) and P value were determined by unpaired Students t-test (two-tailed), one-way or 2 way ANOVA using Prism (GraphPad version 9.0.1)

At the same time, both ingredients are targeting melanin through different pathways, which means the brightening effect is compounded