glutathione vs kojic Acid Glutathione: Which is Best for Skin Whitening? Kojic Acid or Alpha Arbutin:

however, increased ROS is associated with the progression and onset of aging [17]

It also supports a brighter, more even skin tone by balancing melanin production

Glutathione reductase (GR) reduces glutathione disulfide (GSSG) and drives the GSH-dependent systems [7,8], whereas Trx reductases (TrxR) are pivotal in the Trx-dependent system (Figure 1) [9]

So rather than focusing on the label alone, its more useful to look at the full picture

"Nutritional folate status influences the efficacy and toxicity of chemotherapy in rats"

In one 12-week study, 124 women with at least one facial dark spot were given L-glutathione or L-cysteine, or both (or placebo), each day