can we use glutathione for skin whitening What Is Glutathione's Role in Lightening? Glutathione Skin Lightening - Revivify

Involvement of glutaredoxin-1 and thioredoxin-1 in beta-amyloid toxicity and Alzheimer's disease

Greying can occur because glutathione affects melanin production, while high doses or imbalances may lead to hair thinning, and some people report changes in texture like increased softness

10.3390/ijms23020774 160 YangF.ShangL.WangS.LiuY.RenH.ZhuW.et al (2019)

Heavy or frequent drinking can dramatically reduce glutathione stores, particularly in the liver, as it works overtime to detoxify the byproducts of alcohol

Bowatte G, Lodge CJ, Lowe AJ, Erbas B, Dennekamp M, Marks GB, et al

The molecule is small, cheap to synthesise, and would be difficult to defend commercially