Glutathiones antioxidant properties help combat this stress, potentially offering protective benefits to both the mother and the fetus
A scientific review of four small-scale studies confirmed that glutathione use does result in some skin lightening.24 Additionally, glutathione has also been shown to decrease psoriasis when levels are bolstered by intake of whey protein, which contains glutamylcysteine, a precursor to GSH.25 Most impressively, perhaps the same studies mentioned above also show that glutathione doesn't just lighten, but it improves skin elasticity and decreases wrinkles' appearance
When cell turnover slows with age or when dead cells build up on the surface, the complexion can look dull, regardless of pigment levels
Spectrochim Acta Part A Mol Biomol Spectrosc 308:123671 Schmidt R, Logan MG, Patty S, Ferracane JL, Pfeifer CS, Kendall AJ (2023) Thiol quantification using colorimetric thiol-disulfide exchange in nonaqueous solvents
Myint, M
This also explains where Retinol sits in the retinoid family