A promising antioxidant, though topical research remains more limited than for vitamin C or vitamin E.
Clinical evidence
Not yet rated
Effectiveness (provisional)
3 out of 5
Typical concentration
—
Suitable for
All skin types.
How often
—
Primary benefits
Antioxidant protection
Brightening
Helps reduce oxidative stress
What it does
Glutathione is naturally produced by the body and plays a central role in protecting cells from oxidative damage. Topically, it is primarily studied for its antioxidant activity and potential brightening effects.