Tone and brightness
Glutathione
An antioxidant your body makes, used topically in brightening formulas.
- What it is
- A small protein-like molecule the body makes from three amino acids; skincare uses a purified form.
- What it does
- Used in pads, serums and toners for uneven tone and a brighter look, often paired with vitamin C.
- How often
- Daily in most toners, serums, eye creams and creams; stronger serums, some pads and masks follow their own schedule.
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