Glutathione
Tripeptide of glutamate, cysteine and glycine – key intracellular antioxidant. In cosmetics it promises skin brightening through tyrosinase inhibition and a switch in melanin synthesis.
BrighteningAnti-aging
Evidence by route
Topical application
CWeak evidence. In vitro data, open-label studies, or expert consensus.
Topical brightening data come from small Asian studies. The molecule penetrates the stratum corneum poorly, the oxidized GSSG form works better than the reduced one.
Tolerability and safety
Irritation potential
LowAllergen risk
LowPregnancy
CautionSkin types
Suitable for
NormalDryOilyCombination
Use with caution
Sensitive
Frequently asked questions
Is Glutathione safe during pregnancy?
Glutathione should be used with caution during pregnancy. Consulting a dermatologist or OB-GYN is advisable.
What skin types is Glutathione for?
Glutathione suits: normal, dry, oily, combination. Use with caution in: sensitive.