Green Tea Extract (EGCG)
Green Tea Extract (EGCG) — an antioxidant-rich botanical extract derived from the leaves of Camellia sinensis, whose most studied active compound is the polyphenol epigallocatechin gallate (EGCG). Used topically, it is prized for its antioxidant and soothing properties that help calm the look of stressed skin and defend against environmental damage.
Key points
- Green tea extract is a source of catechins, with EGCG being the most abundant and biologically active polyphenol.
- Its antioxidant activity helps neutralize free radicals generated by UV light and pollution.
- Studies indicate it has soothing, skin-calming properties that can help reduce the appearance of redness and irritation.
- It is often included in daytime formulas and can complement sunscreen, though it is not a replacement for SPF.
Frequently asked
What does EGCG do in skincare?
EGCG is the primary polyphenol in green tea and acts as a potent antioxidant that helps protect skin from free radical and environmental damage while soothing the look of irritation.
Is green tea extract good for oily skin?
It is a popular choice for oily and blemish-prone skin because of its soothing, antioxidant benefits, though results vary from person to person.
Related topics
This is a foundational entry in the SYNC Skin Encyclopedia and is expanded over time. Educational information only — not medical advice.

