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Green tea Explained

EGCG · Camellia sinensis

Green tea is an antioxidant that helps calm oily, blemish-prone skin; a small split-face trial showed fewer acne lesions in 8 weeks.

Evidence: moderate

Label names (INCI): Camellia Sinensis Leaf Extract, Camellia Sinensis Leaf Water, Epigallocatechin Gallate

Written by the Oliareen editorial teamDermatologist review: pendingHow we write

What it does

Catechins neutralise free radicals, reduce UV-triggered inflammation and lower sebum output in oil-gland cells.

Often discussed for

This doesn't mean everyone with these needs it.

Concerns

Skin types

How to approach it

If you're new to it

Start one new product at a time and patch test first: a little on the side of the jaw for a few days. Keep the rest of the routine simple.

General education, not a diagnosis or treatment plan.

Works well with

Examples of common pairings, not guaranteed combinations.

Use carefully with

Stacking several actives raises the risk of irritation. If you're on any prescribed medicine, ask your doctor before adding an active.

  • Low risk; oxidises (browns) — buy fresh
  • Safe in pregnancy

Possible reactions

Stop if burning doesn't settle, or if you get a red rash, itching, swelling or peeling. Swelling of the face, lips or eyes, or trouble breathing, needs urgent medical care.

When to see a doctor

Evidence and timing

Evidence
Evidence: moderate
Time to see a change (weeks)
4-8

Evidence comes from studies of specific formulas and strengths. Your product may behave differently.

Read next

← All ingredients

Sources

  1. Yoon JY et al. J Invest Dermatol 2013 (split-face RCT, 1% and 5% EGCG, 8 wk)
  2. Saric S et al. Antioxidants 2016 systematic review
  3. Katiyar SK. Arch Biochem Biophys 2011 (photoprotection)