There is a second active compound in green tea that has nothing to do with antioxidants. A 2025 review just took it seriously.

From Root to Ritual by Laritelle Organic. Green tea has appeared throughout this series as an antioxidant — EGCG protecting collagen from oxidative degradation, supporting HIF-1α signalling integrity, reducing the sebum oxidation that feeds PIILIF inflammation. All of that is accurate and well-supported. It is also half the story. Green tea also contains caffeine — and a 2025 systematic review took the question of what topical caffeine do... Read the full article: https://laritelleorganic.com/blogs/news/there-is-a-second-active-compound-in-green-tea-that-has-nothing-to-do-with-antioxidants-a-2025-review-just-took-it-seriously