That’s *The Ordinary Caffeine Solution 5% + EGCG*, 30 mL/1 fl oz U.S. amber glass dropper bottle. *Short summary:* - *Use*: Eye serum for dark circles and puffiness - *Key actives*: 5% Caffeine + EGCG from green tea leaves - *Claim*: Reduces the look of pigmentation and puffiness around the eye contour - *Texture*: Lightweight, water-based serum with a slight slip - *Best for*: All skin types, especially anyone with tired-looking eyes, morning puffiness, or mild darkness under eyes Caffeine is a vasoconstrictor so it temporarily reduces swelling and fluid retention. EGCG is a potent antioxidant that helps with inflammation and discoloration. This won’t fix genetic or hollow dark circles, but it helps with vascular or puffy ones. Use AM and PM: apply a tiny drop under each eye and tap in. Avoid the lash line.