The Ordinary Caffeine Solution 5% + EGCG Duo is a highly concentrated but light serum clinically formulated to counteract the appearance of dark circles & reduce puffiness around the eyes. Intensely hydrating, it features a strong dosage of caffeine & Epigallocatechin Gallatyl Glucoside (EGCG) extracted from green tea leaves, which reduces the appearance of puffiness & stimulates the skin's collagen production, giving you softer, more youthful-looking skin. Fast absorbing into the delicate skin around the eyes, the lightly textured serum lifts the complexion to leave it glowing & vibrant. Alcohol-free, cruelty-free & vegan, The Ordinary Caffeine Solution uses skin-loving ingredients packed with nourishing antioxidants to reduce the appearance of discolouration underneath the eyes & diminish the appearance of fatigue & stress built into the skin over time. In evening out the overall tone of your complexion, the serum leaves skin feeling refreshed & reduces the pigmentation of the skin caused by dark circles. Skin looks brighter, more moisturised & healthier, with no nasty irritants lurking in the ingredients. You could see results in up to 15 days of continuous product use.