Powered by the brand's proprietary triple retinol blend, the Perricone MD High Potency Retinol works day and night to help visibly reduce the look of under-eye puffiness and uneven texture for a firmer-looking appearance. Infused with antioxidant-rich coenzyme Q10 and naturally derived vitamin A, the potent formula helps brighten and smooth while softening the appearance of dark circles for a refreshed finish. Results: 100% showed significant improvement in skin hydration immediately after application* 91% showed a significant reduction in under-eye dark circles† 88% showed a significant reduction in under-eye puffiness† Statistically significant reduction in fine lines and crow's feet** *In a clinical study of 34 women. **In a clinical study of 34 women after 4 weeks. †In a clinical study of 34 women after 8 weeks. 97% agreed it is non-greasy and works well under makeup** 93% agreed it does not cause any visible signs of irritation such as redness, scaling, swelling** 91% agreed eye area looks and feels smoother** 91% agreed it does not cause skin discomfort such as stinging, burning, itching, tightness** 90% agreed eye area feels more supple** **In a consumer study of 106 women after 28 days