The Inkey List- Caffeine Eye Cream, 15mlHELPS REDUCE UNDER EYE PUFFINESS Clean Hydrate Treat Moisturize SPF This hydrating and lightweight under eye cream helps to reduce the appearance of puffiness, dark circles and fine lines. It's a wake up call for your eyes. This creme cremes works wonders for the under eye area, helping to reduce the appearance of puffiness and dark circles. As caffeine is a diuretic it can help to relieve water retention, a major cause of puffiness under the eyes.