Skin Doctors Eye Tuck helps combat under-eye sagginess and has been scientifically shown to reduce the appearance of eye bags and puffiness by aiding lymphatic drainage and removing the appearance of excess fluid. Key Ingredient: - Eyeseryl - A proprietary ingredient that is scientifically named Tetrapeptide-5. Eyeseryl has been shown to have a draining effect on the area under the eyes, and as a result helps to visibly decongest the area, removing excess water that has pooled there. Tests on Eyeseryl were performed on female volunteers to assess its effect on skin smoothness, puffiness, and the appearance of congestion. The appearance of puffy under-eye bags was shown to decrease in 95% of the volunteers.