Silicone Face Exerciser Muscle Lips Trainer Tightener Face Slimmer Jaw Exerciser. Our Face Slimmer is an easy and effective way to slim your face, jawline, and neckline. Simply place the mouth-shaped slimmer around your lips and open and close your mouth to exercise your neck and jaw. Use it consistently to eliminate wrinkles around your eyes and sagging skin, slim your face, and shape your neck. Made of high quality material, which is non-toxic, comfortable and also environmentally friendly. Just 3 to 5 minutes per day is all you need, a good and effective way to exercise your lips and facial muscles. Package Includes: 1 x Facial Slimming Tool