Exilis facial skin tightening collagen refill technology crt exilis effectively lift and tighten excess skin making it ideal for redefining the facial contours be it the eye area jowls or so called turkey neck all natural signs of ageing it can also be used to target excess fat underneath the chin in addition because exilis boosts collagen production to make the skin tighter and firmer it may also help improve the appearance of fine lines and wrinkles to lift and tighten