Face slimmer double chin removal create V-Line face shapes chin cheek lift up Anti-Wrinkle lifting belt face massage tool for Women and Girls. Effectually tightens up the face and neck skin, improve facial wrinkles to the maximum extent. used for round face, fat face, muscle face, double chin face. Suitable for men and women. Better to use before sleeping at night, it is the peak time for skin cells to absorb the ingredients. You can use it when sleeping. How to use: 1.Clean skin with warm water. 2.Remove the pearlescent paper on the mask,then apply the collagen gel side directly to the jaw.Pull the two ends behind ear and adjust them to comfortable position. 3.Take the mask off after 1-8 hours.no need to clean face after use.