A, lie on your back in bed. Support with your shoulders, hang your head over the edge of the bed, then slowly lift it up and then drop it. Repeat 10 times.

B, don't move your shoulders, just try to stretch your neck forward for 6 seconds, then slowly pull your chin down to your neck as far as possible, keep this action for 6 seconds, then relax and repeat it many times.

C sticking out your tongue is an ideal way to keep the skin loose between your chin and neck, which can prevent the formation of your chin and reduce the formation of your chin.

D. You can also use your tongue against the teeth of the lower jaw to tighten the neck skin.