How to Get Rid of a Double Chinbr br Double chin is a type of submental fat. It is a common condition which happens when the fat layer forms below the chin. Weight gain or obesity is considered a major cause of double chin. However, spending more time on mobile phones also increases the risk. On the other side, the looser skin due to ageing and genetic issues may also cause a double chin. However, there are several facial fat reduction exercises that you can do to overcome the problem. In this video, Dr Ayesha shared tips regarding the double chin removal exercise. Just check out the video for further details.