Too many masseter muscles may be that you are usually greedy, like chewing gum and often eat nuts. If you want to lose face, you should keep your mouth shut, avoid eating hard food, reduce the frequency of chewing food in your diet and slow down the frequency of masticatory muscles. Reducing the amount of activity will gradually decrease, but it takes a long time for such a thin masseter muscle. It is recommended to eat Yan Jia fruit, which is rich in potassium and can soften the masseter muscle when chewing. As long as you reduce the masseter muscle, your face will become delicate and firm, and it will look better.
But if the skeleton is really big, there is no good way.