Sleeping on one side deepens the "nasolabial folds" Habitual frowning can lead to vertical skin folds between the eyebrows shaped like the character "Sichuan" Chewing hard foods such as "crunchy crispy bones, beef jerky", etc., or chewing gum for a long time will fully exercise our masseter muscles. A fat masseter muscle will make the already three-dimensional face of Oriental women appear wide, become square face, and some will even become a triangular face.