Eat more fresh fruits and vegetables.
In order to tighten your stomach, you need to provide enough nutrition to your skin. Eat more fresh fruits and vegetables, which are rich in vitamins and help to restore skin elasticity. Don't forget to supplement collagen, such as pig's trotters, chicken feet and beef tendon. They can make your skin firm and elastic again!
♀? by oneself
Want to stop relaxing? Exercise is the key! Sit-ups are a good choice. They can help you exercise your abdominal muscles and make your abdomen firm again. In addition, you can try some other abdominal exercises to restore your stomach to its pre-pregnancy state.