Netizen: I want to do lip augmentation by injection. I heard that it will swell up after it is finished. Want to know the experts of Kang Hua Plastic Surgery Network: Injection lip augmentation is a popular lip augmentation method, which is very fast, simple, painless and quick after operation. If the correct postoperative care method is adopted, there will generally be no lip swelling. If the lips are swollen, it usually takes a day or two to reduce the swelling. Of course, the specific swelling time will be slightly different according to everyone's physique. During the swelling reduction, don't eat spicy and irritating food in peppers and seafood. Prevent the infection of the wound on the lips. Get more professional answers about lip plastic surgery to help you become beautiful as soon as possible!