No age limit. Adults can have surgery if they are healthy. I'm 22, too. I did it this year. Life is irregular and bags under the eyes are obvious. I do it internally. At our age, I basically do it internally and recover quickly. There is no wound inside or outside the incision, and it is almost invisible after doing it. They are on the second ring road, next to Yulin Life Square. You can have a look at the required scheme.