cosmetic surgery
US /kɑzˈmet.ɪk ˈsɜːr.dʒər.i/
UK /kɑzˈmet.ɪk ˈsɜːr.dʒər.i/

1.
any medical operation which is intended to improve a person's appearance rather than to treat an illness
:
•
She decided to undergo cosmetic surgery to enhance her facial features.
•
The clinic specializes in various types of cosmetic surgery procedures.