A surgical solution to a physiological condition.

In terms of beauty enhancement anyway..

Plastic surgery is used extensively in oncological breast reconstruction, hare lip, airway clearance, post burns reconstruction, eye obstruction, wound closure etc etc.

Mind you, I'm not being judgemental here. If a beauty treatment raises your self esteem and helps prevent depression, it may be a smart move for both doctor and patient. Sadly, lots of it addresses my first point.