Usually for elderly people who have a lot of sun damage,

lesions like actinic (solar) keratosis. But young people like this lady who has obviously a lot of sun exposure definitely can get benefit from that procedure.
The procedure can be easily performed in a dermatologist clinic. But in the first few days after the procedure some people may have very bad-looking red face if it's done on the face, so it's better to take few days off.