(Question) What factors should I consider when comparing dermatology lasers?

It feels like when I solve one skin problem, another one pops up and torments me.
I am reminded of someone saying that, like a diet, it requires lifelong management.
I'm worried about skin care, and laser prices vary from hospital to hospital.
Some places have the lowest From 10 to 400,000 won somewhere Places that speak of

You might get the misconception that if something is expensive because it has a lot, it is good.
Since I don't have a dermatologist I go to regularly, what criteria should I use to select one?