How do foreigners find reputable clinics in South Korea?

Hi everyone, I'm Van from Vietnam. I'm planning to try some cosmetic treatments in Korea but I'm a little worried about finding a trustworthy place. For those who have been there before, what do foreigners usually check before choosing a clinic?

I'm very concerned about the consultation and communication. What if you don't speak English or Korean? Do they offer translators, or should I look for clinics with staff who speak my language? I'm also not sure if I should book through an app or website or go in person for a consultation.

One more question: for those who have been there before, could you share how you checked reviews or asked friends for advice? I want to make sure the doctor is experienced before deciding. Thank you so much! 💕