Are you comfortable with the language barrier when seeking a beauty consultation in Seoul?

Hi, this is Sakura. I'm thinking of getting a beauty treatment in Seoul this summer, but I'm a little worried about the language barrier. I can speak English fairly well, but I'm worried that subtle nuances might be difficult to convey if it's not in Japanese...

For those who have actually had consultations in Seoul, what was your experience like? I'd appreciate it if you could tell me whether most clinics offer consultations in Japanese, or if English is sufficient. If an interpreter is necessary, should I arrange for one in advance?

Also, what about using translation apps? I'm a little worried about misunderstandings regarding medical explanations and other details... I'd love to hear from people with experience!