For those planning a beauty-focused trip to Seoul 🌸 Please recommend some areas and accommodations.

Hi, this is Aoi. I'm planning to go to Seoul this fall for a beauty treatment, but I'm having trouble deciding which area to stay in. 😅

I've heard that Gangnam and Apgujeong are popular, but for those who have actually been there, what's it like? I know there are a lot of clinics, but I'm worried about getting bored or having trouble getting around. Are there any other good beauty areas?

Also, I'd really appreciate hearing about accommodation costs and the atmosphere of the surrounding areas based on your personal experiences. Since this is my first Seoul beauty trip, I'd like to be as efficient as possible, but I also want to do some sightseeing...🙈

Experienced travelers, please give me some advice!