After a skin treatment, what products do you all take home?

Hi everyone! I had a skin treatment in Seoul last week and I'm currently in the recovery phase. I kind of regret not preparing my post-care products beforehand and am now just getting by with the basic lotion from my hotel 😅

I'm thinking next time I visit, I should bring some soothing sheet masks and silicone patches from home. Has anyone else had similar treatments? What kind of cooling masks or calming gels do you usually bring? I've heard some products are especially good for the first few days after a procedure, but I'm not too sure what to choose.

Also, can these items be bought in Insadong or Myeongdong? Or would it be more convenient to bring them from home? Please share your experiences! I want to be better prepared for my next recovery period.