Inquiry about re-treatment of lip filler

hello

I had lip filler treatment at Inha University branch last Friday, but the corners of my mouth sagged after the treatment, so I'm considering getting another treatment with lip filler.

 

  1. Can I get filler at the corners of my mouth after getting lip filler? If so, how many days after that can I get another procedure?
  2. Is it possible to use only a portion of the 1cc lip corner filler? I'm afraid it would be too much if I put the whole thing in.

Please reply after checking. Thank you.