You need to have patience in healing . I do not know what scars are you referring and what serums are you using to suggest you more.
Whenever you ask questions for more suggestion, please clarify what is the problem and what are you already doing with VK and how frequently..
However you can check this post, as i am reading most of your posts are on beautifying.
You can do some gratitudes also as suggested in this link
https://forum.litairian.com/discussion/33/pimples-acne-and-left-over-scars#latest