Filler or fat grafting or laser for surgery scar? (photos)

Im 24 yrs.and had undergone a scar revision last year and after that had gone through 4 laser i notice white pigmented skin developing surrounding the scar.should i consider doing laser again?another dermatoligst suggested fat graft for my scar which he says permanent instead of filler.I really want a permanent solution which maximise the result.pls suffering.

No doctor answers yet