 [ Symptoms ] why do i yawn after 30 40 minutes of exercising [ Disease ] deep scar management can be very difficult to treat fresh scars or revisions may take up to one year to fully mature or fill in when evaluating your scar you and your physician should decide if a revision would actually improve your scar long term you may want to consider less aggressive alternatives such as topical skin lighteners if color mismatch is your concern or the use of filler substances if a depression from the scar is your primary focus