Suggest Treatment For Pigmentation Mark Around The Lips

Hi, my name is nikki... i waxed my upper lip using veet waxing strips which caused a rash and later became a scar... and the scar has healed and now the corners of my lips have been left with a black mark like as if it has been pigmented... i went to a cosmetologist he has suggested lycor 1% and depiwhite cream for hyper pigmentation... i want to get rid of this ugly marks because i am getting married after two weeks... plz plz suggest an effective traetment to clear up this dirty mark... plz help me, suggest me what i ahve to do to get rid of this pigmented mark