Talk to General Physician on Keratosis Pilaris And Pigmentation

Assalamualaikm Im having problem of keratosis pilaris since 2-3 years on my legs and bikni line. I have always used waxing method to remove hairs Bikni line pe bht ziada pigmentation hai or jidhr jidhr wax lgti hai udhr udhr kp can be seen and i also get ingrowns too I m mentally disturbed because of this i dont know why this condition is happening with me

I want to know how to cure kp and its pigmentation please help