How To Get Rid Of Dry And Black Lips?

hi, im 26,i have tried a lot of times to stop masturbating.....i notice i get a dry lips whenever i masturbate , though i used to have ulver before now which when i start feelin the burn i get the dark lips as well .......wat can do about my black lips and please what is d best drugs to stop dis ulcer coz the black lips thing is getting me messed up ....im a cute guy and dont need a black lip