I've had a discoloration on my penis for quite a while now (I believe more than a year) and I think it's from too much masturbation. Normally I do not use lubrication so is it the dryness of my hands that cause this purple-like bruising on my foreskin? Any help would be greatly appreciated! http://www.lpsg.org/gallery/data/500/DSCF2301.JPG There's an image to show the bruising. What would be some methods to heal the discoloration? Or is it permanently that rashed?