So a few weeks ago I got this after shaving my genital area, I'm 16 and I a virgin so I know It can't be a STD/STI. I do masterbate regularly and I'm wondering if I should stop until this clears up. Its a small maybe 4mm spot of the bottom of my shaft its kinda yellow whiteish and it been like that after me shaving. Is it due to my genital area being sweaty? What is it? And do I leave it and let it go naturally? Here is a picture of it close up: http://tinypic.com/view.php?pic=aub4ac&s=5#.UnWiMnNFDqA