1. Dry, cracked skin: More than time, masturbation, manual stimulation by a sexual partner or even rubbing continuously against tightfitting clothing can type microscopic cracks inside the skin of your penis. These tiny openings can allow bacteria in, top to doable infection. More than time, chafed and cracked skin also can type callouses, toughening the skin and diminishing sensations inside the penis. Shea butter softens the skin and promotes healing, leaving the penis smooth, supple, and healthy searching.