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Q: Does masturbation cause your penis to start smelling?
A: The smell that you will probably be noticing is from a substance called smegma. Smegma is made up of dead skin and sweat glands, this is usually more common in uncircumcised males as circumcised men can see the head of their penis at all times, Just make sure that your wash your penis every day, clean under the foreskin if you have one and you will be fine.