Razhie answered Monday November 22 2010, 1:13 pm: It doesn't.
Sexual desire and the desire to masturbate are symptoms of our natural hormones. Acting on the behaviour does not increase these hormones, or cause acne. Denying yourself sexual pleasure also doesn't change the hormones in your body in any significant way that could impact acne.
Natural hormones in the human body (that are good and generally should be there) are a contributing cause of acne, but they are not alone. Birth control pills can change those hormones, and so can natural cycles and shifts. Masturbating and sex doesn't change them enough to have enough inpact to cause or contribute to a hormone inbalance.
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