Here are some...: The color of butt & penis becomes darker after marching into adolescence & adulthood due to sex hormonal effects. Besides, skin looseness around anus and at penile flaccidity may add a tad of darker tone than that at erection. All in all, that is normal.
Answered 6/6/2017
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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