Why does the skin on male genitals darken?

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I was in the shower this weekend with my son (aged 4) after swimming and he awkwardly asked me why mine is darker (than my skin). I had no answer for him. So can anyone answer this for my son who is actually 4.

In: Biology

12 Answers

Anonymous 0 Comments

Funny story, just before I went through puberty I got self conscious about how my *area* was pale so I would tan in the nude when my parents were at work

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