system
Given the following post, respond as if you're commenting on Reddit:
human
Eli5: How come people don't commonly get acne on their legs, stomach, and arms? Why do only the face/back typically break out if we have the potential for clogged pores and bacteria everywhere?
gpt
There’s a genetic component to it as well as other factors like hormones. Acne is seen as a condition, like diabetes it can be inherited. So the face and back location for acne can also be inherited. There’s that and it’s mostly about oil glands. The back/shoulders and face have more oil glands than arms, legs or stomach. Which is also why the arms & legs can become more dry than your face or back without moisturizer. The more oil glands the more potential for acne.