Skin Problems & Your Health | Yahoo!
Chin Acne
The cause: Hormonal imbalance
There’s a reason many women have breakouts on their chin right before their period: That part of the face is particularly sensitive to rises in progesterone and testosterone. Many women simply experience mild acne, but if your breakouts tend to be more severe or painful and are no match for OTC treatments, it’s time to see your ob-gyn.
Well..this explains a lot..
