Dark underarms is one of the most common skin problems that most women face and it has nothing to do with skin color – even fair skinned people have dark underarms. Although they do not pose any health risk, they do not look good and bar you from wearing certain type of clothes. Some common causes of dark underarms include hair removal by shaving or creams, synthetic clothing that causes friction, bacterial infection, antiperspirant deodorant and sometimes health conditions like acanthosis nigricans. One can easily get rid of dark underarms with the help of natural remedies. Here are some of them. All these home remedies are readily available and highly affordable. They also have no adverse side effects on your skin.