Dark underarms is a condition when the skin under the arms or the armpits as we know gets dark. Dark armpits restrict a person to wear sleeveless tops because it would be very embarrassing for her. Dark underarms can be the result of improper cleaning, sweating, dead skin cells and friction due to different types of clothes. For some people, it may be due to shaving products or deodorants containing alcohol. Dark underarms may be accompanied by itching, sweating and bad odor. There are several ways to treat the problem naturally. In the following lines, we provide the home remedies to cure dark underarms.