Your underarms should naturally be about the same colour as the rest of your skin. But sometimes, the skin in the armpits can turn dark. Dark underarms usually are not a sign of anything serious, but its embarrassing for most of us specially when you have to use sleeveless shirts.
Reasons for Having Dark Underarms.
Some of the main causes of dark underarms are
-Shaving
-Regular use of hair removing creams
-Excessive sweating,
-Poor ventilation of underarms
-Accumulation of dead skin cells,
-Use of alcohol-based deodorants
-Antiperspirants...