Most women face this issue at some point this can be very restrictive to wardrobe options. The simplest course is to follow some easy home remedies which can be worked on regularly and keep the underarms clean and fresh.
Some Simple Home Remedies:
Use any of the tips that suit you best. As there is no ventilation the underarm area requires some care before you wear your sleeveless and topless garments. The key to having fair underarms is Regular Care.
Sources: www.allayurvedicremedies.com, www.dailyglow.com