Nothing removes dark skin like lemons. Lemons are natural cleansers, anti-bacterial & anti-septic. It’s acidic properties help extensively in lightening your skin along with exfoliating dead skin cells. So, why not use lemon for lightening your dark underarms?
Take a thick slice of lemon and rub your underarms daily before you go to have bath. Apply some moisturizer after bath as lemon also tends to make skin dry. You may also use lemon in different way, as told in the next point, to ensure it doesn’t dries up your skin.
Add a pinch or two of turmeric, honey or yogurt to lemon juice. This will give you something like a paste. Apply this to your dark underarms and leave for about 10 minutes. Now wash off with water.