Use Lemon
Nothing can beat lemons when it comes to bleaching! A natural cleanser, lemons are 1 natural ingredient that help lighten your dark armpits fast.
Moreover, they contain incredible antibacterial, antiseptic and acidic properties that help exfoliate the dead skin cells and thus lighten your skin
Just grab a couple of lemon slices and rub them on your underarms before you take a bath.
Let the lemon juice sit on your skin for 5 minutes, then wash it off.
Finish with a moisturizer after your bath, as lemon tends to dry out the skin.