Are you hesitant to lift your arms up in spite of getting done with your hair removal routine? Are those dark patches in your underarm areas bothering you? It can be caused due to exposure to the sun or even skin reactions due to the use of a razor in that area. What if we told you you can get rid of them in the comfort of your home! Potato is a natural bleaching agent and offers mild acidic properties. Hence it is a perfect remedy to lighten your underarm skin having the least chances of causing any skin irritation.