10. Using potatoes to remove sweat stains Potatoes can help lower the chance of perspiration stains under the arms. Peel, cut, and clean the area beneath your arms. After allowing it to absorb, rinse the skin with water. Post navigation 13 Laundry Tips to Make Your Clothes Bright and Fresh Like Spring 10 Things Flight Attendants Rarely Talk About, Plus Tips to Make Your Flights More Comfortable 1 2 3 4 5 6 7 8 9 10 11 12 13