Baking soda makes dough rise, turning heavy batter into light, fluffy cakes. Yet even though recipes call for only a pinch, the box is always oversized. Instead of letting the excess sit idle, put it to work. Beyond baking, this powder is a powerhouse cleaner—and an unbeatable budget beauty aid. The seven uses below reveal why baking soda is a smart, low-cost secret for skin, hair, and overall wellness. Try them and see how far one box can go.
