and pocket-friendly) solution — lemon and baking soda.
🧪 The Science Behind a Brighter Smile
The secret lies in the chemistry. Baking soda (sodium bicarbonate) is a mild abrasive that gently lifts surface stains while balancing oral acidity. It also fights plaque and neutralizes bacteria that cause bad breath.
Lemon juice, on the other hand, is rich in citric acid, a natural bleaching agent that helps dissolve tough stains. When mixed together, they form a lightly fizzy reaction that polishes teeth and restores brightness.
🔬 Fun fact: Research shows baking soda toothpaste can