Repeat until your headlights lose some of their yellow hue. Rinse your headlights thoroughly and dry. To further protect the lenses, apply a coat of car wax. Use a clean, soft rag to rub the wax on in a circular motion, and buff out after a few minutes.
Sodium bicarbonate (IUPAC name: sodium hydrogen carbonate) is a chemical compound with the formula NaHCO3. It is a salt composed of sodium ions and bicarbonate ions. Sodium bicarbonate is a white solid that is crystalline but often appears as a fine powder. It has a slightly salty, alkaline taste resembling that of washing soda (sodium carbonate). The natural mineral form is nahcolite. It is a component of the mineral natron and is found dissolved in many mineral springs.
It has a white powder appearance. It is odorless and has a slightly alkaline taste. The most common bicarbonate is sodium bicarbonate. It has the chemical formula NaHCO3 and is used as baking soda for cooking and cleaning. It is also used as an antacid. Due to its solubility in water, sodium bicarbonate is often used to assess water quality.