Wynns Stop Smoke Oil Additive is designed to reduce exhaust smoke caused by oil burning. It is particularly effective in older engines with worn components and can be used in petrol, LPG, and diesel engines. Simply add the contents to the engine oil when the engine is warm. This additive improves the viscosity properties of the oil at high temperatures, seals gaps between worn engine components, enhances compression and engine performance, and reduces engine noise. It ensures a strong protective oil film under high-temperature conditions and is compatible with all mineral, synthetic, single, and multigrade oils. Wynns Stop Smoke for Oil helps reduce engine noise and is suitable for petrol, LPG, and diesel engines.