Our multi-purpose household foam cleaner kit contains penetrant, baking soda, and lemon extract. It can effectively break down various stains and oil stains and make your clean surface glow again. The way to use it is simple: shake well before use. Spray vertically at a distance of 15-20cm from the surface to be cleaned and let stand for 5-10 minutes. After the foam has penetrated the dirt, wipe it with a clean rag or sponge. And can clean heavy oil.