Our kitchen grease cleaners contain ionized water, surfactants and additives. It can contain deep penetration decomposition factors, which can separate and absorb dirt step by step. Its use method is very simple: 1. Shake the product before use, evenly spray on the black stain; 2. Wrap plastic wrap to prevent volatilization; 3. Wait 12-24 hours; 4. Tear the plastic film and rinse with hot water. Multi-functional cleaning agent to effectively remove stains.