When a car is wash with soap, some of the chemicals from the soap remain on the car. When it rains these chemicals wash off the car into the environment. Using Paton car clean solution is a green, eco- friendly product. Paton car clean solution is non-toxic and bio-degradable. You do not use up precious fresh water cleaning your car with Paton car clean solution. Your car will shine for 3 to 4 weeks after applying Paton car clean. When it rains, the runoff from Paton car clean solutions does not harm the environment. Paton car clean solutions has no petroleum solvents no volatile organic compound. No harsh caustics or silicates. No dyes or deodorants. Use Paton car clean solutions, and keep the environment clean.