Would give 5 stars. But, it's not completely touchless. Let me explain, it does well for new dust, dirt, and fresh bug guts. However, it's it's been on the body for a few days or the car has been rained on it won't remove it touch free. Luckily when going over with a microfiber clothes to dry the car everything comes off with extremely minimal effort, hence my 4/5 rating, rather than 5/5. Car car out out very clean and happy with the results.
* Beware: Dont throw away plastic tubing in box, wil...