We’ve all seen the videos where a foam cannon and a "magic" chemical pre-wash make the car almost instantly cleaner and ready for a safe contact wash. To me, it's never been completely clear how much of that is the chemical doing the work versus the power of the pressure washer. My theory is that the pressure washer does a lot more of the cleaning than we assume, and I wanted to see how Bilt Hamber Touch-Less actually performed without that mechanical help from the high pressure water.

**My method:** I ran a test using my Neburia V2 electric foamer to apply Touch-Less diluted to a 1% PIR, and then rinsed with approximately 60 psi garden hose pressure after a dwell time of 3 minutes. 

**My takeaway:** Touch-Less is legitimately great at loosening and removing heavy dirt and grit on it's own (which is the part I care about most). That said, it’s not a miracle worker. It’s definitely less effective at tackling that bonded road film and those stubborn, dirty rain spots without the pressure washer to help it out. Regardless, I feel good about removing the heavy stuff before touching the paint. 

**The reality:** It’s a solid product and is still the best dedicated pre-wash that I have used, but I think the "touch-less" marketing sets some unrealistic expectations for people who aren't using high-pressure equipment. I may redo this test in a few weeks with a 2% PIR to see if that makes any difference in the road film removal. 

If you want to see the test and results in video form, you can find it here: [https://www.youtube.com/watch?v=zrfyuEM0Bzw](https://www.youtube.com/watch?v=zrfyuEM0Bzw)

As always, no product links and my channel is not monetized. I'm just doing this for fun and my own education.

Lastly, has anyone found a sweet spot for PIR dilution when using a garden hose instead of a pressure washer? I'll be doing that 2% test next time the car is dirty enough to justify it. 

I tested Bilt Hamber Touch-Less without the assistance of a pressure washer.