Just mix water and a small amount of liquid soap in a clean spray bottle. Professionals recommend baby shampoo or dish soap without any kind of grease-cutting agent as this may interfere with film adhesion. Rear windows have compound curvatures that render the application of window tinting film more difficult.
Can you use Dawn dish soap to tint window?
o For wetting solution, use a solution of mild dish soap (i.e., Dawn® or Joy®) and water. For a 32oz. spray bottle, add 4 to 5 drops of soap.
Can I use Windex to apply tint?
We suggest using Vinegar Windex (Green), or any of the citrus Windex's. There are other cleaners made specifically for tinted windows such as Ammonia-Free Spray Away-Foam Spray, which work very well. You can also use soap and water, vinegar and water, or really anything without ammonia or abrasives.