Using sandpaper and a travel mug filled with blue stuff can I melt all my headlight worries away?

This is the tool I used:
https://amzn.to/45elLlX

The sprayer I used for cleaning:
https://amzn.to/3y8Qyo0


0:00 Intro
1:06 The kit
1:54 Masking off the lens
4:57 Sanding
7:06 Setting up the tool
10:04 Using the tool
11:50 Before & after
12:12 Doing the driver's side
13:00 Final Product