I was on my way out to go buy some and looked in my garage and found an old 10 year old bottle in my garage laying around and did my headlights today on my 2018 F250 that were dull on top and this stuff made them look better then new. Stuff is amazing...10 year shelf life proven. 😊
Use gloves and a mask and for really bad lens use 2000 grit wet sand paper. Lastly, use protection: lens sealer. See Scotty Kilmer who advises lens protection on NEW headlights.
