Clean the plastic with mild soap and water
Dry it completely with a soft microfiber cloth
Test any method on a small hidden area first
Use a plastic polish or scratch remover for light scratches
Apply a small amount with a soft cloth and rub in circular motions
Buff the area with a clean microfiber cloth
For deeper scratches, use a fine abrasive such as toothpaste or baking soda paste
Rub gently and avoid pressing too hard
Rinse and dry the surface after polishing
Use very fine sandpaper only on hard plastic and only if needed
Wet-sand carefully with 1000 to 2000 grit sandpaper
Finish with plastic polish after sanding
Avoid harsh chemicals that can damage plastic
Replace the item if the scratches are too deep to remove