If there’s still residue leftover after you clean your headlight covers, wipe them with a damp rag with car wash soap.
WD-40 helps cut through even more stuck-on grime that’s on the surface to make your headlights clear again. It’s okay if you get some WD-40 on your vehicle’s paint since it won’t cause any damage.
You can apply a layer of car wax over your headlight to help them stay clear for longer. [4] X Research source
Petroleum jelly fills in spots on your headlights that are scratched or have been broken down by the sun.
You can also use olive oil spray, but apply it to your rag rather than directly onto your headlights.
Toothpaste is slightly abrasive, so it helps smooth and polish any damaged areas of your headlight lenses.
Baking soda acts as an abrasive and reacts with the vinegar to help loosen up any dirt that’s still stuck on your headlights.
The Sylvania Headlight Restoration Kit is really effective since it has fine-grit emery paper for a smooth finish and it gives you the best improvement to your headlight brightness. [11] X Trustworthy Source Consumer Reports Nonprofit organization dedicated to consumer advocacy and product testing Go to source The Turtle Wax Headlight Lens Restorer is a cheap alternative that comes with a sealant you can wipe on to protect your headlights for even longer. The 3M Headlight Lens Restoration System comes with an abrasive sanding disk that you can attach to a power drill so you don’t have to put in as much elbow grease.
If your headlights still look a little hazy, try ending with 3,000- or 4,000-grit sandpaper. Put masking tape around the edges of your headlights so you don’t accidentally scratch off any paint or finish.
