It's the classic letdown. You just dropped $800 on new headlights at the garage. They look great, crystal clear, shiny. Three years later, you notice they're starting to yellow. Again. Already. You feel like you got ripped off? Not really. It's just the reality of polycarbonate.
Same Material, Same Problem
Your new headlights are made from exactly the same plastic as the ones they replaced. It's polycarbonate. And polycarbonate reacts to the sun's UV rays. Not in 20 years. Not in 10 years. The moment your car sits in the sun, the breakdown process starts. Slowly, but it starts.
The manufacturer applies a UV-protective coating at the factory. That's what gives you 3 to 5 years of clarity. But that coating wears down. Especially in Quebec, where road salt and abrasives attack it for 5 months a year. We go into the details of this mechanism in our article on polycarbonate versus glass.
The Replace-Yellow-Replace Cycle
It's an expensive cycle. You replace your headlights for $500–$1,800. They yellow in 3–5 years. You replace them again. Over 15 years of car ownership, you could easily drop $3,000 or more on headlight replacements. Just because plastic does what plastic does.
It's a bit like painting a wooden deck without a protective stain. It looks great for a year, then the wood grays and you have to start over. The problem isn't the wood—it's the lack of lasting protection.
How to Break the Cycle
The solution is to restore rather than replace, and apply a quality protective coating after each restoration. A professional restoration removes the oxidized layer and starts fresh. A ceramic or UV-protective coating then shields the plastic for 2 to 3 years. When the protection starts to wear, you get them restored again. Cost: a fraction of replacement.
Over 15 years, you could go from $3,000 in replacements down to maybe $400–$600 in restorations. And your headlights stay clear the whole time. We break down the full comparison in our article on restoration versus replacement.
If You Just Replaced Your Headlights
Good news: now's the best time to protect them. Your headlights are new and clear. Get a ceramic or UV-protective coating applied right now, while they're in perfect shape. You'll extend their clarity significantly.
It's like putting a screen protector on your new phone the day you buy it. Not after the screen is already scratched.
Get in touch with us at leroidesphares.ca to have a protective coating applied to your new headlights. We service Montreal and the South Shore.
