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Is it necessary to apply headlight film?

2 Answers

HopeMarie

08/26/25 3:08am

Applying headlight film is necessary. Automotive headlight color-changing films mainly serve the following functions: 1. Protection against high-speed gravel: Ordinary gravel scratches are difficult to recover naturally. Using a protective film can effectively prevent damage, keeping your car's headlights in a new condition. 2. Preventing minor scratches: It can protect against slight friction in daily life, sewage damage, and scratches during car washing. 3. Decorative effect: With multiple color options, it adds a finishing touch. Unlike sprays, automotive headlight color-changing films can be peeled off at any time. 4. Light transmittance: It offers 90% light transmittance, is easy to install, has strong adhesion, does not affect the original light source, and poses no issues during car washing.

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VonFinn

09/08/25 3:28am

I actually don't think applying headlight film is absolutely necessary, especially for ordinary urban driving scenarios. The film mainly protects against small flying stones and UV rays that can cause the lens to yellow or get scratched. But honestly, if you don't drive much daily or mainly commute in the city, the headlight material itself can last for several years without needing that few hundred yuan spent. I've applied it before and felt the protective effect was mediocre, plus the film was hard to remove when changing bulbs. If you're on a tight budget, it's better to spend that money on more critical maintenance, like oil changes or tire inspections. Of course, if you frequently drive on highways or off-road, applying the film can reduce the risk of damage and extend headlight lifespan. Overall, I'd recommend weighing the decision based on your personal driving frequency and environment.

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