Why did the headlight restoration spray become blurry after over-application?

2 Answers
VonAnthony
07/25/25 4:46pm
First, use 3M 2000-grit sandpaper to sand while spraying water until the excess restoration spray is removed, then polish with a polishing machine. After treatment, you can reapply the spray. Introduction to Car Headlights: Car headlights, also known as automotive front lights or LED daytime running lights, serve as the 'eyes' of a vehicle. They not only affect the owner's external image but are also crucial for safe driving at night or in adverse weather conditions. Purpose of Headlight Adjustment: It allows the vehicle's lights to maintain an appropriate height at all times, facilitating nighttime driving and adapting to varying road surfaces. Importance of Headlight Adjustment: The more passengers seated in the rear, the lower the rear of the car will sag, causing the front of the car to rise accordingly. This elevates the headlight height, potentially dazzling oncoming drivers and distracting them, which can easily lead to traffic accidents.
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LeNoah
08/11/25 9:56pm
I encountered a similar issue last time when I sprayed too much restoration liquid, causing the headlight to become hazy. The reasons could be either applying too much liquid without even spreading, which forms a thick film on the surface affecting light transmission, or the restoration liquid not fully curing, leading to chemical reactions from residues that cause haze. This is a common mistake among DIY beginners who rush the process without following instructions. I recommend stopping use first, gently wiping off excess with a clean, soft cloth, avoiding excessive force to prevent scratches. Then, let the headlight dry naturally for a few hours; sometimes the haze will fade away. If it persists, it's best to spray a small amount of restoration liquid again, spreading it evenly to ensure a smooth surface. Preventing this is simple: shake the bottle well before each use, control the spray amount to maintain a thin layer, and avoid over-application. Remember to work in a well-lit area and regularly check the restoration effect.
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