What to Do When White Car Paint Turns Yellow?

1 Answers
LaEmmett
07/30/25 2:43am
Vinegar to Restore White Paint Gloss: After aging, white paint tends to lose its original gloss. Add a small amount of vinegar to hot water, then gently wipe the surface with a soft cloth dipped in the vinegar solution. Once the surface is completely dry, polish it with wax to restore the gloss. When using glycerin for cleaning, adding a few drops to water can help clean more thoroughly. Avoid using water alone or soapy/alkaline water for scrubbing, as this can affect the paint's smoothness and even cause the paint to peel. The yellowing of white paint occurs because the clear coat over the paint oxidizes and turns yellow when exposed to air. The main component of this clear coat is epoxy resin, which is prone to oxidation and deterioration upon contact with air. Physical sun protection involves adding an extra layer to the car, such as a car cover or an invisible car wrap (like rhinoceros skin), to minimize the paint's exposure to the external environment and protect it. Polishing removes surface contaminants and the oxidized yellow layer by grinding them off. However, this process gradually thins the car's paint and is not recommended frequently, as it may eventually wear away the original paint. Waxing, glazing, and ceramic coating all offer UV resistance, oil resistance, corrosion protection, and hydrophobic properties, thereby safeguarding the paint. The choice among these methods depends on individual circumstances. Waxing is the most affordable, while ceramic coating is generally more expensive but lasts longer. Regardless of the method, frequent use is not advised, as it can also damage the original paint.
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