I bought a used white formica bedroom set with chips. The moving man told me to use white Liquid Paper correction fluid to cover it up. This was for a matte finish. It worked great.
Many years later, my white refrigerator had a small chip. I fixed it the same way. No one can tell where the chip is.
If I had a glossy finish, I would then put a coat of clear nail polish on top.
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When we washed off a white wicket shelf that is in the bathroom (wicker doesn't mind water every once in a while), some of the paint chipped off revealing another color underneath.
