A protective finish is applied to keep paintings safe from wear, but they will discolor as a result of time going by. About two hundred years ago, someone coated a 1618 oil portrait of an unknown ...

They're actually oil paintings that are so incredibly detailed ... really bring out the realistic details is to add a layer of varnish. It pulls out the vibrant colors used in each painting ...

Wax is a powerful antiseptic, has great preservative powers, and it would be well to apply it as the first coating for canvas designed for oil paintings. Wax added to painters' varnishes tends to ...