Lots of things! We often come across Wikipedia articles that fascinate or amuse to some degree, (often by reading Instagram’s ...

Oil-based paint has a high concentration of pigment and will typically take longer to dry than either acrylic or latex paint.

Paint can peel for a variety of reasons, including too much moisture, using the wrong product, and poor wall preparation.

And why is it so expensive? Oil paint has been used for hundreds of years. It's made from a drying oil, like flaxseed, and pigment sometimes with fillers and thickeners added to the mix.