One of the first considerations when decorating a home is the base. There are two schools of thought, each with advantages and disadvantages. Some brands, commonly sold to contractors for commercial projects, are oil based, which means that the selected pigment is mixed with an oil derivative called alkyd. Oil paint provides thorough coverage and the finished paint is moisture resistant. However, oil paints release a high proportion of volatile organic compounds (VOC) when they dry and can only be removed from floors, brushes and clothing with strong chemical paint thinners. In fact, many states have banned the use of oil-based paints because of their VOC levels and hazardous ingredients.