Liquitex white gesso primes surfaces for painting and adds tooth. Gives an opaque matte white finish. Use undiluted or thin up to 25% with water. Sand non porous or shiny surfaces before applying gesso. Leave to dry for at least 24 hours. Can be used with graphite, pencil, charcoal, acrylic or oil paint and mediums. It is lightfast, archival, non yellowing, flexible and non cracking, and water resistant when dry.