This a powerful fixative protects your artwork without altering the appearance; it works well with pastels, charcoal, watercolor, ink, acrylic, gilding or photos. Suitable for use on paper, canvas, wood, glass, ceramic, porcelain or walls. For an accurate application with minimum overspray, turn the yellow nozzle in the cap to achieve the desired pattern, either horizontal or vertical.Details:ClearFor use on paper, canvas, wood, glass, ceramic, porcelain or wallsHighly concentrated fixativeLightfastPermanent and water-resistantDoes not yellow