Fresco Finish Pearl Glaze Pearl Glaze is a glaze with a soft, pearlescent glimmer. Use a thin coat over Fresco Chalks for a delicate pearl effect, or mix with satin glaze to control the amount of pearl you wish to apply. Stunning over pale shades of Fresco Chalks. Shake well befor using. Easy clean up in warm water. Low or no VOC's. Eco Friendly.