on to this website: www.eurekalert.org/pub_releases/1997-11/UoM--CFDC-041197-php . Confectioner's glaze, food glaze, resinous glaze, and pharmaceutical glaze are all basically names to confuse us on packages for shellac , the excretion of a certain type of beetle. This shellac is used to make the outside candy shell of very many popular candies shiny.