Gouache tubes and a "Chinese white" tube was added to boxes for this purpose. Later that century, for decorative uses "poster paint" was mass-produced, based on the much cheaper dextrin binder. It was sold in cans or as a powder to be mixed with water. The dextrin replaced older paint types based on hide glue or size. During the twentieth century, gouache began to be specially manufactured in tubes for more refined artistic purposes. Initially, gum arabic was used as a binder but soon cheaper brands were based on dextrin, as is most paint for children. A relatively new variation in
Keep Young and Beautiful (Dad's Army) actually white ceiling paint mixed with gum arabic. When Mainwaring learns of the drastic measures that Frazer, Jones and Godfrey have gone through in order to stay in the platoon, he does not approve, but states that "it's too late to do anything about it now." After the inspection, in which none of the Home Guard members were selected to join the ARP, it begins to rain heavily, causing the make-up on the three soldiers' faces to run. Keep Young and Beautiful (Dad's Army) Keep Young and Beautiful is the title of the second episode of the fifth series of