Cosmetic packaging glass materials are classified into wide-mouth bottles and narrow-mouth bottles. Solid pastes are generally used in wide-mouth bottles, which are suitable for aluminum or plastic caps. The caps can be used for color spraying and other effects; emulsion or water A narrow-mouthed bottle is generally used for the agent paste, and a pump head should be used. Pay attention to prevent the spring and ball from rusting. Now most pump heads are equipped with glass beads, which are usually used for the material test and applicable test. If the cover is equipped, an inner plug is required. , Liquid with small holes is the same as inner plug, thicker emulsion is matched with large hole inner plug.