1. The green logo of toothpaste is used to locate and identify the end of the product in the process of toothpaste production, regardless of the composition of the product.

2. The color code at the end of the toothpaste hose is used for positioning induction of the sealing machine, and the color code depends on the packaging design of the toothpaste hose. The ingredients of each toothpaste will be slightly different, but there is no pure natural and pure chemical classification, and the raw materials used can only meet the specifications of the raw materials used for toothpaste.