Glass refers to the cup made of glass. It is usually made of high borosilicate glass, which is fired at a high temperature of more than 600 degrees. It is a new type of environment-friendly tea cup, which is increasingly favored by people. Although the glass is transparent and beautiful, it is not easy to preserve, and must be placed carefully. In fact, among all the cups made of materials, glass is the healthiest. Because the glass does not contain organic chemicals, when people drink water or other drinks from the glass, they need not worry about the harmful chemicals being drunk into the stomach, and the glass surface is smooth and easy to clean, so people drink water from the glass is the healthiest and safest. The glass cup should be cleaned immediately after use. If it is too troublesome, it should be cleaned at least once a day. It can be cleaned before going to bed at night and then dried.

When cleaning the cup, not only the mouth of the cup, but also the bottom and wall of the cup should not be ignored. Especially the bottom of the cup, which is not usually cleaned, may deposit a lot of bacteria and dirt. Professor Cai Chun particularly reminded female friends that lipstick not only contains chemical components, but also is very easy to absorb harmful substances and pathogens in the air. When drinking water, harmful substances will be brought into the body, so the residual lipstick at the mouth of the cup must be cleaned. It is not enough to simply wash the cup with water. It is better to use a brush. In addition, as the important component of detergent is chemical synthetic agent, it should be used with caution, and it should be washed with clean water. If you want to clean a cup with a large amount of grease, dirt or tea stain, you can squeeze toothpaste on the brush and brush back and forth in the cup. As there are both detergents and very fine friction agents in the toothpaste, it is easy to wipe away the residual substances without damaging the cup body.