How long is the shelf life of toothpaste? What are the dangers of expired toothpaste?

Toothpaste is a very common product on the market. Everyone uses it every day. At the same time, we all know that all products on the market have a certain shelf life. So how long is the shelf life of toothpaste? What are the hazards of expired toothpaste?

What is the shelf life of toothpaste?

Toothpaste has a shelf life, generally 1-3 years. Generally, toothpaste has a longer shelf life. There are two main types of ingredients in toothpaste. Toothpaste has a shelf life because the chemicals contained in it will undergo chemical reactions after being stored for a certain period of time. Especially for toothpaste that has been opened, it is best to use it up within one or two months. Toothpaste is an auxiliary product for brushing teeth. It has the effect of friction, removing plaque, cleaning and polishing tooth surfaces, and refreshing the mouth. In addition, the longer a tube of toothpaste is used, the more opportunities it has to be exposed to the air, and the greater the chance of contact with bacteria. There are two major types of ingredients in toothpaste: one is used to clean the tooth surface, mechanically clean the tooth surface, such as abrasives, foaming agents, moisturizers, etc.; the other is the chemical ingredients related to special functions in functional toothpaste.

What are the dangers of expired toothpaste?

Expired toothpaste is not harmful to the human body, but it is still not recommended to use it. The chemical substances or preservatives contained in toothpaste will change after the expiration date. First of all, they can no longer play the original protective and cleaning role of toothpaste. Secondly, it is easy to cause bacteria to grow, so there is no need to use expired toothpaste. Normally, the shelf life of toothpaste is ten months, and it is recommended to use it within the shelf life. If this continues for a long time, it is best to check whether it is serious. If it is expired toothpaste, it can only be used for other purposes. Toothpaste can also have other functions. For example, when the skin is broken due to trauma, toothpaste can be applied to the wound to reduce inflammation and stop bleeding. When stung by a bee, toothpaste can also be applied to the sting. Toothpaste can also be applied to relieve itching after being bitten by a mosquito.

What are the magical uses of toothpaste?

1. Wipe the surface of stainless steel utensils with toothpaste to make them look as bright as new.

2. To remove tea stains and coffee stains left in enamel tea cups, apply toothpaste on the inner wall of the cup and scrub it repeatedly. It will be as bright as new in a short while.

3. Rust and scale are easily left under the faucet. Apply toothpaste and scrub it, and it can be cleaned quickly.

4. The reflector of the flashlight will turn black over time. You can make it as bright as new by wiping it gently with a piece of gauze dipped in a little toothpaste.

5. Remove scratches on the watch surface. Apply a little toothpaste on the watch surface and wipe it repeatedly with a soft cloth to remove small scratches.

What do the color bars on toothpaste mean?

The color of the bottom of the toothpaste is automatically filled on the assembly line, and the tail seal is monitored by the electronic eye. That is the point for the electronic eye to scan. When it scans that point, it is sealed at that position. Therefore, all the color bars of toothpaste are at the seal position. Common colors are black, red, blue, and green. This has nothing to do with the ingredients of toothpaste. Toothpaste is a common cleaning product in daily life and has a long history. With the continuous development of science and technology, the continuous improvement and perfection of process equipment, various types of toothpaste have been launched one after another, and the quality and grade of products have been continuously improved. Now the variety of toothpaste has developed from a single cleaning toothpaste to a full range of multifunctional toothpastes with diverse functions and hundreds of brands, meeting the needs of different levels of consumption.