Does whitening teeth strips harm teeth? What are the ingredients of whitening teeth strips?

Whitening teeth strips are a very common product on the market. Many people have used them. We all know that whitening teeth strips can whiten teeth, but in fact they are also somewhat harmful. So, are whitening teeth strips harmful to teeth? What are the ingredients of teeth whitening strips?

Are whitening strips harmful to teeth?

Whitening strips mainly use the hydrogen peroxide in them to penetrate into the tooth enamel, causing the teeth to become whiter. The teeth are very fragile after being treated in this way. If the operation method is improper or the care after use is not adequate, it is likely to cause damage to the teeth. It may cause tooth sensitivity such as soreness, pain, sensitivity to cold, and even infection. Using regular whitening strips and following the instructions will not cause too much damage to your teeth in the short term, but it is not suitable for long-term use because the hydrogen peroxide in the whitening strips can cause teeth to be sensitive to hot and cold. Enamel is the strongest structure on the surface of teeth. Whitening agent peroxide can corrode enamel and destroy the protective layer of teeth. Over time, the enamel structure will be destroyed, making the tooth surface rough and even demineralized.

Ingredients of teeth whitening strips

Enamel is the strongest structure on the surface of teeth. Whitening agent peroxide can corrode enamel and destroy the protective layer of teeth. Over time, the enamel structure will be destroyed, making the tooth surface rough and even demineralized. In 2010, the European Union restricted the use of tooth whitening products containing hydrogen peroxide and other compounds or mixtures that release hydrogen peroxide, including carbamide peroxide and zinc oxide in cosmetics, in order to manage the use of hydrogen peroxide and other compounds or mixtures that release hydrogen peroxide, including carbamide peroxide and zinc oxide in cosmetics. The maximum concentration of hydrogen peroxide present or released in tooth whitening or bleaching products is 6%. After learning about the EU's restriction on the use of teeth whitening and bleaching products, the General Administration of Quality Supervision, Inspection and Quarantine stated that teeth whitening or bleaching products are widely used by consumers in developed countries such as Europe and the United States. In recent years, teeth whitening or bleaching products have also gradually entered the Chinese market. However, the phenomenon of improper use of teeth whitening in pursuit of teeth whitening effects or the side effects of bleaching products have become increasingly prominent and need to be taken seriously.

Should whitening strips be used before or after brushing your teeth?

It is generally recommended to use before brushing your teeth. Brushing teeth is to clean teeth through the friction between toothbrush and toothpaste. Although this will make the teeth look cleaner, it will remove the protective film on the surface of the teeth. Tooth strips bleach teeth through the oxidizing property of oxides, which are corrosive in themselves. If teeth do not have a protective film after brushing, they will be corroded by oxides, and staining and demineralization may occur. Therefore, tooth strips are generally recommended to be used before brushing teeth. After using the tooth strips, some gel and residue will remain on the surface of the teeth. If they are not cleaned in time, the teeth will continue to be corroded by strong oxidants. Over time, the enamel structure will be destroyed, affecting the health of the teeth themselves. It may cause the tooth surface to be rough or even demineralized. Therefore, it is recommended to clean the teeth within 4 hours after using the tooth strips.

Are teeth whitening strips permanent?

no. Generally, it will gradually turn yellow after half a year. After teeth whitening, teeth will still turn yellow. This is a natural phenomenon. Tear off the tooth sticker from the transparent film, stick it on the front of the teeth, stick it along the gum line, and press it lightly with your hands to ensure that the tooth sticker is close to the teeth. Fold the excess part of the tooth sticker to the back of the teeth to fix it. Thirty minutes each time, twice a day. However, most people will feel a sour feeling in their teeth after using it. Of course, it varies from person to person. You can stop using it for a while when your teeth feel sour. You can continue to use it later, two to three times a week.