Discover the Best Over the Counter Teeth Whitener Strips by Double White

Our teeth whitening powder has a stable shelf life, backed by scientific analysis and clinical trials to ensure effectiveness.

It depends on market needs. Our engineers develop new products regularly based on feedback and research.

Our product formulas mainly include various active ingredients such as hydrogen peroxide, sodium chlorite and PAP.

Yes, we cooperate with a number of well-known logistics companies to ensure the timeliness and reliability of logistics and distribution services and provide you with a satisfactory distribution experience.

The best teeth whitening method depends on your goals and sensitivities. Here's a rundown of some popular options:

• In-office laser whitening: This is the most effective method, providing dramatic results in a single appointment. However, it's also the most expensive option.

• At-home whitening strips: These are a convenient and affordable option that can whiten your teeth in a few weeks. However, they may not be as effective as in-office whitening, and they can cause some tooth sensitivity.

• Whitening toothpaste: These toothpastes contain mild abrasives or chemicals that can help remove surface stains. However, they won't whiten your teeth as dramatically as other methods.

Here are some additional things to consider:

• Your teeth sensitivity: If you have sensitive teeth, you may want to choose a whitening method that is specifically designed for sensitive teeth, such as a toothpaste with a low concentration of peroxide.
• The severity of your stains: If you have only mild staining, you may be able to achieve good results with an at-home whitening method. However, if you have severe staining, you may need to see a dentist for professional whitening.

It's always best to talk to your dentist before starting any teeth whitening treatment. They can help you choose the right method for your needs and ensure that it's safe for your teeth.