Why Peel Strength Testing Matters in Whitening Strip Design
Discover why Peel Strength Testing is crucial in designing effective teeth whitening strips. This Double White video explains how peel strength ensures strip durability and optimal whitening performance. Watch now to learn how we achieve quality and comfort in every whitening strip.
Why Peel Strength Testing Matters in Whitening Strip Design
Before a whitening strip reaches your hands, it undergoes rigorous testing — including a peel strength evaluation.
This test simulates real-world usage by measuring how well the strip adheres to a surface and how cleanly it can be removed.
It helps us choose the right backing film and adhesive to ensure:
✔️ Secure application throughout use
✔️ No slipping or lifting
✔️ Gentle removal without residue
Interested in customizing your formula or backing film? We'd love to support your brand.
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Double-Barrel Whitening Gel for Professional Use
About After Sales Support
If I am not satisfied with the product, can I return it?
Yes, if you are not satisfied with our products, you can apply for a return within a certain return period. For specific return policies, please refer to our official website or contact our customer service team.
About Logistics
Does it support express delivery?
Yes, we support express delivery services. You can choose different delivery methods according to your needs, including ordinary express delivery and expedited express delivery.
Teeth Whitening Powder
How do I use the teeth whitening powder?
Wet your toothbrush, dip it into the powder, and brush your teeth for 2 minutes. Rinse thoroughly with water.
About Customized Services
I don’t have a designer, can you help with brand visuals?
Yes, our designers are happy to serve you.
About Product Choice
Can I customize special specifications or packaging?
Yes, we provide customized services, you can customize special specifications, packaging and private label etc. according to your needs.

HP Teeth Whitening Alcohol-free Strips HPNA-01
Discover Double White’s HP Teeth Whitening Alcohol-free Strips HPNA-01, the best teeth whitening strips designed for a brighter smile without irritation. Alcohol-free formula ensures gentle yet effective whitening. Achieve professional results safely and easily at home with these top-rated teeth whitening strips.

Dual barrel 35% Peroxide Dental Whitening Gel
Double White Dual Barrel 35% Peroxide Dental Whitening Gel delivers professional-grade teeth whitening with powerful, fast-acting formula. Designed for optimal results, this gel brightens your smile safely and effectively. Ideal for dental use, it ensures superior stain removal and lasting white teeth.

Hydrogen Peroxide Residue Free Teeth Whitening Strips RFHP01
Double White Hydrogen Peroxide Residue Free Teeth Whitening Strips RFHP01 deliver the best quick teeth whitening results without residue. These best teeth whitening strips offer safe, effective brightening for a confident smile. Experience one of the best teeth whitening products today.

HP Teeth Whitening Dry Strips
After the birth of gel strips, consumers have higher and higher requirements for the use of teeth strips. They need to be more docile and close, have better whitening effect, and have more flexible use time. Dry teeth strips have emerged as the times require, solving the problem of gel tooth strips. Problems such as sliding, short usage time, and poor experience occur during use.
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