Bleaching Tooth Strips: Formula Science & Custom Options

Industry News

Industry News

Home > News > Industry News > Bleaching Tooth Strips: Formula Science & Custom Options

Bleaching Tooth Strips: Formula Science & Custom Options

05 May 25.

It can be tough to choose the right bleaching strips. You may wonder why certain strips have a faster whitening effect but hurt my teeth. The key here is the chocolate balance: hydrogen peroxide (HP) and carbamide peroxide (CP) must be balanced and made to global safety standards. It is also personalized for regions or sensitivity.

HP whitens quickly but risks irritation. CP breaks into HP slowly, reducing sensitivity. Europe has a 0.1% OTC HP limit, but the U.S. CP is 10%.


Bleaching Tooth Strips: Formula Science


Determining the Formula: Active Ingredients and Ratios


Choosing the right ingredients for bleaching tooth strips involves a balance between strength and safety. Let’s begin by seeing how hydrogen peroxide and carbamide peroxide work, and alternatives for sensitive users.


Hydrogen Peroxide vs. Carbamide Peroxide

The most common oxidizing agent in whitening strips is hydrogen peroxide (HP) because it breaks down stains quickly. However, higher concentrations can irritate gums. Carbamide peroxide is a more gentle option. When CP breaks down, it releases hydrogen peroxide slowly over time. Urea helps reduce sensitivity. For example, a 10% CP formula equals about 3.6% HP. The slow release of CP makes it popular for those with tooth sensitivity.


Balancing Efficacy and Safety

When making strips, formulators need to keep in mind the three essential factors mentioned above, which ensure that the strips whiten teeth without harming them.

First, contact time matters. Most whitening strips will stay on teeth for 30-60 minutes to give the oxidizing agents time to work.

In addition, to keep the formula stable, the pH levels should stay between 5 and 6.5.

Third, they have a moisture-retaining agent such as glycerin, which prevents the mouth from drying out, and potassium nitrate, which blocks the pain signals of sensitive teeth. 6% HP strips whiten faster than 3% but can cause intermittent irritation with correct use.


Non-Peroxide Alternatives

There is stain removal for those who do not want to use hydrogen peroxide anymore like the new PAP+. The PAP+ bleaches stains through oxygenation, like HP, but is less likely to cause sensitivity. Natural substances, such as bromelain from pineapples, are now trending. These enzymes help to dissolve surface stains gently, making them a good choice for sensitive consumers or markets such as Japan and Korea, where gentler products are preferred.


Global Safety Standards and Regulations


Different regions’ formulations of bleaching tooth strips can be explained by the global regulation of these products. Let us see how safety and the number one choice differ in Europe, the US, and Asia.


European Union (EU)

In the EU, OTC products cannot have more than 0.1% HP. Anything stronger requires dental supervision. Labels must warn that it could irritate your mouth or gums. It is not safe to use if pregnant or who has gum disease. Many brands here are concentrating on natural labels and lower concentrations so that they meet strict safety regulations and consumer trends towards softer products.


United States (USA)

The FDA allows these OTC strips with carbamide peroxide up to 10%, which is the same as 3.6% H2O2. Products sold in dental offices can use higher doses. Before the product is launched on shelves, it undergoes testing by the FDA. Most American brands are fast-acting but use potassium nitrate to lessen sensitivity risk.


Asia

Asia’s rules vary widely. South Korea restricts HP to 3% in OTC products. Japan’s preference is for mild formulas, often peroxide-free. China prefers stronger strips to whiten teeth quickly. Compared to other countries, India does not have such stringent restrictions. Hence, various brands get the opportunity to experiment with higher HP levels. Faster, safer or natural? Why different ketchup taste different in different countries?


Customized Solutions for Regional Markets


Different areas call for different methods to make bleaching tooth strips based on rules and tastes. Take a look at how the formulas have adapted to meet local needs in Europe, North America, and Asia.


Europe: Gentle and Compliant

In Europe, the hydrogen peroxide level of OTC products is limited to 0.1% by EU safety standards. Brands typically utilize PAP+ substitutes to completely eliminate peroxide. Marketing concentrates on natural additives that are chamomile, aloe vera, etc to consumers, focusing on safety and eco-friendly ingredients. Labels show that fire-retardant safety regulations are being written.


North America: High-Efficacy Focus

In North America, stronger formulations are preferred. 10% carbamide peroxide (CP) is common. This delivers fast results but raises sensitivity risks. Brands incorporate desensitizers, such as potassium nitrate, in their formulations. These block signals that cause pain to reach the nerves inside the teeth. The packaging highlights clinical trials and professional-level results and is targeted towards consumers who want whitening without a dentist visit.


Asia: Diverse Demand

Asia’s markets vary sharply. Strips in China and India often contain up to 6% HP, besides herbal additives like green tea extract to remove stains faster. Japan and South Korea completely avoid peroxide, opting instead for enzymes or charcoal for gentle brightening. These preferences, which lean towards natural ingredients or quick solutions, reflect how regional needs drive product development.


Addressing Sensitivity: Gentle Formulations


For those who have sensitive teeth, bleaching tooth strips must find the right balance. Brands adapt their formulas and how to use them to reduce irritation while maintaining results.


Lower Peroxide Concentrations

Strips with 3% HP or 10% CP give a gentler whitening effect. They are usually paired with potassium nitrate, which numbs nerve endings, or with nano-hydroxyapatite, a mineral that repairs enamel micro-cracks. It reduces sensitivity while gradually helping to lift stains.


Peroxide-Free Innovations

Instead of HP altogether, Pap+ Strips uses oxidation to more slowly break down stains. Alternatives include activated charcoal for stain absorption and coconut oil for lightening stains. These options are suitable for users who prefer natural methods or cannot use peroxide.


Packaging Adjustments

Reducing contact time is key. Five to ten minutes applications ensure limited exposure of actives and lower risk of sensitisation. The instructions help the user attain gradual whiteness while avoiding overdose.


Onuge’s Customization Expertise

Onuge customizes its bleaching tooth strips to meet customer needs, offering a wide range, including peroxide-free and hydrogen peroxide. Adaptation to rules, sensitivities, and branding objectives and strategies.


Hydrogen Peroxide Strips

Onuge provides adjustable HP levels varying from 3% to 6% as per brand choice. The strips are calibrated to a neutral pH for best effect and infused with Aloe Vera for soothing benefits. This flexible approach allows for safe whitening to be utilized in North America, where higher HP is permitted, though sensitivity is a concern.


Peroxide-Free Options

In markets where HP is banned or users are sensitive, we offer products based on PAP+, enzymes, or silica. These strips may work slowly, yet do not cause irritation, they are ideal for the EU or Japan. Ingredients like papain enzymes that break down stains gently are in line with the demand for nonperoxide alternatives.


Tailored Branding Support

Onuge provides market-specific packaging showcasing the efficacy for the US or compliance of the EU or the natural claims of Asia. Their white-label services can create custom flavors (mint, citrus) and designs to suit local taste. Brands can emphasize their clinical results and eco-friendly materials to ensure that products are both safe and culturally relevant.


Conclusion


Scientific intricacies, safety considerations, and consumer acceptance have implications for the formulation of bleaching tooth strips. Onuge is focused on customization, whether that is using HP-based solutions for efficacy or peroxide-free alternatives for sensitivity to the global demand. If brands commit to regulatory compliance and innovative practices, they can create safe and effective whitening solutions that meet market needs.

Latest News
WeChat
WeChat

We use cookies

We use cookies and other tracking technologies to improve your browsing experience on our website, to show you personalized content and targeted ads, to analyze our website traffic, and to understand where our visitors are coming from.