• White in Minutes 44% Carbamide Peroxide Teeth Whitening Gel refill featuring a 10mL whitening gel syringe and retail package on a light gray background. Maximum Strength Formula, vegan, cruelty-free, made in USA, designed for custom whitening trays.
  • Before and after teeth whitening results on a woman showing visibly brighter, whiter teeth after use, with headline “Noticeably Brighter. Undeniably Confident.” and real results disclaimer.
  • Choose the Perfect Formula infographic showing four teeth whitening gel strengths: 16% sensitive, 22% balanced, 35% original, and 44% maximal, with benefits for sensitivity levels and whitening results.
  • White in Minutes whitening gel and LED whitening tray instructions infographic showing four steps: clean and dry teeth, apply a thin strip of whitening gel inside the front of the tray, insert the LED tray and wear for 20 to 60 minutes, then rinse with water, clean the tray and store it for the next use.
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44% Carbamide Peroxide Teeth Whitening Gel

44% Carbamide Peroxide Teeth Whitening Gel

$19.00 USD
$19.00 USD
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Ultra-strength teeth whitening gel for experienced whitening users

White in Minutes 44% Carbamide Peroxide Teeth Whitening Gel is our highest-strength carbamide peroxide whitening formula, designed for experienced whitening users and professionals seeking a higher-strength option for more intensive whitening.

Compatible with most whitening trays and LED whitening systems, each 10 mL syringe provides up to 10 whitening applications and is proudly manufactured in the USA.

Best uses for 44% carbamide peroxide whitening gel

White in Minutes® 44% Carbamide Peroxide Whitening Gel is our highest-strength carbamide peroxide formula and is best suited for experienced whitening users who are comfortable with stronger concentrations.

It is a good fit for:

  • Experienced whitening users
  • Moderate to heavy staining
  • Stains from coffee, tea, red wine, soda, tobacco, and everyday foods
  • Longer-term discoloration associated with aging
  • Shorter, higher-intensity whitening sessions
  • Maintenance for users already accustomed to stronger whitening gels
  • Professional or at-home tray whitening

If you are whitening for the first time, have sensitive teeth, or prefer a gentler approach, a lower-strength formula such as 16%, 22%, or 35% carbamide peroxide may be a better starting point.

How carbamide peroxide whitening gel works

Carbamide peroxide gradually breaks down and releases hydrogen peroxide during the whitening session. This slower release allows the whitening action to continue over time, which makes carbamide peroxide especially well suited for tray-based whitening.

As the gel works, it helps break down discoloration within the tooth surface rather than physically scrubbing stains away. Carbamide peroxide is available in multiple strengths, allowing users to choose a concentration based on whitening experience, sensitivity, and treatment goals.

44% carbamide peroxide is the highest-strength option in the White in Minutes® carbamide peroxide range and is best reserved for experienced whitening users who are comfortable with stronger formulas.

Product Specifications

Volume: 10 mL

Formula: Carbamide Peroxide

Concentration: 44%

Flavor: Peppermint

Shelf life: 12 months

Refrigeration required: No

Tray included: No

Country of manufacture: USA

White in Minutes Gel Features

  • Fluoride-Free
  • Vegan
  • Kosher
  • Gluten-Free
  • Cruelty-Free
  • Made in the USA

CP teeth whitening gel has a 12-month shelf life and can be kept in a cool, dark place.

Choose Your Pack Size

Start with a single 10 mL syringe or choose 5, 10, 50, or 100 packs for professional, wholesale, or high-volume use. Larger pack sizes offer a lower cost per syringe, with volume pricing automatically applied.

5-Pack
Ideal for smaller professional practices or occasional restocking.

10-Pack
A practical option for regular professional use.

50-Pack
Designed for established businesses with higher treatment volume.

100-Pack
Best suited for high-volume operations and bulk purchasing.

How To Use

  1. Apply a thin strip of whitening gel along the inner front surface of a whitening tray. Less is more!
  2. Place the tray over your teeth and gently press it into position. Start with a 15-minute session and increase wear time as tolerated, up to 60 minutes.
  3. When whitening session is complete, remove tray and swish with water. Clean excess gel from tray and store gel in pouch for next use.

Teeth whitening tray is NOT included with this product. Shop for complete home whitening kits HERE, and for mouth trays HERE. 

Teeth Whitening Gel Ingredients

Propylene Glycol, Glycerine, Carbamide Peroxide, d-Limonen, Peppermint.

View full details

Compare Carbamide Peroxide Strengths

Choose the concentration that best fits your whitening routine and sensitivity preferences.

Swipe to compare →

Strength Best Suited For Wear Time Sensitivity Potential
16% CP Sensitivity-conscious users and those who prefer a lower-strength formula Up to 60 minutes Lowest sensitivity potential in the range
22% CP Users wanting a balanced middle-strength formula Up to 60 minutes Moderate sensitivity potential
35% CP Experienced users wanting a stronger tray-whitening formula Start at 15 minutes; increase as tolerated up to 60 minutes Higher sensitivity potential
44% CP Experienced users seeking the highest-strength CP option Start at 15 minutes; increase as tolerated up to 60 minutes Highest sensitivity potential

Individual tolerance varies. Customers with a history of tooth or gum sensitivity may prefer a lower concentration.

Expert Tips

Start with a shorter, 15 minute wear time and increase gradually as tolerated, up to 60 minutes.

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Place only a small bead of gel in each tooth compartment to reduce overflow onto the gums.

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I gel reaches the gum line, wipe away promptly before continuing your whitening session.

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Clean your whitening trays thoroughly after every use to help extend their lifespan.

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Protect your results by limiting coffee, tea, wine, and tobacco during your whitening routine, and keep unused gel in a cool, dark place away from heat and direct sunlight.

FAQ's

Is 44% carbamide peroxide too strong for beginners?

Because 44% carbamide peroxide is our highest-strength whitening gel, we generally recommend it for experienced whitening users rather than first-time users. If you're new to teeth whitening or have a history of tooth sensitivity, a lower concentration such as 16%, 22%, or 35% carbamide peroxide may provide a more comfortable whitening experience.

How long should I leave 44% carbamide peroxide whitening gel on my teeth?

Treatment times typically range from 20 to 60 minutes, depending on your whitening goals, previous whitening experience, and tooth sensitivity. Always follow the directions provided with your whitening system, and discontinue use if you experience excessive discomfort or irritation.

Can I use 44% carbamide peroxide with an LED whitening light?

Yes. This whitening gel is compatible with most LED teeth whitening systems, although an LED light is not required for the gel to work. Carbamide peroxide gradually releases whitening oxygen throughout the treatment, making it effective with or without an LED whitening light.

How much whitening gel should I place in my tray?

Only a small bead of whitening gel is needed in each tooth compartment of your whitening tray. Using more gel will not whiten your teeth faster and may increase the amount of gel that comes into contact with your gums.

What types of stains does 44% carbamide peroxide help remove?

This formula is designed to help reduce many common types of extrinsic tooth stains, including discoloration caused by coffee, tea, red wine, tobacco, soda, and everyday aging. Results vary from person to person depending on the type and severity of staining.

How many whitening treatments are included in one syringe?

Each 10 mL syringe provides approximately 6 to 8 whitening applications, although the exact number will vary based on the size of your whitening trays and the amount of gel used during each treatment.

What should I do if my teeth become sensitive after whitening?

Temporary tooth sensitivity can occur after any teeth whitening treatment, particularly when using higher-strength whitening gels. If sensitivity develops, pause whitening until your teeth feel comfortable again. Many customers also choose to use a desensitizing gel or remineralizing gel between whitening sessions to help improve comfort before continuing treatment.

Shop Small. Smile Big.

Since 2012, we've proudly supplied high quality teeth whitening products to both consumers and dental professionals from our woman-owned, independently run small business. Our whitening gels are manufactured in FDA-certified facilities in the USA using carefully selected ingredients and are produced in small batches to help ensure freshness and consistency.

We believe beauty should be ethical, inclusive, and empowering. That's why we partner with diverse and responsible suppliers, never sell through big-box retailers, and remain committed to transparent business practices, equality, and exceptional customer care. Every order supports an independent business built on integrity, expertise, and the belief that your smile deserves genuine care from real people, not corporations.

Read More About Us
Smiling woman in a bright, modern bathroom featured in a Teeth Whitening Gel Strength Guide, helping readers choose the best whitening gel formula for their smile.

Choose the Right Whitening Gel Strength

Compare carbamide peroxide strengths, sensitivity considerations, wear times, and whitening goals in our complete gel strength guide.

Read The Guide

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