• White in Minutes 16% Carbamide Peroxide Teeth Whitening Gel refill featuring a 10mL whitening gel syringe and retail package on a light gray background. Low Sensitivity 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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16% Carbamide Peroxide Teeth Whitening Gel Refill

16% Carbamide Peroxide Teeth Whitening Gel Refill

$19.00 USD
$19.00 USD
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Whitening gel for sensitive teeth

White in Minutes® 16% Carbamide Peroxide Whitening Gel is our gentlest carbamide peroxide formula, designed for gradual whitening with a sensitivity-conscious approach.

Each 10 mL syringe provides approximately 6 to 8 applications. Choose a single syringe for personal use or select 5, 10, 50, or 100 packs for professional, wholesale, or high-volume needs.

Best uses for 16% carbamide peroxide whitening gel

16% carbamide peroxide is a versatile option for people who want a lower-strength whitening formula without giving up effective stain removal. It is especially well suited for:

  • First-time teeth whitening
  • Sensitivity-conscious whitening routines
  • Longer or overnight tray wear
  • Maintenance whitening between stronger treatments
  • Take-home whitening offered by dental or beauty professionals
  • Customers who prefer gradual whitening rather than a higher-intensity formula

For professional and higher-volume needs, this gel is available in 5-, 10-, 50-, and 100-pack options in addition to the single 10 mL syringe.

Compare our carbamide peroxide gel strengths

Whitening Goal 16% CP 22% CP 35% CP 44% CP
First-time whitening ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐ ⭐⭐⭐ ⭐
Sensitivity-conscious whitening ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐ ⭐⭐ ⭐
Longer or overnight tray wear ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐⭐ ⭐⭐⭐ ⭐⭐
Whitening maintenance ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐ ⭐⭐⭐
Faster whitening ⭐⭐ ⭐⭐⭐ ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐⭐
Moderate to heavy staining ⭐⭐ ⭐⭐⭐ ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐⭐
Experienced whitening users ⭐⭐⭐ ⭐⭐⭐⭐ ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐⭐

Why choose 16% carbamide peroxide whitening gel?

Not every smile needs the strongest whitening gel available. White in Minutes® 16% Carbamide Peroxide Gel is our gentlest carbamide peroxide formula, designed for gradual whitening with a sensitivity-conscious approach.

It is especially well suited for first-time whitening, people who have experienced sensitivity with stronger formulas, longer or overnight tray wear, and maintenance whitening after reaching a preferred shade.

16% carbamide peroxide is designed to:

  • Help remove everyday stains from coffee, tea, wine, soda, tobacco, and food
  • Provide a gentler whitening option than higher-strength formulas
  • Support gradual whitening during longer tray-wear sessions
  • Work with most professional and at-home whitening trays
  • Provide a lower-strength option for professional take-home whitening

For those who prefer a more gradual approach, 16% carbamide peroxide offers an effective alternative to higher-strength whitening gels without requiring a high-intensity formula.

How 16% carbamide peroxide works

Carbamide peroxide releases its whitening action gradually throughout the treatment session. This slower release makes it particularly well suited for tray-based whitening and longer wear times.

As the gel works, it helps break down discoloration caused by common staining habits such as coffee, tea, wine, tobacco, and everyday foods. Because 16% is a lower-strength carbamide peroxide formula, it can also be a useful starting point for people who are new to whitening or prefer a sensitivity-conscious approach.

Specifications

  • Volume: 10 mL
  • Formula: Carbamide Peroxide
  • Concentration: 16%
  • 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 or high-volume use. Volume pricing is automatically applied by pack size.

5-Pack
$16.00 per unit

10-Pack
$13.00 per unit

50-Pack
$11.00 per unit

100-Pack
$9.00 per unit

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 tray into mouth, press gently to teeth, recline and relax for 20-60 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

Expert Tips

If you're whitening for the first time, begin with shorter sessions and gradually increase wear time as your teeth adjust.

—

Whitening works best on clean teeth. Brush before each treatment to remove plaque and surface debris.

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Avoid overfilling your whitening trays. A thin bead of gel is typically all that's needed for even coverage.

—

If you experience temporary sensitivity, take a short break between treatments or use a desensitizing gel before your next session.

—

Consistency produces better long-term results than using a stronger gel less frequently.

FAQ's

Is 16% carbamide peroxide good for sensitive teeth?

Yes. 16% carbamide peroxide is one of the most popular whitening strengths for people with sensitive teeth because it provides gradual whitening while helping minimize the discomfort that some people experience with stronger formulas.

Is 16% carbamide peroxide strong enough to whiten teeth?

Yes. Although it whitens more gradually than higher concentrations, 16% carbamide peroxide is capable of producing noticeable whitening results when used consistently.

Who should choose 16% carbamide peroxide?

This formula is ideal for first-time whitening users, people with sensitive teeth, those maintaining previous whitening results, and anyone who prefers a gentler whitening routine.

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.

Does 16% carbamide peroxide work with LED whitening lights?

Yes. This whitening gel is compatible with most LED whitening lights and whitening tray systems.

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.

Can I use this gel with my existing whitening trays?

Yes. It is compatible with most custom dental trays, universal whitening trays, and many boil-and-bite whitening trays.

What's the difference between 16% and 35% carbamide peroxide?

The primary difference is whitening speed and intensity. While 35% carbamide peroxide generally produces faster results, 16% offers a gentler whitening experience that many people with sensitive teeth find more comfortable.

Can I buy 16% carbamide peroxide whitening gel in bulk?

Yes. This product is available in 1-, 5-, 10-, 50-, and 100-pack options, making it suitable for personal use, professional whitening businesses, and higher-volume purchasing.

Is 16% carbamide peroxide considered professional-strength whitening gel?

16% carbamide peroxide is commonly used in professional and take-home whitening applications. It offers a lower-strength option for users who prefer gradual whitening or are more sensitivity-conscious.

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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