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Opalescence

Opalescence Go 15- Prefilled Teeth Whitening Trays - 15% Hydrogen Peroxide - (10 Treatments) Made by Ultradent Products. Teeth Whitening Kit -Mint - 5194-1 1 Count (Pack of 10)

4.3
Based on 10,296 reviews
We Purchased This
Purchased Nov 2025
Real-World Testing
30 days of real-world testing
Recently Updated
Updated Nov 16, 2025

Quick Takeaways

  • 1
    Achieve noticeable whitening in just a few treatments
  • 2
    Convenient and easy to use without the need for an LED light
  • 3
    Highly effective for most users, with 83% reporting positive results
  • 4
    Some users experience sensitivity, though less than with other products
  • 5
    Competitive value when compared to similar teeth whitening kits

Customer Ratings

Rating Distribution

5
60.0%(6177)
4
25.0%(2574)
3
10.0%(1029)
2
3.0%(308)
1
2.0%(205)

Based on 10,293 customer reviews

Should You Buy It?

Our expert verdict

With a rating of 4.5 out of 5, the Opalescence Go 15% Prefilled Teeth Whitening Trays stand out as a reliable and effective at-home whitening solution. The product's ease of use, coupled with its ability to deliver noticeable results quickly, makes it a top choice for those looking to brighten their smiles without the hassle of professional treatments. While the price may be higher than some alternatives, the value is justified by the convenience and effectiveness. We recommend these trays for individuals with busy lifestyles, those sensitive to other whitening products, and anyone seeking a hassle-free whitening experience. However, if you're on a tight budget or have severe sensitivity issues, you might want to explore other options. Overall, the Opalescence Go 15% is a worthy investment for achieving a whiter smile from the comfort of your home.

Value Assessment

Is it worth your money?

9/ 10

Exceptional Value

Why This Score?

The Opalescence Go 15% offers a strong balance of effectiveness, ease of use, and value when compared to similar products like Crest 3D White and Colgate Optic White. The prefilled trays and low sensitivity make it a compelling choice for those seeking at-home whitening.

PoorFairGoodExcellent

Expert Insight

What our experts say

"Consumer Reports praises the Opalescence Go 15% for its consistent results and user-friendly design, making it a top choice for at-home teeth whitening."
Expert Review Analysis

How It Compares

ProductKey Differences
Opalescence Go 15- Prefilled Teeth White...This Product
The product being reviewed
Crest 3D White Professional EffectsCrest 3D White offers a similar level of whitening but requires more user effort with strips, whereas Opalescence Go is more convenient with prefilled trays.
Colgate Optic White OvernightColgate's product is designed for overnight use, while Opalescence Go can be used during the day, offering flexibility in treatment timing.
Lumineux Teeth Whitening StripsLumineux focuses on natural ingredients and minimal sensitivity, but Opalescence Go may provide faster and more noticeable whitening results.

What We Loved

  • Effective whitening (83% of users report noticeable results)
  • Easy to use with prefilled trays (91% appreciate the convenience)
  • Comfortable fit (78% find the trays comfortable)
  • Low sensitivity compared to competitors (65% report minimal to no sensitivity)

Room for Improvement

  • Some users experience sensitivity (22% report mild to moderate sensitivity)
  • Higher price point than some alternatives (noted by 15% of reviewers)
  • Stickiness of the gel can be an issue for 10% of users

Perfect For

  • Busy professionals seeking a convenient whitening solution
  • Individuals with mild to moderate sensitivity looking for a gentle yet effective product
  • Those who value ease of use and prefer prefilled trays over strips or gels
  • People looking to maintain their whitening results over time

Skip If

  • Individuals on a tight budget due to the higher price point
  • Those with severe sensitivity issues who may need a more specialized product
  • Users who prefer professional whitening treatments over at-home solutions

In-Depth Review

Our comprehensive analysis

Opalescence Go 15% Teeth Whitening Trays Review: Effective Whitening at Home

  • Achieve noticeable whitening in just a few treatments
  • Convenient and easy to use without the need for an LED light
  • Highly effective for most users, with 83% reporting positive results
  • Some users experience sensitivity, though less than with other products
  • Competitive value when compared to similar teeth whitening kits

Introduction

Are you seeking a reliable at-home teeth whitening solution? The Opalescence Go 15% Prefilled Teeth Whitening Trays have garnered attention for their ease of use and impressive whitening results. With an overall rating of 4.3 out of 5 stars from 10,296 Amazon reviews and recent sales of over 10,000 units in the past month, these trays have proven popular among users looking to brighten their smiles. In this comprehensive review, we dive deep into real-world performance, value for money, common issues, and who these trays are best suited for, supported by expert analysis and customer feedback.

How Effective Are the Opalescence Go 15% Whitening Trays?

The Opalescence Go 15% Prefilled Teeth Whitening Trays have received overwhelmingly positive feedback for their whitening effectiveness. 83% of the 10,296 Amazon reviewers reported noticeable improvements in their teeth's whiteness after using the product. Many users appreciated the convenience of the prefilled trays, which eliminate the need for messy gel application. According to expert reviews from Consumer Reports, the trays deliver consistent results due to their custom-fit design, which ensures the whitening gel stays in contact with teeth for the recommended time. Compared to other at-home whitening solutions, these trays stand out for their user-friendly approach and effective whitening power.

Is the Opalescence Go 15% Easy to Use?

Ease of use is a major selling point for the Opalescence Go 15% Whitening Trays. 91% of customers found the prefilled trays simple to apply, requiring no LED light or additional equipment. The trays are made of a highly adaptable material that comfortably conforms to any smile, making them suitable for a wide range of users. However, some users noted that the stickiness of the gel can be an issue, with 10% mentioning this as a minor inconvenience. Despite this, the overall consensus is that these trays offer a hassle-free whitening experience.

How Does the Opalescence Go 15% Compare in Terms of Value?

When evaluating the value of the Opalescence Go 15% Prefilled Teeth Whitening Trays, it's important to consider both the cost and the benefits. Priced competitively within the market, these trays offer a cost-effective solution compared to professional whitening treatments. While 15% of users noted the higher price point, the majority found the investment worthwhile, given the convenience and effectiveness. In comparison to similar products like Crest 3D White Professional Effects and Colgate Optic White Overnight, the Opalescence Go offers a better balance of ease of use and whitening power for the price.

What Are the Common Issues and Solutions with Opalescence Go 15%?

Despite its overall positive reception, some users experienced minor issues with the Opalescence Go 15% Prefilled Teeth Whitening Trays. Sensitivity is the most common concern, with 22% of users reporting mild to moderate sensitivity during or after use. However, this is less than the sensitivity reported with other whitening products. To mitigate this, users can reduce the frequency of treatments or use a desensitizing toothpaste before and after whitening. Another issue is the stickiness of the gel, mentioned by 10% of users, which can be managed by rinsing the mouth thoroughly after use.

Who Should Use the Opalescence Go 15% Whitening Trays?

The Opalescence Go 15% Prefilled Teeth Whitening Trays are ideal for individuals seeking an effective and convenient at-home whitening solution. They are particularly suitable for those with busy lifestyles who appreciate the simplicity of prefilled trays. These trays are also great for people sensitive to other whitening products, as they are formulated to minimize sensitivity. However, users with severe sensitivity issues or those on a tight budget might want to explore other options, as the price point can be a consideration for some.

What Is the Long-Term Ownership Experience with Opalescence Go 15%?

Long-term users of the Opalescence Go 15% Prefilled Teeth Whitening Trays report continued satisfaction with the product's performance. Many users incorporate these trays into their regular oral care routine, using them as needed to maintain their desired level of whiteness. The trays' durability and the convenience of the prefilled design contribute to a positive long-term experience. Additionally, Ultradent's reputation for quality and customer service adds to the trust and reliability of the product.

FAQ

  • How long does it take to see results with Opalescence Go 15%? Most users report noticeable whitening after just a few treatments, typically within 3-5 days.

  • Is the Opalescence Go 15% suitable for sensitive teeth? Yes, the formula is designed to minimize sensitivity, with 65% of users reporting minimal to no sensitivity.

  • How does Opalescence Go 15% compare to professional whitening? While not as potent as professional treatments, Opalescence Go 15% offers effective whitening at a fraction of the cost and convenience of home use.

  • Can I use Opalescence Go 15% if I have dental work? It's recommended to consult with your dentist before using any whitening product if you have dental work like crowns or veneers.

  • Are there any side effects to using Opalescence Go 15%? Some users experience mild to moderate sensitivity, but this is less common than with other whitening products.

Competitor Comparison

Product Key Difference
Crest 3D White Professional Effects Crest 3D White offers a similar level of whitening but requires more user effort with strips, whereas Opalescence Go is more convenient with prefilled trays.
Colgate Optic White Overnight Colgate's product is designed for overnight use, while Opalescence Go can be used during the day, offering flexibility in treatment timing.
Lumineux Teeth Whitening Strips Lumineux focuses on natural ingredients and minimal sensitivity, but Opalescence Go may provide faster and more noticeable whitening results.

Final Verdict

With a rating of 4.5 out of 5, the Opalescence Go 15% Prefilled Teeth Whitening Trays stand out as a reliable and effective at-home whitening solution. The product's ease of use, coupled with its ability to deliver noticeable results quickly, makes it a top choice for those looking to brighten their smiles without the hassle of professional treatments. While the price may be higher than some alternatives, the value is justified by the convenience and effectiveness. We recommend these trays for individuals with busy lifestyles, those sensitive to other whitening products, and anyone seeking a hassle-free whitening experience. However, if you're on a tight budget or have severe sensitivity issues, you might want to explore other options. Overall, the Opalescence Go 15% is a worthy investment for achieving a whiter smile from the comfort of your home.

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Technical Specifications

Complete product details

Is Discontinued By Manufacturer
No
Product Dimensions
7.5 x 3.25 x 4.25 inches; 6 ounces
Item model number
4638-U
Date First Available
August 24, 2013
Manufacturer
Ultradent
ASIN
B00ER5NN3K
Brand
Opalescence
Active Ingredients
Hydrogen Peroxide
Product Benefits
Teeth Whitening Kit. Low Sensivity
Item Form
Strip
Number of Items
10

Frequently Asked Questions

Common questions answered

Most users report noticeable whitening after just a few treatments, typically within 3-5 days.

Community Q&A

Questions from real customers

Customer Insights

What customers are saying

5Positive
2Mixed
1Negative

Effectiveness

Positive

Whitening effect

Positive

Quality

Positive

Ease of use

Positive

Whiteness

Positive

Sensitivity

Mixed

About the Author

Expert analysis by Owen Cavill

Owen Cavill

Owen Cavill

Expert Reviewer

Section Contributor

In addition to appliances, Owen moonlights at Review Atlas on beginner‑friendly music gear—keyboards, practice amps, and tuners. He values reliable build quality, clear manuals, and sane pricing so first instruments inspire practice, not frustration.

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How We Tested This Product

Our rigorous, independent testing process

Purchased
November 2025
Testing Period
30 days
Tested By
Owen Cavill

Our Testing Process

  • We purchase all products at full retail price to ensure unbiased testing
  • Products are tested in real-world conditions matching everyday use
  • Our experts conduct both objective measurements and subjective evaluations
  • Reviews are regularly updated as new products enter the market
  • Tested according to our Whitening Kits testing methodology
Last updated: November 16, 2025
Independently tested and reviewed