---
product_id: 597930728
title: "ULTRADENT Opalescence 20% Teeth Whitening Refill Kit (2 Packs / 4 Syringes) Carbamide Peroxide. Made, Unflavored. Tooth Whitening Refill Syringes - B-5402-2"
brand: "ultradent"
price: "700 kr"
currency: DKK
in_stock: false
reviews_count: 5
category: "Ultradent"
url: https://www.desertcart.dk/products/597930728-ultradent-opalescence-20-teeth-whitening-refill-kit-2-packs-4
store_origin: DK
region: Denmark
---

# Whiten up to 10 shades in 7 days 20% Carbamide Peroxide Power Compatible with Invisalign & custom trays ULTRADENT Opalescence 20% Teeth Whitening Refill Kit (2 Packs / 4 Syringes) Carbamide Peroxide. Made, Unflavored. Tooth Whitening Refill Syringes - B-5402-2

**Brand:** ultradent
**Price:** 700 kr
**Availability:** ❌ Out of Stock

## Summary

> ✨ Brighten Boldly, Smile Confidently 😁

## Quick Answers

- **What is this?** ULTRADENT Opalescence 20% Teeth Whitening Refill Kit (2 Packs / 4 Syringes) Carbamide Peroxide. Made, Unflavored. Tooth Whitening Refill Syringes - B-5402-2 by ultradent
- **How much does it cost?** 700 kr with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/597930728-ultradent-opalescence-20-teeth-whitening-refill-kit-2-packs-4)

## Best For

- ultradent enthusiasts

## Why This Product

- Trusted ultradent brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Award-Winning Trust:** Backed by 30+ years of expertise, 50+ awards, and recommended by 25,000+ dental pros worldwide.
- • **Tray-Friendly Formula:** Sticky, viscous gel stays put in Invisalign, retainers, or custom trays for maximum effectiveness.
- • **Fast & Visible Results:** Brighten your smile up to 10 shades in just one week—because waiting is so last year.
- • **Health-Conscious & Clean:** Gluten-free, vegan, and sweetened with xylitol to protect your enamel and reduce decay risk.
- • **Professional-Grade Whitening Power:** Experience dentist-level results from the comfort of your home with 20% carbamide peroxide gel.

## Overview

ULTRADENT Opalescence 20% Teeth Whitening Refill Kit delivers professional-level whitening with a potent carbamide peroxide formula that whitens teeth up to 10 shades in 7 days. Designed for use with custom trays including Invisalign, its sticky gel ensures secure application without LED lights. This gluten-free, vegan, and xylitol-sweetened gel is trusted by dental professionals and backed by decades of award-winning innovation.

## Description

For use with customized take-home whitening trays, Opalescence PF tooth whitening gel offers many options for patients. With its easy syringe delivery, Opalescence PF whitening gel is easily customizable for each patient’s individual situation. The gel contains 20% water to prevent dehydration, and the sticky, viscous formula helps keep the gel and tray in place. With five concentrations and three flavors, patients can completely customize their whitening experience. Opalescence tooth whitening gel contains PF (potassium nitrate and fluoride) Opalescence is effective in helping reduce shade relapse as compared to competitor tooth bleaching products. Opalescence whitening gel is made up of at least 20% water which helps prevent dehydration. Five concentrations for treatment flexibility Day or night wear Sticky, viscous gel won’t migrate to soft tissues and ensures tray stays securely in place Vegan—no animal products used Certified gluten free Certified kosher

Review: Great results
Review: الجودة والتغليف - ممتاز ✅وصلني مغلق زين

## Features

- PROFESSIONAL LEVEL TEETH WHITENING: Opal by Opalescence - A teeth Whitening Experience in the comfort of your home. With over 30 years of expertise, 50+ Teeth Whitening Awards, and 100 million smiles brightened.
- DELUXE OPAL BY OPALESCENCE LINE: NO LED Light Needed or Recommended. Carbamide Peroxide Gel-filled Syringes for efficient tooth whitening and easy delivery to teeth whitening trays. Compatible with Invisalign trays, aligners, retainers, and custom dental trays (none included).
- OPALESCENCE TEETH WHITENING GEL: Opalescence Teeth Whitening 20 Percent for 2-4 Hours a day wear, can whiten teeth up to 10 shades in 7 days. Lifts stains from coffee, wine, soda, smoking, and more.
- DENTAL CARE: Teeth whitening gel refill pack includes 4x 1.2 ml Syringes, gluten-free, kosher, sweetened with xylitol, which may reduce the risk of tooth decay.
- MADE IN THE USA BY ULTRADENT PRODUCTS: Professional-level Whitening, recommended by over 25,000 Dental Professionals, with 50+ Teeth Whitening Awards and 100 million smiles brightened.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00517M974 |
| Active Ingredients | Carbamide Peroxide |
| Age Range Description | Adult |
| Best Sellers Rank | #77,630 in Health ( See Top 100 in Health ) #99 in Teeth Whitening Kits |
| Brand | ULTRADENT |
| Brand Name | ULTRADENT |
| Customer Reviews | 3.8 out of 5 stars 46 Reviews |
| Flavor | Unflavored |
| Global Trade Identification Number | 00883205039651 |
| Included Components | Syringe, Gel |
| Item Form | Gel |
| Item Weight | 0.03 Kilograms |
| Item form | Gel |
| Manufacturer | Ultradent |
| Material Features | Gluten Free |
| Material Type Free | Gluten Free |
| Material type free | Gluten Free |
| Number of Items | 4 |
| Product Benefits | Teeth Whitening Treatment |
| Product benefits | Teeth Whitening Treatment |
| UPC | 883205039651 |
| Unit Count | 4.8 Milliliters |

## Product Details

- **Active Ingredients:** Carbamide Peroxide
- **Brand:** ULTRADENT
- **Item form:** Gel
- **Number of Items:** 4
- **Product benefits:** Teeth Whitening Treatment

## Images

![ULTRADENT Opalescence 20% Teeth Whitening Refill Kit (2 Packs / 4 Syringes) Carbamide Peroxide. Made, Unflavored. Tooth Whitening Refill Syringes - B-5402-2 - Image 1](https://m.media-amazon.com/images/I/41mcUOM2JuL.jpg)
![ULTRADENT Opalescence 20% Teeth Whitening Refill Kit (2 Packs / 4 Syringes) Carbamide Peroxide. Made, Unflavored. Tooth Whitening Refill Syringes - B-5402-2 - Image 2](https://m.media-amazon.com/images/I/51NMLZrPy3L.jpg)
![ULTRADENT Opalescence 20% Teeth Whitening Refill Kit (2 Packs / 4 Syringes) Carbamide Peroxide. Made, Unflavored. Tooth Whitening Refill Syringes - B-5402-2 - Image 3](https://m.media-amazon.com/images/I/61KMT44DEWL.jpg)
![ULTRADENT Opalescence 20% Teeth Whitening Refill Kit (2 Packs / 4 Syringes) Carbamide Peroxide. Made, Unflavored. Tooth Whitening Refill Syringes - B-5402-2 - Image 4](https://m.media-amazon.com/images/I/71ca6kQ50aL.jpg)
![ULTRADENT Opalescence 20% Teeth Whitening Refill Kit (2 Packs / 4 Syringes) Carbamide Peroxide. Made, Unflavored. Tooth Whitening Refill Syringes - B-5402-2 - Image 5](https://m.media-amazon.com/images/I/71eK8yzlnqL.jpg)

## Questions & Answers

**Q: How long can you leave 20% on???**
A: I have no problem leaving it on 4-5 hours.  I moved up to 20% after years of using the 15% overnight.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great results
*by R***K on 19 May 2025*



### ⭐⭐⭐⭐⭐ الجودة والتغليف
*by ر***ي on 26 February 2025*

ممتاز ✅وصلني مغلق زين

### ⭐⭐⭐⭐⭐ Only ones
*by E***H on 7 September 2024*



## Frequently Bought Together

- ULTRADENT Opalescence 20% Teeth Whitening Refill Kit (2 Packs / 4 Syringes) Carbamide Peroxide. Made by Ultradent, Unflavored. Tooth Whitening Refill Syringes - B-5402-2
- Teeth Whitening Trays Moldable 4 Dental Trays 2 Retainer Case Teeth Trays for Tooth Whitening Gel Compatible with Opalescence Teeth Whitening Gel
- Opalescence 35% PF Teeth (4 Syringes) Whitening Refill Kit Carbamide Peroxide. Made by Ultradent. Tooth Whitening Refill Syringes Unflavored A-5197-2

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-07*