---
product_id: 478078082
title: "Opalescence 20% Teeth Whitening Refill Kit (4 Syringes) Carbamide Peroxide. Made by Ultradent, Unflavored. Tooth Whitening Refill Syringes - B-5402-2"
brand: "ultradent"
price: "₩95453"
currency: KRW
in_stock: true
reviews_count: 10
category: "Ultradent"
url: https://www.desertcart.kr/products/478078082-opalescence-20-teeth-whitening-refill-kit-4-syringes-carbamide-peroxide
store_origin: KR
region: South Korea
---

# 2-4 Hours Daily Wear 20% Carbamide Peroxide Power Made in USA, Pro-Grade Quality Opalescence 20% Teeth Whitening Refill Kit (4 Syringes) Carbamide Peroxide. Made by Ultradent, Unflavored. Tooth Whitening Refill Syringes - B-5402-2

**Brand:** ultradent
**Price:** ₩95453
**Availability:** ✅ In Stock

## Summary

> ✨ Brighten Boldly, Smile Confidently 😁

## Quick Answers

- **What is this?** Opalescence 20% Teeth Whitening Refill Kit (4 Syringes) Carbamide Peroxide. Made by Ultradent, Unflavored. Tooth Whitening Refill Syringes - B-5402-2 by ultradent
- **How much does it cost?** ₩95453 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/478078082-opalescence-20-teeth-whitening-refill-kit-4-syringes-carbamide-peroxide)

## 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

- • **No LED, No Fuss:** Carbamide Peroxide gel works efficiently without the need for extra devices or lights.
- • **Custom Tray Compatible:** Seamlessly fits Invisalign, retainers, and custom trays for a tailored whitening experience.
- • **Pro-Level Whitening at Home:** Achieve up to 10 shades whiter in just 7 days without leaving your couch.
- • **Trusted by 25,000+ Dentists:** Backed by 30+ years of expertise and 50+ industry awards—join 100 million bright smiles.
- • **Gentle Yet Effective Formula:** Xylitol-sweetened, gluten-free, and kosher gel minimizes sensitivity and supports dental health.

## Overview

Opalescence 20% Teeth Whitening Refill Kit delivers professional-grade whitening with a potent carbamide peroxide formula designed for 2-4 hours daily use. Compatible with custom dental trays and Invisalign, this USA-made, award-winning gel lifts stubborn stains while minimizing sensitivity thanks to its xylitol-sweetened, gluten-free formula. Trusted by thousands of dental pros and millions of users, it offers a convenient, no-LED, at-home whitening solution that brightens teeth up to 10 shades in just one week.

## 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 - Great results, little to no sensitivity
Review: Only ones - These are the only tooth whiteners that I use. At one time, I could not find them on desertcart and tried a different brand. It was awful. If you want your teeth whiten and not have an awful taste or film in your mouth after taking your tray out, you got to try these. They’re the only brand to use.

## 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 |
| Best Sellers Rank | #340,094 in Health & Household ( See Top 100 in Health & Household ) #390 in Teeth Whitening Kits |
| Customer Reviews | 3.8 3.8 out of 5 stars (48) |
| Date First Available  | November 24, 2011 |
| Item model number  | 5402 |
| Manufacturer  | Ultradent |
| Package Dimensions  | 6.85 x 2.95 x 1.97 inches; 1.13 ounces |

## Product Details

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

## Images

![Opalescence 20% Teeth Whitening Refill Kit (4 Syringes) Carbamide Peroxide. Made by Ultradent, Unflavored. Tooth Whitening Refill Syringes - B-5402-2 - Image 1](https://m.media-amazon.com/images/I/51NMLZrPy3L.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 May 19, 2025*

Great results, little to no sensitivity

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

These are the only tooth whiteners that I use. At one time, I could not find them on Amazon and tried a different brand. It was awful. If you want your teeth whiten and not have an awful taste or film in your mouth after taking your tray out, you got to try these. They’re the only brand to use.

### ⭐ Broken
*by D***H on May 18, 2025*

The syringe broke on 2 of them, gonna try 3rd one later. Would not buy again.

## 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 South Korea*
*Store origin: KR*
*Last updated: 2026-02-27*