---
product_id: 597930728
title: "Opalescence 20% Teeth Whitening Refill Kit (2 Packs / 4 Syringes) Carbamide Peroxide. Made, Unflavored. Tooth Whitening Refill Syringes - B-5402-2"
brand: "ultradent"
price: "371 zł"
currency: PLN
in_stock: true
reviews_count: 5
category: "Ultradent"
url: https://www.desertcart.pl/products/597930728-opalescence-20-teeth-whitening-refill-kit-2-packs-4-syringes
store_origin: PL
region: Poland
---

# Up to 10 shades whiter in just 7 days 20% Carbamide Peroxide for pro-level whitening 4 syringes, 4.8 ml total for multiple treatments Opalescence 20% Teeth Whitening Refill Kit (2 Packs / 4 Syringes) Carbamide Peroxide. Made, Unflavored. Tooth Whitening Refill Syringes - B-5402-2

**Brand:** ultradent
**Price:** 371 zł
**Availability:** ✅ In Stock

## Summary

> ✨ Brighten your smile, boost your confidence — no dentist visit required! 🦷

## Quick Answers

- **What is this?** 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?** 371 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/597930728-opalescence-20-teeth-whitening-refill-kit-2-packs-4-syringes)

## 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 & Proven:** 50+ teeth whitening awards and 100 million smiles brightened worldwide
- • **Clean & Conscious Care:** Gluten-free, kosher, vegan, and sweetened with cavity-fighting xylitol
- • **Customizable & Compatible:** Works seamlessly with Invisalign, retainers & custom trays
- • **Gentle Yet Powerful Formula:** 20% carbamide peroxide with 20% water to prevent dehydration and sensitivity
- • **Professional-Grade Whitening at Home:** Trusted by 25,000+ dental pros with 30+ years of expertise

## Overview

ULTRADENT Opalescence 20% Teeth Whitening Refill Kit delivers professional-level whitening with 20% carbamide peroxide gel in easy-to-use syringes. Compatible with Invisalign and custom trays, it whitens teeth up to 10 shades in 7 days while maintaining enamel hydration and minimizing sensitivity. Certified gluten-free, kosher, and vegan, this award-winning formula is trusted by over 25,000 dental professionals and has brightened 100 million smiles globally.

## 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, little to no sensitivity
Review: 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 |
| ASIN  | B00517M974 |
| Age Range Description | Adult |
| Best Sellers Rank | #70,834 in Health ( See Top 100 in Health ) #90 in Teeth Whitening Kits |
| Brand | ULTRADENT |
| Customer Reviews | 3.8 3.8 out of 5 stars (46) |
| Customer reviews | 3.8 3.8 out of 5 stars (46) |
| Date First Available | 11 March 2023 |
| Format | Gel |
| Item model number  | 5402 |
| Manufacturer  | Ultradent |
| Package Dimensions  | 17.4 x 7.49 x 5 cm; 32 g |
| Units | 4.8 Milliliters |

## 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 (2 Packs / 4 Syringes) Carbamide Peroxide. Made, 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

### ⭐⭐⭐⭐⭐ Review
*by R***K on 19 May 2025*

Great results, little to no sensitivity

### ⭐⭐⭐⭐⭐ Review
*by ر***ي on 26 February 2025*

ممتاز ✅وصلني مغلق زين

### ⭐⭐⭐⭐⭐ Review
*by E***H on 7 September 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.

## 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 Poland*
*Store origin: PL*
*Last updated: 2026-02-03*