---
product_id: 7672230
title: "10% Teeth Whitening Gel Refill Syringes, (8ct) 5211-4 | 10% Carbamide Peroxide Mint Whitening Gel for Custom Trays. Low-Sensitivity Formula, Dentist Developed and Made in USA."
brand: "opalescence"
price: "€ 136.03"
currency: EUR
in_stock: true
category: "Opalescence"
url: https://www.desertcart.hr/products/7672230-10-teeth-whitening-gel-refill-syringes-8ct-5211-4-10
store_origin: HR
region: Croatia
---

# 8-10 hours wear time - all-day whitening 10% Carbamide Peroxide - potent whitening Made in USA - trusted quality 10% Teeth Whitening Gel Refill Syringes, (8ct) 5211-4 | 10% Carbamide Peroxide Mint Whitening Gel for Custom Trays. Low-Sensitivity Formula, Dentist Developed and Made in USA.

**Brand:** opalescence
**Price:** € 136.03
**Availability:** ✅ In Stock

## Summary

> ✨ Brighten Boldly, Smile Confidently 🦷

## Quick Answers

- **What is this?** 10% Teeth Whitening Gel Refill Syringes, (8ct) 5211-4 | 10% Carbamide Peroxide Mint Whitening Gel for Custom Trays. Low-Sensitivity Formula, Dentist Developed and Made in USA. by opalescence
- **How much does it cost?** € 136.03 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/7672230-10-teeth-whitening-gel-refill-syringes-8ct-5211-4-10)

## Best For

- opalescence enthusiasts

## Why This Product

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

## Key Features

- • **Gentle on Sensitivity:** Low-sensitivity formula with no LED light needed, perfect for daily use without discomfort or enamel damage.
- • **Clean & Safe Ingredients:** Gluten-free, kosher, and sweetened with xylitol to help reduce tooth decay while whitening effectively.
- • **Seamless Tray Compatibility:** Designed for custom trays, Invisalign, aligners, and retainers—whiten effortlessly with your existing dental gear.
- • **Dentist-Recommended & Trusted:** Endorsed by 25,000+ dental professionals and used by 100 million smiles worldwide—join the elite whitening movement.
- • **Professional-Level Whitening at Home:** Leverage 30+ years of dental expertise and 50+ awards to brighten your smile by up to 10 shades in just 7 days.

## Overview

Opalescence 10% Teeth Whitening Gel offers a professional-grade, dentist-developed whitening experience with a low-sensitivity, mint-flavored formula. Made in the USA, this 8-syringe refill pack uses 10% carbamide peroxide to safely whiten teeth up to 10 shades in 7 days, compatible with custom trays and aligners, and sweetened with xylitol for added dental care.

## Description

desertcart.com: Opalescence 10% Teeth Whitening Gel Refill Syringes, (8ct) 5211-4 | 10% Carbamide Peroxide Mint Whitening Gel for Custom Trays. Low-Sensitivity Formula, Dentist Developed and Made in USA. : Health & Household

## Features

- PROFESSIONAL LEVEL TEETH WHITENING: 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.
- SENSITIVITY-FRIENDLY 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 10 Percent for 8-10 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 8 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 | B000CRJB7O |
| ASIN  | B000CRJB7O |
| Active Ingredients | Carbamide Peroxide |
| Age Range Description | Adult |
| Best Sellers Rank | #58,648 in Health & Household ( See Top 100 in Health & Household ) #47 in Teeth Whitening Gels |
| Brand Name | Opalescence |
| Customer Reviews | 4.5 4.5 out of 5 stars (395) |
| Flavor | Mint 10 |
| Included Components | Carbamide Peroxide |
| Item Dimensions | 4 x 6.5 x 2.5 inches |
| Item Form | Gel |
| Item Weight | 170 g |
| Item model number  | 5394-US-8PK |
| Manufacturer | Ultradent |
| Manufacturer  | Ultradent |
| Manufacturer Part Number | 5394-US-8PK |
| Material Type Free | Gluten Free |
| Model Number | 5394-US-8PK |
| Product Benefits | Dentist Created Formula, Enamel Protection, No LED Light Required, Nonabrasive Whitening, Professional Level Teeth Whitening, Sensitivity Control |
| Product Dimensions  | 4 x 6.5 x 2.5 inches; 6 ounces |
| Set Name | Opalescence 10% Teeth Whitening Kit |
| UPC | 610563544882 883205038692 |
| UPC  | 610563544882 883205038692 |
| Unit Count | 8 Count |

## Product Details

- **Active Ingredients:** Carbamide Peroxide
- **Brand:** Opalescence
- **Item Form:** Gel
- **Material Type Free:** Gluten Free

## Images

![10% Teeth Whitening Gel Refill Syringes, (8ct) 5211-4 | 10% Carbamide Peroxide Mint Whitening Gel for Custom Trays. Low-Sensitivity Formula, Dentist Developed and Made in USA. - Image 1](https://m.media-amazon.com/images/I/61yxi6IhdAL.jpg)

## Questions & Answers

**Q: Can you tell what the expiration date is on this particular item?**
A: 8-2018

**Q: what are the expiration date for the 10% whitening syringe ? thanks**
A: Oct 31, 2021

**Q: I called opalesssence oct 4 2021 & asked if they sold their product on amazon and i was told they do not. are you claiming this product is authentic ?**
A: iServe is Ultradent’s authorized seller on Amazon. All Ultradent/Opalescence items purchased through iServe are authentic products. If you ever have a concern with an Ultradent/Opalescence product received from iServe please contact us directly. This information can be confirmed by contacting Ultradent directly at 888-230-1420.

**Q: Is the expiration date still 8/2018 ?**
A: I'm sorry, I don't know, I can' t find an expiration date of the package.

## Frequently Bought Together

- Opalescence PF 10% Teeth Whitening 8pk (Latest Product)
- Opalescence Whitening Toothpaste - Pack of 1 - Fluoride Oral Care - 4.7 Oz - Cool Mint - TP-5166-1

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**Shop now:** [https://www.desertcart.hr/products/7672230-10-teeth-whitening-gel-refill-syringes-8ct-5211-4-10](https://www.desertcart.hr/products/7672230-10-teeth-whitening-gel-refill-syringes-8ct-5211-4-10)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-08-17*