--- product_id: 478078082 title: "ULTRADENT Opalescence 20% Teeth Whitening Refill Kit (4 Syringes) Carbamide Peroxide. Made by Ultradent, Unflavored. Tooth Whitening Refill Syringes - B-5402-2" brand: "ultradent" price: "€ 74.97" currency: EUR in_stock: true category: "Ultradent" url: https://www.desertcart.hr/products/478078082-ultradent-opalescence-20-teeth-whitening-refill-kit-4-syringes-carbamide store_origin: HR region: Croatia --- # Up to 10 Shades Whiter in 7 Days 20% Carbamide Peroxide Power 4 Syringes for Multiple Treatments ULTRADENT Opalescence 20% Teeth Whitening Refill Kit (4 Syringes) Carbamide Peroxide. Made by Ultradent, Unflavored. Tooth Whitening Refill Syringes - B-5402-2 **Brand:** ultradent **Price:** € 74.97 **Availability:** ✅ In Stock ## Summary > ✨ Brighten your smile, boost your confidence, skip the dentist visit! 🦷 ## Quick Answers - **What is this?** ULTRADENT 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?** € 74.97 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/478078082-ultradent-opalescence-20-teeth-whitening-refill-kit-4-syringes-carbamide) ## 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 Light Needed:** Effortless whitening with gel that works on its own—no extra gadgets required. - • **Clean & Conscious Choice:** Vegan, gluten-free, kosher certified—whiten with confidence and care. - • **Customizable & Compatible:** Fits Invisalign, retainers, and custom trays for a seamless whitening experience. - • **Long-Lasting & Gentle Formula:** 20% water content prevents dehydration; xylitol sweetened to protect enamel. - • **Professional-Grade Whitening at Home:** Trusted by 25,000+ dental pros and 100M+ smiles brightened. ## Overview Opalescence 20% Teeth Whitening Refill Kit delivers professional-level whitening with carbamide peroxide gel in 4 easy-to-use syringes. Designed for use with custom trays, it whitens teeth up to 10 shades in just 7 days without the need for LED lights. The formula is enriched with 20% water to prevent dehydration, sweetened with xylitol to reduce decay risk, and is vegan, gluten-free, and kosher certified. Recommended by over 25,000 dental professionals and backed by 30+ years of expertise, this refill kit offers a safe, effective, and convenient at-home whitening solution. ## 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 ## 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 | | Active Ingredients | Carbamide Peroxide | | Age Range Description | Adult | | Best Sellers Rank | #150,857 in Health & Household ( See Top 100 in Health & Household ) #140 in Teeth Whitening Kits | | Brand Name | ULTRADENT | | Customer Reviews | 4.0 4.0 out of 5 stars (51) | | Date First Available | November 24, 2011 | | Flavor | Unflavored | | Global Trade Identification Number | 00883205039651 | | Included Components | Syringe, Gel | | Item Form | Gel | | Item Weight | 0.03 Kilograms | | Item model number | 5402 | | Manufacturer | Ultradent | | Manufacturer | Ultradent | | Manufacturer Part Number | 5402 | | Material Features | Vegan, Gluten Free, Kosher | | Material Type Free | Gluten Free | | Model Number | 5402 | | Number of Items | 4 | | Package Dimensions | 6.85 x 2.95 x 1.97 inches; 1.13 ounces | | Product Benefits | Teeth Whitening Treatment | | UPC | 883205039651 | | Unit Count | 4 Count | ## 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 (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) ![ULTRADENT Opalescence 20% Teeth Whitening Refill Kit (4 Syringes) Carbamide Peroxide. Made by Ultradent, Unflavored. Tooth Whitening Refill Syringes - B-5402-2 - Image 2](https://m.media-amazon.com/images/I/61KMT44DEWL.jpg) ![ULTRADENT Opalescence 20% Teeth Whitening Refill Kit (4 Syringes) Carbamide Peroxide. Made by Ultradent, Unflavored. Tooth Whitening Refill Syringes - B-5402-2 - Image 3](https://m.media-amazon.com/images/I/71eK8yzlnqL.jpg) ![ULTRADENT Opalescence 20% Teeth Whitening Refill Kit (4 Syringes) Carbamide Peroxide. Made by Ultradent, 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 (4 Syringes) Carbamide Peroxide. Made by Ultradent, Unflavored. Tooth Whitening Refill Syringes - B-5402-2 - Image 5](https://m.media-amazon.com/images/I/818MshB0VFL.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. ## 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/478078082-ultradent-opalescence-20-teeth-whitening-refill-kit-4-syringes-carbamide](https://www.desertcart.hr/products/478078082-ultradent-opalescence-20-teeth-whitening-refill-kit-4-syringes-carbamide) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-14*