--- product_id: 11417009 title: "Opalescence 35% Teeth Whitening Gel Refill Syringes, with PF (4ct) - 5405-2 | 35% Carbamide Peroxide Whitening Gel for Custom Trays. Low-Sensitivity Formula, Unflavored, Dentist Developed Made in USA." brand: "opalescence" price: "$72.24" currency: USD in_stock: true category: "Opalescence" url: https://www.desertcart.us/products/11417009-opalescence-35-teeth-whitening-gel-refill-syringes-with-pf-4ct store_origin: US region: United States of America --- # 35% Carbamide Peroxide - rapid whitening 4 x 1.2mL syringes - precise, mess-free application Potassium Nitrate & Fluoride - sensitivity support Opalescence 35% Teeth Whitening Gel Refill Syringes, with PF (4ct) - 5405-2 | 35% Carbamide Peroxide Whitening Gel for Custom Trays. Low-Sensitivity Formula, Unflavored, Dentist Developed Made in USA. **Brand:** opalescence **Price:** $72.24 **Availability:** ✅ In Stock ## Summary > ✨ Brighten your smile, not your sensitivity! 🦷 ## Quick Answers - **What is this?** Opalescence 35% Teeth Whitening Gel Refill Syringes, with PF (4ct) - 5405-2 | 35% Carbamide Peroxide Whitening Gel for Custom Trays. Low-Sensitivity Formula, Unflavored, Dentist Developed Made in USA. by opalescence - **How much does it cost?** $72.24 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/11417009-opalescence-35-teeth-whitening-gel-refill-syringes-with-pf-4ct) ## 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 - • **Custom Tray Compatibility:** Designed for seamless use with your dentist-made trays, retainers, or clear aligners—no LED lights or extra gadgets needed. - • **Stay-Put Thick Gel Formula:** Viscous gel ensures maximum contact with teeth while preventing migration onto gums, delivering targeted stain removal from coffee, wine, and more. - • **Clean, Conscious & Certified:** Vegan, gluten-free, kosher, and sweetened with xylitol to support oral health—made in the USA with 30+ years of whitening expertise. - • **Comfort-First Low Sensitivity:** Infused with potassium nitrate and fluoride to minimize discomfort, so you can whiten confidently without the usual sensitivity. - • **Professional-Grade Whitening Power:** Achieve up to 10 shades whiter teeth in just 7 days with a potent 35% carbamide peroxide formula trusted by 25,000+ dentists. ## Overview Opalescence 35% Teeth Whitening Gel offers a professional-strength, low-sensitivity whitening experience with 4 easy-to-use syringes. Its potent carbamide peroxide formula delivers fast, noticeable results in just one week, while potassium nitrate and fluoride reduce sensitivity. Compatible with custom trays and free from harsh additives, this vegan, gluten-free, and kosher gel is crafted in the USA and trusted by thousands of dental professionals. ## Description desertcart.com: Opalescence 35% Teeth Whitening Gel Refill Syringes, with PF (4ct) - 5405-2 | 35% Carbamide Peroxide Whitening Gel for Custom Trays. Low-Sensitivity Formula, Unflavored, Dentist Developed Made in USA. : Health & Household ## Features - PROFESSIONAL-LEVEL TEETH WHITENING: Opalescence 35% Carbamide Peroxide Whitening Gel delivers professional-quality whitening from the comfort of home. 4 Refill Unflavored syringes, each containing 1.2 mL of whitening gel, for use with properly fitted teeth whitening trays. - FAST RESULTS WITH SENSITIVITY SUPPORT: The 35% carbamide peroxide formula is designed for shorter daily applications of 30–60 minutes when used as directed. It contains potassium nitrate and fluoride to support patient comfort and help reduce tooth sensitivity during the whitening process. It may whiten teeth by up to 10 shades in 7 days, with results varying by starting shade, stain type, and frequency of use. - CONVENIENT AT-HOME WHITENING: No LED whitening light is needed or recommended. The easy-delivery syringes dispense gel directly into compatible custom whitening trays, dentist-made trays, retainers, or suitable clear aligners, including Invisalign. Trays are not included. - WORKS ON DISCOLORED TEETH: The thick whitening gel is designed to remain in place inside a properly fitted tray and help minimize migration onto the gums and other soft tissues. It helps lift stains caused by coffee, tea, wine, soda, smoking, and other common sources of tooth discoloration. - TRUSTED OPALESCENCE QUALITY: Vegan, certified gluten-free, kosher, and sweetened with xylitol, which may help reduce the risk of tooth decay. Made in the USA by Ultradent Products using globally sourced materials. Backed by over 30 years of whitening expertise, 50+ teeth-whitening awards, more than 100 million smiles whitened, and recommended by over 25,000 dental professionals. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B009F9A6AG | | ASIN | B009F9A6AG | | Active Ingredients | Carbamide Peroxide | | Age Range Description | Adult | | Best Sellers Rank | #75,022 in Health & Household ( See Top 100 in Health & Household ) #64 in Teeth Whitening Gels | | Brand Name | Opalescence | | Customer Reviews | 4.6 4.6 out of 5 stars (186) | | Date First Available | September 22, 2012 | | Flavor | Unflavored | | Included Components | Teeth Whitening Gel | | Item Dimensions | 6 x 3.5 x 1 inches | | Item Form | Gel | | Item model number | 5405-US-4PK | | Manufacturer | Ultradent | | Manufacturer | Ultradent | | Manufacturer Part Number | 5773 5772 5771 | | Material Features | Vegan | | Material Type Free | Fluoride Free | | Model Number | 5405-US-4PK | | Number of Items | 4 | | Product Benefits | Effective Teeth Whitening, Multiple Concentration Options, Sensitivity-Friendly Whitening, Customizable Wear Time, Professional-Grade Formula, Dentist-Developed, Enamel-Conscious Whitening, Sticky Viscous Gel, Helps Minimize Gel Migration, Easy Syringe Application, Compatible With Custom Whitening Trays, Xylitol-Enhanced Formula, Vegan, Certified Gluten-Free, Kosher, Made in the USA, Available in … | | Product Dimensions | 6 x 3.5 x 1 inches; 1.45 ounces | | UPC | 883205038661 | ## Product Details - **Active Ingredients:** Carbamide Peroxide - **Brand:** Opalescence - **Item Form:** Gel - **Number of Items:** 4 ## Images ![Opalescence 35% Teeth Whitening Gel Refill Syringes, with PF (4ct) - 5405-2 | 35% Carbamide Peroxide Whitening Gel for Custom Trays. Low-Sensitivity Formula, Unflavored, Dentist Developed Made in USA. - Image 1](https://m.media-amazon.com/images/I/51gfBrNRChL.jpg) ![Opalescence 35% Teeth Whitening Gel Refill Syringes, with PF (4ct) - 5405-2 | 35% Carbamide Peroxide Whitening Gel for Custom Trays. Low-Sensitivity Formula, Unflavored, Dentist Developed Made in USA. - Image 2](https://m.media-amazon.com/images/I/614-DjlqObL.jpg) ![Opalescence 35% Teeth Whitening Gel Refill Syringes, with PF (4ct) - 5405-2 | 35% Carbamide Peroxide Whitening Gel for Custom Trays. Low-Sensitivity Formula, Unflavored, Dentist Developed Made in USA. - Image 3](https://m.media-amazon.com/images/I/71AyZWpVyuL.jpg) ![Opalescence 35% Teeth Whitening Gel Refill Syringes, with PF (4ct) - 5405-2 | 35% Carbamide Peroxide Whitening Gel for Custom Trays. Low-Sensitivity Formula, Unflavored, Dentist Developed Made in USA. - Image 4](https://m.media-amazon.com/images/I/51w3QSm-GWL.jpg) ![Opalescence 35% Teeth Whitening Gel Refill Syringes, with PF (4ct) - 5405-2 | 35% Carbamide Peroxide Whitening Gel for Custom Trays. Low-Sensitivity Formula, Unflavored, Dentist Developed Made in USA. - Image 5](https://m.media-amazon.com/images/I/51HfeZG2l7L.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: Does the Opalescence unflavored 35% 4 pack (1 count) for $39.99 actually have 4 syringes? The description is unclear.** A: Yes. The ones I have had actually has 4 packs. **Q: What is the expiry date ?** A: im sure each batch would have its own exp date. might be good for 6 months or a year. keep it in the fridge and it will last longer **Q: what is the expiration date?** A: 2020-8.31 ## Frequently Bought Together - Opalescence 35% PF Teeth (4 Syringes) Whitening Refill Kit Carbamide Peroxide. Made by Ultradent. Tooth Whitening Refill Syringes Unflavored A-5197-2 - Whiter Smile Labs Teeth Whitening Trays - BPA Free - Thin Moldable Mouth Trays Form Perfectly to Each Tooth (4 Trays) - Opalescence 45% Syringes Teeth Whitening Gel - with PF - (4 Syringes) Refill Kit Carbamide Peroxide. Made by Ultradent, in Mint Flavor. Tooth Whitening 5359-2 --- ## 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.us/products/11417009-opalescence-35-teeth-whitening-gel-refill-syringes-with-pf-4ct](https://www.desertcart.us/products/11417009-opalescence-35-teeth-whitening-gel-refill-syringes-with-pf-4ct) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-24*