--- product_id: 628174035 title: "Opalescence 35% Teeth Whitening Gel Refill Syringes, with PF (8ct) 5404-4" brand: "opalescence" price: "$132.59" currency: USD in_stock: true reviews_count: 9 category: "Opalescence" url: https://www.desertcart.us/products/628174035-opalescence-35-teeth-whitening-gel-refill-syringes-with-pf-8ct store_origin: US region: United States of America --- # 35% Carbamide Peroxide for rapid whitening 30-60 min daily application time Potassium nitrate & fluoride reduce sensitivity Opalescence 35% Teeth Whitening Gel Refill Syringes, with PF (8ct) 5404-4 **Brand:** opalescence **Price:** $132.59 **Availability:** ✅ In Stock ## Summary > ✨ Brighten your smile, not your schedule! ⏱️ ## Quick Answers - **What is this?** Opalescence 35% Teeth Whitening Gel Refill Syringes, with PF (8ct) 5404-4 by opalescence - **How much does it cost?** $132.59 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/628174035-opalescence-35-teeth-whitening-gel-refill-syringes-with-pf-8ct) ## 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 - • **Mess-Free Precision:** Thick gel stays put in custom trays, preventing gum irritation and maximizing stain removal from coffee, wine, and more. - • **Comfort-First Formula:** Infused with potassium nitrate and fluoride to minimize sensitivity and protect enamel during whitening. - • **Clean & Conscious Choice:** Vegan, gluten-free, xylitol-sweetened, and made in the USA with 30+ years of trusted dental expertise. - • **Pro-Grade Whitening Power:** Achieve up to 10 shades whiter in just 7 days with a potent 35% carbamide peroxide formula. - • **Fast & Efficient Treatment:** Short 30-60 minute sessions fit perfectly into your busy lifestyle—no all-day trays needed. ## Overview Opalescence 35% Teeth Whitening Gel offers professional-level whitening at home with a fast-acting, low-sensitivity formula. Delivered in 8 easy-to-use syringes, this melon-flavored gel whitens teeth up to 10 shades in 7 days using 35% carbamide peroxide, while potassium nitrate and fluoride help reduce sensitivity. Designed for custom trays, it stays in place to lift tough stains from coffee, tea, and smoking. Vegan, gluten-free, and backed by over 30 years of dental expertise, it’s the smart choice for busy professionals seeking a radiant smile without the hassle. ## Description desertcart.com: Opalescence 35% Teeth Whitening Gel Refill Syringes, with PF (8ct) 5404-4 | 35% Carbamide Peroxide Whitening Gel for Custom Trays. Low-Sensitivity Formula, Melon, Dentist Developed and Made in USA. : Health & Household Review: ⭐⭐⭐⭐⭐ Highly Recommend! - I was honestly impressed with the results. I noticed a visible difference after just my first 1-hour session. The whitening was noticeable right away, and my teeth looked brighter without having to wear the trays all day. I experienced only minor sensitivity, which was actually less than the 10% gel my dentist previously prescribed. I was never even given the option to try a higher concentration, and I’m glad I found this instead. The biggest advantage is the treatment time. One hour is perfect. Ain’t nobody got time to wear whitening trays for 6–8 hours! This 35% gel gets the job done much faster while still being comfortable. If you’re looking for professional-looking results at home with minimal sensitivity and a convenient treatment time, I definitely recommend giving this a try. I’ll be buying it again. Review: Online purchase great price - Great for whitening! ## Features - PROFESSIONAL-LEVEL TEETH WHITENING: Opalescence 35% Carbamide Peroxide Whitening Gel delivers professional-quality whitening from the comfort of home. Includes 8 refill syringes, Melon Flavor, 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 | B0D3S799XD | | Active Ingredients | Carbamide Peroxide | | Age Range Description | Adult, teens | | Best Sellers Rank | #61,849 in Health & Household ( See Top 100 in Health & Household ) #48 in Teeth Whitening Gels | | Brand | Opalescence | | Brand Name | Opalescence | | Customer Reviews | 4.5 out of 5 stars 211 Reviews | | Flavor | Mint | | Included Components | Applicator | | Item Form | Gel | | Item Highlight | 35% Carbamide Peroxide Whitening Gel for Custom Trays. Low-Sensitivity Formula, Melon, Dentist Developed and Made in USA. | | Manufacturer | Ultradent | | Manufacturer Part Number | Melon-35-Syringes-4 | | Material Features | Gluten Free, Vegan | | Material Type Free | Gluten Free | | Number of Items | 8 | | Product Benefits | Dentist Created Formula, Enamel Protection, Fast Treatment, No LED Light Required, Nonabrasive Whitening, Professional Level Teeth Whitening Product Benefits Dentist Created Formula, Enamel Protection, Fast Treatment, No LED Light Required, Nonabrasive Whitening, Professional Level Teeth Whitening See more | | Set Name | Pack of 8 | | UPC | 883205039927 | ## Product Details - **Active Ingredients:** Carbamide Peroxide - **Brand:** Opalescence - **Item Form:** Gel - **Number of Items:** 8 ## Images ![Opalescence 35% Teeth Whitening Gel Refill Syringes, with PF (8ct) 5404-4 - Image 1](https://m.media-amazon.com/images/I/71w1VuN2tpL.jpg) ![Opalescence 35% Teeth Whitening Gel Refill Syringes, with PF (8ct) 5404-4 - Image 2](https://m.media-amazon.com/images/I/51nkro4h4eL.jpg) ![Opalescence 35% Teeth Whitening Gel Refill Syringes, with PF (8ct) 5404-4 - Image 3](https://m.media-amazon.com/images/I/612dFO+m9rL.jpg) ![Opalescence 35% Teeth Whitening Gel Refill Syringes, with PF (8ct) 5404-4 - Image 4](https://m.media-amazon.com/images/I/61lygrtKqdL.jpg) ![Opalescence 35% Teeth Whitening Gel Refill Syringes, with PF (8ct) 5404-4 - Image 5](https://m.media-amazon.com/images/I/61oTBEnaoNL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐⭐ Highly Recommend! *by O***O on July 12, 2026* I was honestly impressed with the results. I noticed a visible difference after just my first 1-hour session. The whitening was noticeable right away, and my teeth looked brighter without having to wear the trays all day. I experienced only minor sensitivity, which was actually less than the 10% gel my dentist previously prescribed. I was never even given the option to try a higher concentration, and I’m glad I found this instead. The biggest advantage is the treatment time. One hour is perfect. Ain’t nobody got time to wear whitening trays for 6–8 hours! This 35% gel gets the job done much faster while still being comfortable. If you’re looking for professional-looking results at home with minimal sensitivity and a convenient treatment time, I definitely recommend giving this a try. I’ll be buying it again. ### ⭐⭐⭐⭐⭐ Online purchase great price *by L***D on August 21, 2026* Great for whitening! ### ⭐⭐⭐⭐⭐ Great product! *by S***E on May 19, 2026* Great product, really does a great job at whitening your teeth and the white lasts long just like treatment at a whitening center. Does make your gumline a lil tender so be careful not to let it sit on your gums. Overall glad I got it great product. Does it's job well ## Frequently Bought Together - Opalescence 35% with PF Gel Syringes Teeth Whitening - (4 Packs / 8 Syringes) Refill Kit Carbamide Peroxide. Made by Ultradent, in Melon Flavor. Tooth Whitening Refill Syringes 5404-4 - Whiter Smile Labs Teeth Whitening Trays - BPA Free - Thin Moldable Mouth Trays Form Perfectly to Each Tooth (4 Trays) --- ## 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/628174035-opalescence-35-teeth-whitening-gel-refill-syringes-with-pf-8ct](https://www.desertcart.us/products/628174035-opalescence-35-teeth-whitening-gel-refill-syringes-with-pf-8ct) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-09-10*