--- product_id: 63992435 title: "45% Syringes Teeth Whitening Gel - with PF - (4 Syringes) Refill Kit Carbamide Peroxide. Made by Ultradent, in Mint Flavor. Tooth Whitening 5359-2" brand: "opalescence" price: "$80.10" currency: USD in_stock: true reviews_count: 10 category: "Opalescence" url: https://www.desertcart.us/products/63992435-45-syringes-teeth-whitening-gel-with-pf-4-syringes-refill store_origin: US region: United States of America --- # 15-30 min daily wear - Fast, efficient results 45% Carbamide Peroxide - Ultra-strong whitening Mint flavor + xylitol - Fresh & decay-reducing 45% Syringes Teeth Whitening Gel - with PF - (4 Syringes) Refill Kit Carbamide Peroxide. Made by Ultradent, in Mint Flavor. Tooth Whitening 5359-2 **Brand:** opalescence **Price:** $80.10 **Availability:** ✅ In Stock ## Summary > ✨ Brighten your smile, own the room! ✨ ## Quick Answers - **What is this?** 45% Syringes Teeth Whitening Gel - with PF - (4 Syringes) Refill Kit Carbamide Peroxide. Made by Ultradent, in Mint Flavor. Tooth Whitening 5359-2 by opalescence - **How much does it cost?** $80.10 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/63992435-45-syringes-teeth-whitening-gel-with-pf-4-syringes-refill) ## 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 - • **Trusted by Experts:** Endorsed by 25,000+ dental professionals and backed by 50+ industry awards. - • **Long-Lasting Supply:** Four 1.2 ml syringes provide up to six months of whitening with weekly use. - • **Gentle Yet Effective:** Mint-flavored gel sweetened with xylitol to reduce decay risk while keeping sensitivity minimal. - • **Effortless At-Home Use:** No LED light needed; compatible with Invisalign, retainers, and custom trays for seamless whitening. - • **Pro-Level Whitening Power:** 45% carbamide peroxide formula brightens teeth up to 10 shades in just 7 days. ## Overview Opalescence 45% Teeth Whitening Gel by Ultradent delivers professional-grade whitening with a potent carbamide peroxide formula. Designed for convenient at-home use without LED lights, it whitens teeth up to 10 shades in a week while being gentle on enamel thanks to its mint flavor and xylitol sweetener. Trusted by thousands of dental pros and awarded over 50 times, this refill kit includes four syringes compatible with most dental trays, offering a long-lasting, dentist-recommended solution for a dazzling smile. ## Description Whitening Toothpaste Visit the Store Whitening Toothpaste Visit the Store Sensitivity Toothpaste Visit the Store Sensitivity Toothpaste Whitening Trays Visit the Store Whitening Trays Whitening Refill Gel Syringes Visit the Store Whitening Refill Gel Syringes Click & Shop Opalescence Visit the Store Click & Shop Opalescence Review: Know what you are doing and you will get great results - This whitening gel is the same one I used to only be able to get through my dentist. I'm happy I can now buy this through desertcart. It whitens my teeth better than any other product out there. In the past, we had to buy teeth whitening trays from dentists. Now there are lots of options for inexpensive do-it-yourself trays that are just as good as the professional ones that will work perfectly with this gel. Be careful if you are not used to this type of whitener, 45% is very strong, so it should be left in place for a short time (the seller recommends 15-30 minutes). Trust me, that is long enough, and you will get good results without needing to go longer. And, make sure you do not let this sit for any time on your gums. As with any whitening gel, it will create a little ulcer if left too long. Remove the tray, wipe the gel off your gums and the corresponding area of the tray the minute you feel any burning, then put the tray back in. My dentist taught me to put only a small dot of gel at each tooth tip in the tray. Do not draw a line of gel along the inside of the trays; that's way too much gel, and do not place the gel dots at the top edge of the trays (where the gums are). Trust me, I've been whitening for many years. A little bit of gel goes a long way, and the gel will foam and cover your entire tooth surface. Four tubes of gel should last you approximately six months, even with weekly use. You also most likely do not need to whiten the tongue side of your teeth or your molars. Granted, there are a few folks who may want to. We've been told veneers cannot be whitened, but I have not found that to be false. My front teeth have had cosmetic work, and this gel does whiten them. There is a little bit of difference in the shade from my real teeth and the cosmetic work areas, but that is less obvious when I'm whitening on a regular basis. If the gel consistency isn't ideal, try storing the tubes in the refrigerator before use. At the very least, store the tubes there and store the one you're currently using at room temperature. Whitening gels can cause dental sensitivity; try brushing with a toothpaste for sensitive teeth, which will help with that. If you still have sensitivity, try their 10-35% gels. Review: Best whitener..and recommended by dentist! - These are the same syringes of teeth whitener given to me by my dentist...BUT half the price. Really whitening teeth. I maintain white by using once a month to 6 weeks. I ordered the teeth cleaning trays for husband ..and he uses it too. ## Features - HI 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. Inludes 2 packs with 2 Syringes each. - DELUXE 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 REFILL FOR TRAYS: Opalescence Teeth Whitening 45% Percent is worn for 15-30 minutes a day. If you have sensitive teeth, do not use it for more than 15 minutes every other day. It can whiten teeth up to 10 shades in 7 days, lifting stains from coffee, wine, soda, smoking, and more. - DENTAL CARE: Teeth whitening gel refill pack includes 4 x 1.2 ml Syringes, gluten-free, kosher, sweetened with xylitol, which may reduce the risk of tooth decay. Trays not included. - MADE IN THE USA BY ULTRADENT PRODUCTS: Recommended by over 25,000 Dental Professionals, with 50+ Teeth Whitening Awards and 100 million smiles brightened. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07CHCXR79 | | Active Ingredients | Carbamide Peroxide | | Age Range Description | Adult | | Best Sellers Rank | #9,832 in Health & Household ( See Top 100 in Health & Household ) #9 in Teeth Whitening Gels | | Brand | Opalescence | | Brand Name | Opalescence | | Customer Reviews | 4.5 out of 5 stars 1,571 Reviews | | Flavor | Mint 45 | | Included Components | Rifill Gel Syringes | | Item Dimensions | 2 x 6.5 x 2.5 inches | | Item Form | Gel | | Item Weight | 1.12 ounces | | Manufacturer | Ultradent | | Manufacturer Part Number | 5359-US | | Material Type Free | Artificial Sweetener Free | | Model Number | SG_B07CHCXR79_US | | Number of Items | 4 | | Product Benefits | Whitening | | Set Name | 4 Syringes | | UPC | 883205038890 | | Unit Count | 1.6 Fluid Ounces | ## Product Details - **Active Ingredients:** Carbamide Peroxide - **Brand:** Opalescence - **Item Form:** Gel - **Number of Items:** 4 - **Product Benefits:** Whitening ## Images ![45% Syringes Teeth Whitening Gel - with PF - (4 Syringes) Refill Kit Carbamide Peroxide. Made by Ultradent, in Mint Flavor. Tooth Whitening 5359-2 - Image 1](https://m.media-amazon.com/images/I/71vAOMSUesL.jpg) ![45% Syringes Teeth Whitening Gel - with PF - (4 Syringes) Refill Kit Carbamide Peroxide. Made by Ultradent, in Mint Flavor. Tooth Whitening 5359-2 - Image 2](https://m.media-amazon.com/images/I/71D87uFKOOL.jpg) ![45% Syringes Teeth Whitening Gel - with PF - (4 Syringes) Refill Kit Carbamide Peroxide. Made by Ultradent, in Mint Flavor. Tooth Whitening 5359-2 - Image 3](https://m.media-amazon.com/images/I/71yw-HXUC4L.jpg) ![45% Syringes Teeth Whitening Gel - with PF - (4 Syringes) Refill Kit Carbamide Peroxide. Made by Ultradent, in Mint Flavor. Tooth Whitening 5359-2 - Image 4](https://m.media-amazon.com/images/I/719E-W+F3vL.jpg) ![45% Syringes Teeth Whitening Gel - with PF - (4 Syringes) Refill Kit Carbamide Peroxide. Made by Ultradent, in Mint Flavor. Tooth Whitening 5359-2 - Image 5](https://m.media-amazon.com/images/I/71IfSX74igL.jpg) ## Available Options This product comes in different **Size, Flavor** options. ## Questions & Answers **Q: Are these syringes the exact same ones as the ones someone else asked about one year ago? Bc if they are they expired 2 months ago** A: I bought mine last year and they worked great. Just like what I purchased from the dentist. They may be new ones. I’d ask the seller. **Q: The product description in the title reads, “opalescence quick rf 45%” instead of pf 45%”. Is “RF” a typo? Is this authentic opalescence PF 45%??** A: It must be a typo in the ad. I just looked at the actual packaging I received from my order and it says PF. It's in opalescence packaging and long before the expiration date. I've order this from this seller several times and never disappointed. **Q: %45 is this the highest strength** A: Not sure, but this was the strength my dentist recommended, anything stronger makes your teeth more sensative **Q: is this 45% the same manufacture as the 35%?** A: Yes! ## Customer Reviews ### ⭐⭐⭐⭐⭐ Know what you are doing and you will get great results *by D***A on October 30, 2025* This whitening gel is the same one I used to only be able to get through my dentist. I'm happy I can now buy this through Amazon. It whitens my teeth better than any other product out there. In the past, we had to buy teeth whitening trays from dentists. Now there are lots of options for inexpensive do-it-yourself trays that are just as good as the professional ones that will work perfectly with this gel. Be careful if you are not used to this type of whitener, 45% is very strong, so it should be left in place for a short time (the seller recommends 15-30 minutes). Trust me, that is long enough, and you will get good results without needing to go longer. And, make sure you do not let this sit for any time on your gums. As with any whitening gel, it will create a little ulcer if left too long. Remove the tray, wipe the gel off your gums and the corresponding area of the tray the minute you feel any burning, then put the tray back in. My dentist taught me to put only a small dot of gel at each tooth tip in the tray. Do not draw a line of gel along the inside of the trays; that's way too much gel, and do not place the gel dots at the top edge of the trays (where the gums are). Trust me, I've been whitening for many years. A little bit of gel goes a long way, and the gel will foam and cover your entire tooth surface. Four tubes of gel should last you approximately six months, even with weekly use. You also most likely do not need to whiten the tongue side of your teeth or your molars. Granted, there are a few folks who may want to. We've been told veneers cannot be whitened, but I have not found that to be false. My front teeth have had cosmetic work, and this gel does whiten them. There is a little bit of difference in the shade from my real teeth and the cosmetic work areas, but that is less obvious when I'm whitening on a regular basis. If the gel consistency isn't ideal, try storing the tubes in the refrigerator before use. At the very least, store the tubes there and store the one you're currently using at room temperature. Whitening gels can cause dental sensitivity; try brushing with a toothpaste for sensitive teeth, which will help with that. If you still have sensitivity, try their 10-35% gels. ### ⭐⭐⭐⭐⭐ Best whitener..and recommended by dentist! *by T***H on February 27, 2026* These are the same syringes of teeth whitener given to me by my dentist...BUT half the price. Really whitening teeth. I maintain white by using once a month to 6 weeks. I ordered the teeth cleaning trays for husband ..and he uses it too. ### ⭐⭐⭐⭐⭐ They work *by V***E on March 14, 2026* They work pretty work but of course it’s a process if you’re teeth are more yellow or stained.. when I put the first tray in I freaked out cause it started foaming up so I removed it but I googled it and I guess it’s normal because of the peroxide. So I put it back on and left it on and definitely works. I left it in 1 hour and no burns on gums and used some moldable teeth test I bought off here too. ## Frequently Bought Together - Opalescence 45% Syringes Teeth Whitening Gel - with PF - (4 Syringes) Refill Kit Carbamide Peroxide. Made by Ultradent, in Mint Flavor. Tooth Whitening 5359-2 - Teeth Whitening Trays Moldable 4-Pc Bleaching Trays for Teeth Whitening with 2 Slim Retainer Cases - Comfortable, Thin Design for Tooth Bleach, Compatible with Opalescence Gel Not Included --- ## 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/63992435-45-syringes-teeth-whitening-gel-with-pf-4-syringes-refill](https://www.desertcart.us/products/63992435-45-syringes-teeth-whitening-gel-with-pf-4-syringes-refill) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-14*