Experience easy syringe delivery and choose from four concentrations of carbamide peroxide (10%, 15%, 20%, and 35%). Opal by Opalescence offers three great-tasting flavors (Cool Mint) to cater to your preferences. Our tooth whitening gel is vegan, certified gluten-free, and kosher, making it suitable for diverse lifestyles and beliefs. The sticky, viscous formula ensures the gel stays in place without migrating to soft tissues. Sweetened with xylitol, it may reduce the risk of tooth decay, with a pH that closely matches the natural pH of saliva. Opalescence teeth whitening products are known for their stability and effectiveness over time. With over 30 years of experience, 50+ teeth whitening awards, and 100 million smiles brightened, Opalescence teeth whitening is the #1 professional teeth whitening brand. Trust in Opalescence for quality dental care, proudly manufactured in the USA from globally sourced materials. Do All Opalescence Refill Syringes Whitening Gel Concentrations Work? Yes. Opalescence Refill Syringes Whitening Gel is available in 10%, 15%, 20%, 35%, and 45% carbamide peroxide concentrations. All concentrations are formulated to provide effective teeth whitening when used consistently and according to the instructions. A lower percentage does not mean that the gel is less effective. The primary difference between concentrations is the recommended application time. Lower concentrations are generally worn for longer periods, while higher concentrations are designed for shorter applications. Final results and total treatment time may vary depending on the starting tooth shade, type of discoloration, frequency of use, and individual response. Which Opalescence Refill Syringes Whitening Gel Concentration Is Better for Sensitive Teeth? People who are prone to tooth sensitivity may prefer a lower concentration, such as 10% or 15%, because it allows whitening with a gentler, longer application. Users may also begin with shorter wear times and gradually increase the application time based on comfort. A dentist can help determine the most appropriate concentration and whitening schedule for each individual. Can I Use Opalescence Refill Syringes Whitening Gel Every Day if I Have Sensitive Teeth? People who experience sensitivity do not necessarily need to whiten every day. Applications may be spaced out by leaving one or two days between treatments. Reducing application time, using a lower concentration, or taking temporary breaks may help make the whitening process more comfortable. Stop treatment and consult a dental professional if sensitivity becomes significant or persistent. How Much Opalescence Refill Syringes Whitening Gel Should I Place in the Tray? Only a small amount of whitening gel is needed in each tooth compartment of a properly fitted whitening tray. Using more gel does not necessarily improve results and may cause excess gel to flow onto the gums. Do not completely fill the tray. Follow the product instructions and use only the recommended amount. Does Opalescence Refill Syringes Whitening Gel Need to Touch the Gums? No. The whitening gel does not need to reach or cover the gumline. Do not press or push the tray against the teeth to force the gel toward the gums. The whitening ingredients penetrate the tooth structure, so placing gel directly against the gums is unnecessary and may cause temporary gum irritation. What Should I Do if Opalescence Refill Syringes Whitening Gel Comes Out of the Tray? After inserting the tray, remove any excess gel that flows onto the gums using a clean tissue, cotton swab, or soft toothbrush. If excess gel repeatedly escapes from the tray, use a smaller amount during the next application. How Does the Sticky, Viscous Formula Help During Whitening? Opalescence Refill Syringes Whitening Gel has a sticky, viscous consistency designed to help keep the gel in place inside a properly fitted whitening tray. This helps minimize unnecessary migration of the gel onto the gums and other soft tissues. Does Opalescence Refill Syringes Whitening Gel Contain Xylitol? Yes. Opalescence Refill Syringes Whitening Gel contains xylitol, which may help reduce the risk of tooth decay. The formula also has a pH designed to remain close to the natural pH of saliva. How Can I Help Reduce Tooth Sensitivity While Using Opalescence Refill Syringes Whitening Gel? People who are prone to sensitivity may use a lower concentration, reduce the wear time, or leave one or two days between applications. Brushing with Opalescence Sensitive Toothpaste or Opalescence Complete 4-in-1 Toothpaste may also help support sensitive teeth. After brushing, avoid excessive rinsing so the toothpaste ingredients can remain in contact with the teeth, following the toothpaste directions. What Can I Do if Opalescence Refill Syringes Whitening Gel Temporarily Irritates My Gums? Remove the tray and gently clean away any gel remaining on the gum tissue. Vitamin E oil may be gently applied to the temporarily irritated area with a clean cotton swab, provided the user is not sensitive to the ingredient. Use less gel during future applications and avoid extending the gel to the gumline. Discontinue use and contact a dental professional if irritation is significant or does not improve. Can Opalescence Refill Syringes Whitening Gel Be Used With Retainers or Clear Aligners? Opalescence Refill Syringes Whitening Gel is intended for use with properly fitted dental trays. Certain dental retainers, clear aligners, or Invisalign-style appliances may be suitable for whitening when their fit and design have been evaluated and approved by a dentist or orthodontist. Not every retainer or aligner is designed to hold whitening gel, and some appliances may not provide sufficient space for the correct amount of gel. Consult a dental professional before placing whitening gel inside a retainer or orthodontic aligner. Can Opalescence Refill Syringes Whitening Gel Be Used With Dentist-Made Whitening Trays? Yes. Opalescence Refill Syringes Whitening Gel is designed for use with properly fitted whitening trays, including custom trays produced by a dental professional. Dentist-made trays can help hold the correct amount of gel against the teeth while reducing unnecessary contact with the gums. Can Opalescence Refill Syringes Whitening Gel Be Used With Braces? Whitening may be possible for some people with braces when recommended and supervised by a dentist or orthodontist. However, brackets cover portions of the tooth surface, which may result in uneven whitening while the braces are in place. Additional whitening may be recommended after the braces are removed to achieve a more uniform shade. What Flavors Are Available? Opalescence Refill Syringes Whitening Gel is available in three flavor options: Mint, Melon, and Unflavored. These options allow users to select the whitening experience that best matches their personal preference. Is Opalescence Refill Syringes Whitening Gel Vegan? Yes. Opalescence Refill Syringes Whitening Gel is vegan and formulated without animal-derived ingredients. Is Opalescence Refill Syringes Whitening Gel Gluten-Free and Kosher? Yes. Opalescence Refill Syringes Whitening Gel is certified gluten-free and kosher, making it suitable for a variety of lifestyles, dietary preferences, and beliefs. Why Should I Choose Opalescence Refill Syringes Whitening Gel? Opalescence was developed by dental professionals for dental professionals, with a history rooted in creating high-quality whitening products for use in dental practices. After decades of professional dental experience, Opalescence expanded its whitening solutions for at-home use while maintaining the same commitment to product quality, research, formulation standards, and responsible oral care. Opalescence whitening products are used by dental professionals around the world and are designed to provide effective whitening while helping maintain enamel health and integrity when used as directed. The brand’s consumer whitening products are based on the same focus on quality, research, stability, and professional formulation standards associated with products used in dental offices. Opalescence Refill Syringes Whitening Gel is available in multiple concentrations so users and dental professionals can select an option based on recommended wear time and individual sensitivity preferences. Its sticky, viscous formula helps keep the gel inside a properly fitted whitening tray and minimize unnecessary contact with the gums. The formula contains xylitol, which may help reduce the risk of tooth decay, and has a pH designed to remain close to the natural pH of saliva. With more than 30 years of whitening experience, over 50 teeth-whitening awards, and more than 100 million smiles whitened, Opalescence has built a strong reputation in professional dentistry and at-home whitening. Opalescence Refill Syringes Whitening Gel is proudly made in the USA using globally sourced materials. This professional dental background, extensive research, and long-standing commitment to quality allow consumers to whiten with confidence using products developed by a brand trusted in dental practices worldwide. Are Opalescence Refill Syringes Whitening Gels Stable Over Time? Opalescence whitening gels are formulated for stability and consistent performance throughout their intended shelf life when stored according to the product directions. Always review the packaging for storage instructions and expiration information. When Should I Consult a Dentist Before Using Opalescence Refill Syringes Whitening Gel? Consult a dental professional before whitening if you have cavities, gum disease, exposed roots, cracked teeth, dental restorations, severe sensitivity, braces, or other dental concerns. A dentist can help determine whether whitening is appropriate and recommend the best concentration, tray, and application schedule.