Opalescence 35% Teeth Whitening Gel Refill Syringes (4ct) -5197-2 | 35% Carbamide Peroxide Whitening Gel for Custom Trays. Low-Sensitivity Formula, Mint, Dentist Developed Made in USA.

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• WORLD'S #1 SELLING PROFESSIONAL WHITENING BRAND: Opalescence is trusted by more than 25,000 dentists, backed by 35 years of dental science and has helped brighten more than 150 million smiles worldwide.
• FAST RESULTS: The 35% carbamide peroxide formula is designed for shorter daily applications of 30–60 minutes when used as directed. 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: Gentle on Enamel with Added Comfort: Nonabrasive whitening gel is formulated to whiten gently and effectively. Contains potassium nitrate and fluoride to help improve comfort and support enamel health.
• WORKS ON DISCOLORED TEETH: Whiten Common Tooth Discoloration: Carbamide peroxide helps remove discoloration from coffee, tea, wine, soda, smoking and other common stains. No LED light required. Expiration on the package format Year/ Month.
• TRUSTED OPALESCENCE QUALITY: REFILL GEL – TRAYS NOT INCLUDED: Includes four 1.2 mL Mint gel refill syringes. Designed for use with dentist-provided custom whitening trays, Invisalign-style trays or retainers, and other compatible custom trays. Whitening trays are not included.
• 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.