Opalescence Go take-home whitening system is recommended for patients looking for professional whitening to go or as an alternative to over-the-counter whitening products. With no impressions, models, or lab time required, Opalescence Go whitening trays are also a perfect follow-up to in-office whitening. – Unique UltraFit™ tray material offers a remarkably comfortable fit and easily conforms to any patient’s smile – Molar-to-molar coverage whitens the entire smile – Opalescence Go whitening gel is designed to maximize patient comfort – Convenient prefilled trays can be worn right out of the package – Optimal gel quantity allows easy cleanup after whitening – 10% – wear 30–60 minutes for 5–10 days. Opalescence Go tooth whitening gel contains PF (potassium nitrate and fluoride)