Ultradent Opalescence Endo Mini Whitening Gel is a professional-grade dental product crafted with 35% hydrogen peroxide, ideal for whitening discoloured teeth post-endodontic treatment using the "walking bleach" technique. Packaged in a 1.2 ml syringe and compatible with the Black Mini™ Tip for precise application, this gel offers a customizable treatment duration of 1 to 5 days, ensuring tailored whitening results. Certified gluten-free and kosher, it upholds stringent quality standards. Designed for internal discoloration correction, it's contraindicated for traumatized teeth or those with cervical resorption risk. Comprehensive precautions include single-use tips, protective eyewear, and avoidance of gum contact. Follow stepwise instructions for optimal results, and visit Ultradent's product page for detailed guidance and information on proper storage and disposal procedures.