Created by Dr. Irwin Smigel, world-renowned "Father of Aesthetic Dentistry". This Supersmile Professional Whitening Pre-Rinse is clinically formulated with whitening ingredients to safely and effectively prime teeth for maximum whitening results. Sugar and alcohol free. With anti-bacterial benefits for a healthier mouth and fresher breath. Effectively delivers whitening and cleansing to hard-to-reach places between teeth as well. Free of silica, parabens, sulfates, known allergens, animal by-products and BPA. It's also Kosher.