The SNOW teeth whitening all-in-one at home system uses a proprietary formula designed for sensitive teeth and offers professional level results, no prescription required. Comes with 12-months of whitening serum, plus led mouthpiece technology. Whitens all types of stains, fast results guaranteed with 99.1% ratings. Medicinal hydrogen peroxide, carbamide peroxide, SiO2, potassium nitrate, xylitol, deionized water, plus proprietary ingredient mixes. LED/no batteries, 32 in.