Teeth Whitening Gel Refill Pack. Features: TEETH WHITENING GEL BOX INCLUDE: 4Pcs 35% Carbamide Peroxide Non-Sensitive Teeth Whitening Gel +1Pcs shade guide +1Pcs instruction manual.(LED Light Mouth Tray Not Included in The Box). NON-SENSITIVE TEETH WHITENING KIT WITH LOW RISK OF TOOTH DECAY: MySmile teeth whitening gels are Gluten-free, Kosher, sweetened with Xylitol, which reduces the risk of tooth decay. A non-sensitivity yet efficient teeth whitening kit.. EASY TO USE WHITENING GEL- 1 Min simple preparation, 10 min teeth whitening, get up to 20 shades whiter in 7 days, clinically proven results with Millions of HAPPY CUSTOMERS. MADE IN USA TEETH WHITENING GEL: MySmile teeth whitening gels were by Oratech LLC, which has over 40 years of experience in producing whitening gel ,and recommended by over 25,000 dental offices.. : :