IviSmile Teeth Whitening Light is a professional-grade home teeth whitening solution that accelerates the whitening process. By enhancing the activity factors of the whitening gel, it shortens treatment times and swiftly whitens teeth using a specialized 465-480nm cold blue light. Certain models also feature a 620-625nm red light with soothing properties for teeth. Crafted from food-grade silicone and ABS material, and certified by professional third-party testing agencies like SGS, it ensures safe usage for every user WhatsApp/Phone:+86 17370809791 Email:peter@ivismile.com