... . 2.Convenient for use. 3.Good Price. Teeth whitening light is characterized by rapid, simple, practical, safe ... little bit limited. The main principle of whitening is oxidizing reaction, when hydrogen peroxide in ... dentin then oxidize the pigment in teeth.Item specificsteeth whitening home use lightavailable for logo print 1 ... ,white,purple,black,silver, etc.) best sale blue teeth whitening mini light