1. The brush head: quality goods under the bristles of a toothbrush manufacturer number, fake goods without; Quality goods to brush a head in workmanship, fake goods have obvious shaft seal.

2. Look at the outer packing pictures: authentic images clear, careful; Fake photo copy amplifier, the pictures are the authentic pixels is low, the coarser.

3. See the outer packing box on the back of the plastic sealing: fake seal rough, have warped cracks; Authentic sealing and tidy.