1、Non-copper hair brush process;
2、Traditionally, hair brushed is fixed into the hole by copper metal, but non-copper hair brush process different, which  formed by hot-melt bonding, no any metal oxidation phenomenon, better for oral health;
3、The grinding rate of brush hair is over 90% which is 30% higher than ordinary’s;
4、Use imported DuPon bristles，Diameter: 0.15MM;
5、There are 13 clusters of alien holes,, grossing about 40%;
6、Suitable for people with uneven teeth, small slit & reduce and remove plaque/ dental calculus, also for deep cleaningof teeth requirements too.