Brand from Japan: Ebisu. Has a larger planting amount than the conventional head size and has a large contact area with the tooth, so it can easily and efficiently remove dental plaque. Two types of hair tips that get dirty with super tapering hair and got dirty, dropping dirt attached to the tooth surface with flat hair. Since inner hard hair + double hair implantation of outer soft hair, it can also be firmly grounded between teeth and gums. Handle that fits your hands and is easy to grip.