● When the space between the teeth is narrow and it is difficult to insert it, do not insert it forcefully, do not rotate. If you use it forcibly, hair and wire may come off.
● Bending the wire may cause it to break.
● After use, wash thoroughly with running water, please cut off the water and keep it in a well-ventilated place.
● Because this product is a brush for cleaning between teeth, please do not use other than cleaning between teeth.