Nano toothbrush

Toothbrush made from environmentally friendly bamboo wood, very dense, containing 20,000 micro nano bristles. Soft, penetrates deep into the teeth without causing any harm. Wavy head design fits the teeth to prevent excessive force and gum damage. It is the softest in the world, with enamel thickness of 0.12 mm. Suitable for children from one year old and adults.