This brush has EXTRA SOFT bristles made from bamboo dust mixed with Nylon 4 bristles.
Each bristle is 0.13mm in diameter and the brush has a density of 80 bristles per ‘core’.
The bristles are approximately 90% bamboo, 10% nylon.
Especially recommended for cleaning sensitive teeth and gums.
Material Bamboo:Weight 5g
Care Instructions: Rinse and leave in a dry place.