The bristles are a blend of nylon and charcoal. The version with charcoal-infused bristles fights bad breath and helps prevent yellowing of the teeth.
Avoid premature aging of the toothbrush by letting the handle dry thoroughly after each use.
Do not soak. Store your toothbrush in a dry place.
Handdle : Bamboo Bristles : 91% polyamide – 9% charcoal
soft bristles
