Refill brush head for Hydrosonic Black is White, 2-pack. With bristles in Curen®, a soft material that is extremely gentle on the gums. Curen® is durable, making the toothbrush last longer. With a small drop-shaped brush head that accesses the entire mouth. Bristles with activated charcoal that removes stains. Very effective against plaqueDelivered with 2 brush heads “carbon”. Use: Brush your teeth for 2-3 minutes. Curaprox Black is White Refillborste 2pack
