Curaprox Black is White Sonic Toothbrush head bristles are made with the original legendary filaments.  Curaprox BIW Sonic Toothbrush heads are made for long lasting efficient performance.

The ultra-fine CUREN® filaments of the Black Is White “Carbon” brush heads are coated with activated carbon. For stylish, innovative, gentle whitening.

The CUREN® filaments of the new brush head are coated with activated carbon particles for gentle but effective tooth whitening:

• Gentle and effective: Ultra-fine CUREN® filaments coated with activated carbon particles
• Every single area can be easily reached: The CURACURVE® ergonomics are all down to the perfect bend
• Drop-like design for high-precision cleaning, tooth by tooth
• Extra pleasant: rubberised back
• Supports the hydrodynamic effect
• Developed with Prof. Dr. med. dent. Ulrich P. Saxer
• Compatible with all CURAPROX sonic toothbrushes
• Made in Switzerland

Recommendation: replace after three months at the latest; with braces and brackets, replace after six to eight weeks.