usmile Replacement Brush Heads for Y20 Pro, Y10 Pro, P20 Pro, 2 Pack

Enjoy numb-free brushing with patented residual shock absorption and air cushion brush head. | Reminder Bristles: Fades gradually as a reminder to replace the brush head. | Fluoride-infused: The FDA-compliant bristles release fluoride ions to strengthen enamel. | 90% Minimum Roundness: Filaments are at least 90% round to safeguard gums and enamel.