Age-appropriate with our Sönik Pro replacement brush heads, designed specifically for the Sönik Pro 4-stage sonic toothbrush. Ultra-soft bristles are perfect for delicate gums and developing teeth, from infancy to early childhood. Our brush heads feature a 3-stage developmental design to meet the needs of each age range: - Stage 1: 3–6 months – Extra-soft bristles for soothing gum care during teething - Stage 2: 6–18 months – Small, rounded head for first teeth and sensitive mouths - Stage 3: 36 months to 6 years – Larger brush head for complete toddler-to-child coverage Each head is made from BPA-free, medical-grade materials, ensuring safety and durability. The click-in system allows quick, hygienic, and secure replacement. Features - Compatible with the Sönik Pro sonic toothbrush - 3 age-specific brush heads for personalized oral care - Ultra-soft bristles, gentle for gums and first teeth - Easy to replace – quick and hygienic - BPA-free and child-safe - Dentist recommended: replace every 3 months