- Philips Sonicare S2 Sensitive includes 6 replacement heads for electric toothbrush - Ultra-soft, high-density bristles designed for effective and gentle cleaning - Removes up to 10 times more plaque than a manual toothbrush, even in hard-to-reach areas - Sonicare technology with 62,000 bristle movements for deep and gentle cleaning - Dynamic fluid action facilitates interdental and gumline cleaning - Fully compatible with Philips Sonicare handles (except Philips One) - BrushSync tracks usage and notifies when to change the head; blue bristles fade as a reminder - Made with 70% bio-based plastic and recyclable paper packaging - Recommended to replace every 3 months to maintain effectiveness - Black color, perfect for sensitive gums and daily oral care