New Sealed Philips Sonicare InterCare Replacement Brush Heads - 6 PackFor updated, accurate country of origin data, it is recommended that you rely on product packaging or manufacturer information. Philips Sonicare InterCare Brush Heads - 6 pk.. Best interdental brush head. Removes up to 7x more plaque. Improves gum health in 2 weeks. Helps prevent gingivitisMore than 50% of people experience oral care issues like gingivitis associated with poor interdental cleaning. Philips Sonicare introduces Philips Sonicare InterCare standard replacement brush heads, 6-pack with three tufts of specially designed bristles to provide a deep clean between teeth and improve gum health in just 2 weeks. InterCare's anchor-free tufting technology allows for unique bristle patterns and lengths to achieve clinical superiority. The Philips Sonicare InterCare brush head removes up to 7x more plaque between teeth than a manual toothbrush and reaches 35% deeper between teeth than oral-b floss action brush head. Reminder bristles fade when it's time to change your brush head. This pack includes 6 standard sized InterCare replacement brush heads. For optimal results, replace your brush head every 3 months.Directions: Instructions: Reminder bristles fade when replacement is needed. Dentists recommend changing your brush head every 3 months for optimal results. For best results only use Philips Sonicare brush heads. Philips Sonicare InterCare Brush Heads - 6 pk.Directions:Instructions: Reminder bristles fade when replacement is needed. Dentists recommend changing your brush head every 3 months for optimal results. For best results only use Philips Sonicare brush heads.