Beauty formulas active oral care interdental brush comes in a pack of 6 for interdental cleaning and prevention of periodontal disease. The brush has a special locking system and works perfectly between teeth. Usage Instructions: Gently ease the brush into the space between the tooth and the gum line, clean the space by gently moving the brush back & forth. Rinse after use. Ideal for - Beauty formulas active oral care interdental brush is a perfect option to take care of your teeth. If you have any kind of dental implants, this is a must have product for you!