Used morning or evening when you brush, EssentialFloss helps your gums and your teeth stay healthy. Directions: Wind 18 in. (or 45 cm) of EssentialFloss dental floss around middle fingers Gently glide floss between teeth and under gumline. Use an up-and-down motion to remove plaque and debris. Repeat between all teeth contacts, advancing the floss to a clean section each time.