Troubleshooting How do I clean my Philips Sonicare AirFloss? To enhance the lifespan of your Airfloss: Rinse the inside and outside of the nozzle after each use to eliminate any residue. Step-by-step instructions 1.Remove the nozzle from the handle. 2.Open the reservoir and rinse it under a faucet to eliminate residue. 3.Wipe the entire surface of the handle with a damp cloth. Charger: Unplug charger before cleaning. Wipe with damp cloth. If the nozzle becomes clogged: Leave the nozzle attached, fill the reservoir with warm water. Press the activation button until the reservoir is empty. For more in-depth cleaning You can easily clean the reservoir as desired using a small cotton swab. Be careful not to leave any particles within the reservoir. Caution: When cleaning or using the AirFloss, do not totally immerse it in water or cleaning solutions. Doing so can be harmful to the product.