How to Store and Sanitize Your Electric Toothbrush Between Uses

By Made By Dentists - Professional Oral Care | Published: 2026-10-14

Category: Tips & Care

Keep your brush dry, ventilated, and away from toilet spray with a simple storage and sanitizing routine that protects bristles and cuts bathroom bacteria.

Quick answer

Store your electric toothbrush upright in an open holder at least three feet from the toilet, let the head air-dry fully between uses, and sanitize the head weekly with a UV sanitizer or a 30-second rinse in antibacterial mouthwash. Skip airtight covers and shared cups, which trap moisture and bathroom bacteria.

Why damp bristles are the real problem

Bacteria need moisture, warmth, and a food source. A wet brush head sitting in a closed cabinet or a puddle of water in a cup gives them all three. The goal of any electric toothbrush storage setup is to get air moving around the bristles so they dry within a few hours. A toothbrush that stays damp until your next brushing is the one most likely to grow visible film or smell sour.

Bathroom toothbrush bacteria also travel. Flushing a toilet with the lid up can aerosolize particles that settle on nearby surfaces, including an uncovered brush. Distance and airflow do more for toothbrush hygiene than any single cleaning product.

Set up the right spot before you change any habits

Pick a location that is open, vertical, and away from the toilet and shower splash zone. A wall-mounted holder or a stand on a shelf across the bathroom works better than a cup on the sink edge. If your bathroom is small, store the brush in a cabinet but leave the door open for an hour after brushing so moisture can escape.

For families, give each person a separate holder slot. Brushes that touch each other can swap bacteria, and a crowded cup keeps every head wet longer.

What to do with the handle and charger

The handle needs less attention than the head, but it still collects toothpaste residue and water spots. Wipe the handle with a damp cloth weekly, then dry it before returning it to the charger. Never rinse the handle under running water or submerge it, because water can reach the battery compartment and charging contacts.

Keep the charger on a dry surface, not on a wet sink ledge. If you use a charging glass or base, empty standing water from it before placing the handle back.

Your between-uses routine, step by step

Rinse the head under warm water for 10 seconds: Point the bristles down and let water run through them to flush out toothpaste and food debris. Common mistake: scrubbing the bristles with your thumb, which bends them and creates gaps where bacteria hide. Checkpoint: the water running off should be clear, not foamy.
Shake off excess water and stand the brush upright: Give the handle two firm shakes over the sink, then place it in an open holder so air reaches all sides of the head. Never lay it flat on the counter or drop it into a closed drawer. Checkpoint: no water should pool in the bottom of the holder.
Keep it at least three feet from the toilet: If your bathroom layout makes that impossible, close the toilet lid before every flush and store the brush in a cabinet with the door cracked open afterward. This is where to keep an electric toothbrush when space is tight. Checkpoint: the brush is not in the direct path of a flush or shower spray.
Sanitize the head once a week: Use a toothbrush UV sanitizer according to its instructions, or soak the head for 30 seconds in antibacterial mouthwash, then rinse and air-dry. Do not microwave, boil, or run the head through a dishwasher, which warps bristles and damages the brush head fitting. Checkpoint: sanitize on the same day each week so it becomes automatic.
Replace the head every three months, or sooner if bristles splay: Frayed bristles clean poorly and hold more debris. If you were sick, swap in a fresh head once you recover. The Cheetah and Sonic X brushes both ship with six replacement heads, which covers more than a year of changes. Checkpoint: write the change date on the handle base with a marker.
Deep-clean the holder and charger weekly: Wash the holder in warm soapy water, rinse, and dry it fully before putting the brush back. Wipe charger contacts with a dry cloth only. A dirty holder recontaminates a clean head within minutes. Checkpoint: no pink or black film on the holder, which signals biofilm buildup.

Brush features that make storage easier

Cheetah Electric Toothbrush + 6 Brush Heads: Dentist-designed electric toothbrush with a kid-sized grip, gentle compact head, and 2-minute timer, plus 6 replacement soft-bristle brush heads. The compact head and extra heads mean a child's brush is easier to rinse and dry, and you can replace a worn or contaminated head without buying a new handle.
“Today Was A Good Day” Electric Toothbrush + 6 Heads: Dentist-designed electric toothbrush for tweens with an easy-grip handle, gentle bristles, two cleaning modes, and 2-minute timer. Two modes let a tween use a gentler setting on sore gums or braces, which reduces the urge to scrub hard and leave the head soaked and splayed.