A hairbrush can look clean from above while a mat of shed hair, lint, oil, and dry shampoo sits at the base. That buildup goes back through freshly washed roots. Cleaning starts dry, before choosing water based on the handle, cushion, and bristle material.

Quick answer: Pull out trapped hair, scrub washable plastic or metal tools in warm soapy water, wipe wood and cushioned brushes without soaking, rinse only what can be rinsed, and dry every tool with pins or bristles facing down.

Identify the construction first

Solid plastic and metal combs usually tolerate warm water. A one-piece plastic brush may also be washable. Wood, bamboo, cork, natural bristles, padded handles, glued decorations, and pneumatic cushions need limited moisture. Check the maker's care instructions when available.

A vent hole in a cushion is not a drain invitation. Submerging it can trap water under the pad and create odor or deterioration.

Minute 0 to 3: remove hair while dry

  1. Hold the brush over a waste bin or towel.
  2. Lift hair from the outer rows with fingers or the pointed end of a tail comb.
  3. Slide the tool under the hair mat without scraping the cushion.
  4. Cut long loops in one or two places with small scissors, blades pointing away from the pad.
  5. Pull sections upward and discard them.

Work from edges toward the center. Do not yank against ball-tipped pins or natural bristles; that can loosen parts you were trying to clean.

Minute 3 to 6: wash plastic and metal

Fill a bowl with warm water and a small amount of mild shampoo. Submerge a solid plastic comb or fully washable brush and scrub between teeth and around pin bases with a dedicated old toothbrush. Keep the task under a few minutes rather than leaving tools to soak indefinitely.

Rinse under clean warm water. Wipe handles and hinges, then shake off droplets over the sink.

Minute 3 to 6: wipe wood and cushions instead

Dip the toothbrush into diluted shampoo, shake it nearly dry, and scrub bristle bases in small sections. Wipe lifted residue with a damp cloth. Avoid saturating wood, natural bristles, fabric pads, or the cushion opening.

Use a second barely damp cloth to remove cleanser, then towel-dry immediately. If the manufacturer's instructions prohibit water, follow them rather than this general method.

Hairbrush cleaning guide separating plastic and metal tools from wood and cushioned brushes.
Hairbrush cleaning guide separating plastic and metal tools from wood and cushioned brushes.

Minute 6 to 10: rinse, inspect, and dry

Place combs on a clean towel. Set brushes with bristles or pins facing down so water moves away from the base. Keep wooden handles out of direct sun and away from radiators or hair-dryer heat.

Inspect the towel after a few minutes. Water emerging from a cushion means the brush got wetter than intended; keep it inverted with airflow until completely dry and reassess for odor before use.

Match cleaning to product use

Clean more often when you use wax, edge control, hairspray, root powder, or dry shampoo. Remove shed hair after each styling session and perform a wash when visible film returns. A monthly calendar reminder is a reasonable starting point, but product load is a better trigger than a rigid date.

Dry shampoo absorbs oil but does not clean hair, according to the AAD. Regular shampoo and water are still needed for scalp hygiene, and the brush that distributes dry-shampoo residue also needs attention.

Avoid disinfectant shortcuts

Do not spray household disinfectant onto porous bristles and immediately run the tool through hair. Do not use bleach, boiling water, or essential oils unless the manufacturer explicitly approves them. Cleaning away physical residue is the first job; aggressive chemicals can damage finishes and leave material that contacts scalp and hair.

If a brush was exposed to lice, ringworm, blood, or another known infection, routine cosmetic cleaning is not enough guidance. Follow instructions from a clinician or local public-health authority.

Replace damaged tools

FindingAction
Missing ball tips or sharp bent pinsReplace to avoid scratching scalp
Cracked comb teethReplace; rough edges can snag hair
Split or swollen wooden handleReplace if it catches hair or stays damp
Cushion separates or smells after dryingReplace
Bristles remain sticky after two washesReclean once with the correct method, then replace

The AAD advises gentle brushing and wide-tooth combs for fragile or shedding hair. A clean tool still needs smooth edges and a technique that does not pull.

Store only when fully dry

Keep brushes away from sink splashes and steamy closed drawers. Store with room around bristles so they are not crushed. Clean the drawer or holder before returning the tools; otherwise lint and product dust immediately recollect.

If scalp itching, burning, scaling, pain, or hair loss persists, cleaning a brush is not a diagnosis. Stop irritating practices and consult a board-certified dermatologist.

Sources and further reading