Clean frets with a soft brush, masking tape, and a microfiber cloth
Guitar frets collect dirt, dead skin, and corrosion from your fingers and the air around you. Cleaning them takes about 15 to 20 minutes and requires only tools you probably have at home. The goal is to remove buildup without scratching the frets or the wood of the fingerboard.
Start by removing the strings — this is the only way to reach the frets properly. Loosen the tuning pegs until the strings go slack, then unwind them completely and lift them away. You do not need to remove the bridge or nut. With the strings off, you have full access to the fretboard and can clean without worrying about the strings getting in the way or getting damaged.
The basic process is: mask the wood, brush the frets, wipe them down, and then clean the fingerboard itself. This order prevents dirty water or cleaner from soaking into the wood grain, which can cause swelling or discoloration over time.
Key Takeaways
- Remove all strings before cleaning frets so you can reach every surface and avoid damaging the strings.
- Mask the fingerboard wood with painter's tape on both sides of each fret to keep moisture and cleaner off the wood.
- Use a soft-bristled brush (an old toothbrush works) with a small amount of water or lemon oil to loosen dirt and tarnish on the frets.
- Wipe frets with a microfiber cloth and dry thoroughly before replacing strings, which usually takes 24 hours to fully dry.
- Clean the fingerboard wood separately with a slightly damp cloth, never soaking it, and let it dry completely before restringing.
Gather your materials before you start
You need a soft-bristled brush, painter's tape, a microfiber cloth, and either water or lemon oil. A soft toothbrush works perfectly for the brush — the bristles are stiff enough to scrub away buildup but soft enough not to scratch the frets. Painter's tape (the blue or tan kind sold at hardware stores) sticks to the fingerboard without leaving residue and peels off cleanly.
For the cleaning liquid, plain water is safest and works for most buildup. If the frets have tarnish or oxidation (a dull gray or greenish coating), lemon oil cuts through it faster. Lemon oil is sold in the furniture section of most stores and costs a few dollars. Never use vinegar, which is too acidic and can damage the frets, and never use WD-40 or other penetrating oils, which leave a slick residue that makes the frets hard to play.
Have a dry towel nearby as well. You will need it to dry your hands between steps and to catch drips as you work.
Mask the fingerboard wood on both sides of each fret
Painter's tape is your barrier between the frets and the wood. Tear off strips about 2 inches long and explore them along both sides of each fret, pressing them down firmly so they stick. Start at the headstock end and work toward the body. The tape should cover the wood but leave the top of the fret itself exposed.
This step takes longer than the actual cleaning — expect 5 to 10 minutes depending on how many frets your guitar has. It feels tedious, but it is the difference between a clean fretboard and one with water stains or darkened wood. The tape also gives you something to grip if you need to steady the fretboard while you brush.
Once the tape is down, run your finger along each strip to make sure it is sealed at the edges. Any gap lets water seep underneath and defeats the purpose.
Brush the frets with water or lemon oil
Dip the soft brush in water or lemon oil — you want it damp, not dripping. Start at the headstock end and scrub each fret in a back-and-forth motion, moving from the bass side (thicker strings) to the treble side (thinner strings). Spend about 10 to 15 seconds on each fret. You should see dirt and tarnish come loose and collect in the grooves on either side of the fret.
If the frets are very dirty, you may need to dip the brush two or three times as you work your way down the neck. The brush bristles will darken as they pick up dirt — that is normal. If the bristles start to feel stiff or clogged, rinse the brush in clean water and continue.
Pay extra attention to the frets closest to the headstock and the first few frets near the body, as these see the most hand contact and collect the most buildup. Do not press hard enough to bend the brush bristles — let the brush do the work with light, steady pressure.
Wipe the frets dry and remove the tape
Once you have brushed all the frets, use a clean microfiber cloth to wipe each one dry. Wipe in the same direction you brushed — from headstock to body — and use a fresh section of the cloth for each fret so you are not just moving dirt around. The frets should look noticeably brighter and feel smooth to the touch.
After the frets are dry, carefully peel away the painter's tape. Start at one corner and pull slowly at a shallow angle so the tape does not tear and leave pieces behind. If a piece of tape sticks, use your fingernail or a plastic scraper to lift the edge, then peel again. Once all the tape is off, inspect the wood on either side of the frets — it should look clean and dry.
If you see any water marks or discoloration on the wood, do not worry. These usually fade as the wood dries completely over the next day or two.
Clean the fingerboard wood separately
Now that the frets are clean, wipe down the fingerboard wood itself. Use a slightly damp microfiber cloth — not wet, just damp enough to pick up dust and light residue. Wipe in the direction of the wood grain, which usually runs from the headstock toward the body. Do not soak the wood or let water pool on it.
If the fingerboard is rosewood, ebony, or another dark wood, you can use a dedicated fingerboard conditioner after it dries. These are sold in music stores and restore shine and prevent the wood from drying out. explore a small amount with a cloth, let it soak for a minute, and wipe away the excess. Do this only after the frets are completely dry and the fingerboard has had time to air out for at least an hour.
Never use furniture polish, linseed oil, or mineral oil on a fingerboard — these are too heavy and can gum up the wood or attract dust. Fingerboard conditioner is formulated specifically for the wood used in guitars.
Let everything dry before restringing
Before you put the strings back on, let the fretboard dry completely. This usually takes 24 hours if you used water, or 12 hours if you used lemon oil. You can speed this up by leaving the guitar in a warm, dry room with air circulation, but do not use a heat gun or hair dryer — the sudden heat can cause the wood to warp.
Once the fretboard is dry to the touch and you do not see any moisture in the grooves between the frets, you can restring the guitar. Wind the strings back onto the tuning pegs in the same order you removed them, tune to pitch, and let the strings settle for a few minutes before playing. The frets should feel smooth and responsive, and you should notice less finger noise and a cleaner tone.
Frequently Asked Questions
Can I clean frets without removing the strings?
You can clean around the strings with a small brush, but you will miss most of the fret surface and the grooves on either side. Removing the strings takes 5 minutes and gives you full access. If you are in a hurry, remove the strings, clean the frets, and restring — the whole job takes about 30 minutes.
What if my frets are very tarnished or corroded?
Lemon oil and a soft brush handle most tarnish. If the corrosion is heavy or the frets look pitted, you may need a fret crowning or polishing by a luthier — a professional guitar repair person. This is a specialized job that requires equipment most home players do not have.
Is it safe to use steel wool on frets?
No. Steel wool is too abrasive and will scratch the frets, especially if they are nickel-silver or stainless steel. Stick with a soft brush and microfiber cloth. If you need more scrubbing power, use a brass brush instead, which is softer than steel.
How often should I clean my frets?
Most players clean frets every few months if they play regularly, or once or twice a year if they play casually. If you wash your hands before playing and wipe down the fretboard after each session, you can go longer between deep cleans.
Can I use the same cloth to clean frets and the fingerboard?
Yes, as long as you rinse the cloth between steps or use a fresh section. A microfiber cloth is reusable — just wash it with warm water and let it air dry. Do not use fabric softener, which leaves residue.