Microfiber Cloths: How Many, and How to Wash Them

Microfiber does not wear out nearly as fast as people think. It gets clogged, which looks identical and is reversible.

Last reviewed July 25, 2026

The short answer

Never use fabric softener on microfiber and never dry it on high heat: softener coats the fibres in a waxy film that fills the spaces doing the cleaning, and heat melts the polyester strands closed. Wash microfiber separately from cotton, because cotton sheds lint that microfiber then traps. Most households want five to ten cloths in rotation so that dirty ones can wait for a full load, colour-coded by area — kitchen, bathroom, glass, dusting — so a cloth used on a toilet never reaches a worktop. A cloth that has stopped picking up dirt is usually clogged rather than finished, and a hot wash with no detergent will often restore it.

Why it cleans without chemicals

Microfiber is polyester and polyamide split into strands finer than a human hair — fine enough that a single cloth has an enormous surface area and millions of tiny hooked edges.

Two things follow. The hooks physically lift and hold dirt rather than pushing it around, which is what a cotton cloth mostly does, and the capillary spaces between strands pull in many times the cloth's own weight in water.

That is why microfiber works on plain water where cotton needs a cleaning product. It is also why anything that fills those spaces — softener, oil, wax polish — stops it working, without changing how it looks.

Fabric softener is the main killer

Fabric softener works by depositing a thin cationic film on fibres to make them feel smooth. On cotton towels that costs some absorbency. On microfiber it is fatal to the function: the film fills the capillary spaces and coats the hooks, and the cloth stops both absorbing and grabbing.

The cloth still looks perfect. It simply pushes water around instead of lifting it, which people read as the cloth having worn out. It has not.

Dryer sheets do the same thing, so a cloth washed correctly and then dried alongside dryer sheets is ruined at the last step. If you use softener in your normal wash, run a rinse-only cycle for microfiber or wash it entirely separately.

The washing routine that keeps them alive

Microfiber tolerates hundreds of washes when handled correctly. The routine is short and every step matters.

Shake them out first. Loose grit removed dry never gets ground into the fibres wet.
Wash separately from cotton and anything linty. Microfiber traps lint by design, and a load with towels in it comes out fuzzy and less effective.
Use a small amount of liquid detergent, or none at all for lightly used cloths. Powder can leave undissolved residue in the fibres.
Warm rather than hot: up to about 105°F (40°C) for routine washing. Hot water is fine occasionally for sanitising kitchen cloths but shortens fibre life.
No fabric softener, no bleach. Bleach attacks the polyamide component.
Air dry, or tumble on the lowest heat or no heat. Polyester melts at surprisingly low temperatures and melted fibres are permanently closed.

How many you actually need

The number is driven by laundry frequency, not by house size. You need enough cloths that dirty ones can sit until there is a full microfiber load, because washing three cloths on their own is wasteful and washing them with the towels ruins them.

For most households that is five to ten in rotation. A one-bedroom flat cleaned weekly manages on five; a family house with pets and a weekly deep clean is comfortable at ten to twelve.

Buy them in one colour per task rather than one colour per cloth. Four of each in two or three colours is more useful than twelve individual colours.

Colour-coding, and why professionals insist on it

Commercial cleaning uses colour-coded cloths for a straightforward reason: a cloth that has been used on a toilet and then used on a worktop moves bacteria from one to the other, and once cloths are in a pile there is no way to tell them apart.

The common scheme is red for toilets and sanitary areas, blue for general surfaces and glass, green for kitchens and food areas, yellow for bathroom surfaces other than the toilet. The exact colours do not matter; having a rule you follow does.

At home the minimum useful split is three: kitchen, bathroom, and glass or dusting. Glass deserves its own set because any residue from a cleaning product on the cloth will streak.

Reviving a cloth that has stopped working

A cloth that smears rather than lifts is usually clogged with detergent residue, softener film or body oils. Before replacing it, wash it hot with no detergent at all, or with a cup of white vinegar in place of detergent, and air dry.

For heavily clogged cloths, soak in hot water with a small amount of dish soap — which is formulated to cut grease — agitate, then rinse thoroughly and wash as normal. This recovers most cloths people were about to throw away.

A cloth is genuinely finished when the pile is visibly flattened and shiny, or when it has been through a hot dryer and feels slick and hard. Melted fibres do not come back.

Common questions

Can you use fabric softener on microfiber cloths?

No. Softener leaves a film that fills the capillary spaces and coats the fibre hooks, so the cloth stops absorbing and stops grabbing dirt while looking completely normal. Dryer sheets do the same thing at the drying stage.

How do you wash microfiber cloths properly?

Shake them out dry, wash separately from cotton, use a little liquid detergent or none, keep the water warm rather than hot, skip softener and bleach entirely, and air dry or tumble on the lowest heat setting.

How many microfiber cloths do you need?

Five to ten for most households. The driver is laundry frequency rather than house size — you need enough that dirty cloths can wait for a full microfiber-only load instead of being washed with towels.

Why has my microfiber cloth stopped absorbing?

Almost always clogging rather than wear: detergent residue, fabric softener film or grease has filled the spaces between fibres. Wash it hot with no detergent, or with white vinegar instead of detergent, and it usually recovers.

Can you put microfiber in the dryer?

Only on low or no heat. Polyester fibres melt at temperatures a hot dryer reaches easily, and once the split strands have fused closed the cloth cannot be restored. Air drying is safer and quick, because microfiber holds little water.

Should microfiber cloths be washed separately?

Yes, from cotton especially. Microfiber is designed to trap fine particles, so it collects the lint that cotton towels shed and comes out fuzzy and noticeably less effective.