Last Updated on September 22, 2026 by Umar Farooq
Wash linen in lukewarm or cold water on a gentle cycle, with a mild detergent, no bleach, no optical brighteners and no fabric softener. Give it room — do not pack the drum, and do not wash it with towels or denim. Use a low spin, then hang or lay it flat while it is still damp. Tumble drying is allowed on low, but pulling it out damp is what protects it.
The creases are not a mistake. Linen creases because of what flax fibre is, and the only way to get a linen shirt that does not crease is to buy one that is mostly polyester.
Why linen creases, and why washing it is good for it
Flax fibres are stiff bundles of cellulose with very little elastic recovery. Bend one and it stays bent, which is exactly why a linen jacket looks like it has been slept in by lunchtime. Cotton has more give, wool springs back on its own, and linen simply does not — the fold is stored in the fibre until water or steam releases it. Every ranking page calls this “part of its charm”, which is true and also the polite way of saying nothing can be done about it.
What is more interesting is the direction of travel. Linen is the one common fabric that gets better with laundering rather than worse. Woolite puts it plainly: “100% linen is even thought to _improve_ with washing!” (Woolite — how to clean linen). Peacock Alley says the same from the bedding side: “One of the best features about linen is that it becomes softer with each wash” (Peacock Alley — luxury linen care guide).
So the common advice to wash linen as rarely as possible is backwards. Mechanical action in water is what breaks down the pectin binding the fibre bundles together, and that is the process that turns a stiff new linen sheet into the one you actually want to sleep on. What damages linen is heat and chemistry, not washing. Wash it as often as it needs washing.
How to wash linen in a machine, step by step
- Sort it on its own. Arm & Hammer is specific about the company it should keep: “You should not wash linen clothes or other laundry with heavy, bulky items like jeans or towels” (Arm & Hammer — the ultimate guide to washing linen fabrics). Denim abrades it and towels shed lint into an open weave that holds onto it.
- Fasten everything and turn garments inside out. Open zips and loose buttons snag a loose weave more readily than a tight one.
- Lukewarm or cold, gentle cycle. Woolite: “when washing linen use a short, cool cycle on your machine and use a gentle detergent.”
- Leave space in the drum. Arm & Hammer: “avoid overloading the washer – giving your linen fabric room to move around in the wash will help get a more thorough clean.” This is also the single biggest lever on how creased it comes out.
- No bleach, no brighteners. Arm & Hammer: “you should avoid using bleach or detergents with optical brighteners, as these items may cause discoloration.”
- Low spin. The reason is below, and it is the part nobody explains.
Under-filling the drum for linen is genuinely worth the extra load — see how full a washer should be for what two-thirds actually looks like.
Spin speed is the setting that actually matters
Most linen advice stops at “gentle cycle”, which on many machines changes the wash action and leaves the final spin exactly where it was. That final spin is where the damage is done: the load is pressed against the drum wall for several minutes under real force, and flax records whatever shape it is in at that moment.
Drop the spin and two things happen. The fabric comes out wetter, and the extra water is doing useful work — it keeps the fibres pliable long enough for the folds to fall out under their own weight on the line. It costs drying time and buys you a garment that does not need ironing. If your machine hides the setting inside a cycle rather than on its own dial, spin speed explained covers where to find it.
Shrinkage: two brands, two very different numbers
Here is a contradiction worth publishing rather than averaging.
Arm & Hammer: “Linen fabric does shrink upon the first wash and may shrink up to 10 percent if you do not exhibit proper care when washing and drying.”
Peacock Alley: “You can expect Peacock Alley linen sheets to shrink by about 3% during the first wash.”
Both are honest, and they are not measuring the same thing. Arm & Hammer is describing the worst case for unwashed, unspecified linen mistreated with heat. Peacock Alley is quoting a figure for its own pre-treated product under its own care instructions. The useful takeaway is the shape of the curve, not the percentage: most of the shrinkage happens once, on the first wash, and after that lower temperatures hold it stable. Peacock Alley: “After the linen items have been washed the first time, further shrinking should not be an issue during future washings with lower temperature water settings.”
That first wash is the one to be careful with, which is the general pattern behind why clothes shrink in the wash — heat plus mechanical action, arriving together.
Drying and ironing, where the sources split again
Peacock Alley allows the dryer: “Yes, your luxury linen can even be tumble-dried on low temperatures. The key to properly drying fine linen is to promptly remove items from the dryer while they are still slightly damp.” Woolite agrees: “linens can withstand low heat from the tumble dryer, however, air drying them is also a great option to reduce the exposure to heat.”
120percento does not: “Avoid using the dryer, as this can cause shrinkage and damage” (120percento — how to clean linen clothes).
The bedding specialists permit a low tumble; the clothing specialist does not. Garments have seams, facings and interlinings that shrink at different rates from the shell fabric, and a flat sheet does not. If it is a shirt or a pair of trousers, take the stricter advice.
For ironing, every source agrees on one condition: do it damp. Woolite says “medium heat while the garment is still damp.” Peacock Alley says “a medium-hot iron on the steam setting works best” and adds a detail worth having — iron light linens on both sides, dark ones only on the reverse, so the pressed shine does not show.
FAQ
Can you machine wash linen?
Yes. Peacock Alley is blunt about the myth: “many people assume that linen towels, sheets, and other fine linen bedding must be dry-cleaned for proper care, this is not true at all.” Gentle cycle, lukewarm or cold.
Does linen shrink in the wash?
Yes, mostly on the first wash. Peacock Alley quotes about 3% for its own pre-treated sheets; Arm & Hammer warns of up to 10% for linen washed and dried carelessly.
What temperature should linen be washed at?
Lukewarm or cold. Hot water is the main cause of avoidable shrinkage, and linen does not need heat to come clean.
Can you put linen in the dryer?
Peacock Alley and Woolite both allow a low-heat tumble if you remove it while damp. 120percento advises against the dryer entirely for linen clothing. Bedding is more forgiving than a tailored garment.
Does linen get softer with washing?
Yes, and that is the unusual thing about it. Woolite says 100% linen is thought to improve with washing; Peacock Alley calls softening with each wash one of its best features.
Should you use fabric softener on linen?
No. Peacock Alley warns that detergents and softeners with harsh chemicals can damage linen and shorten its life, and softener coats the fibre with exactly the residue that stops it breathing and absorbing.
Expect the shrinkage and plan around it
Lukewarm, gentle, half-empty drum, lowest spin, out while damp. Linen is the rare fabric where the laundry is doing it a favour, so wash it as often as you like and spend the effort on the settings instead. The creases are coming either way.
