How To · Fashion · Fabric Care
How to wash cotton and linen without destroying them
Cotton and linen are durable, but they demand respect in the wash. Here's exactly how to keep them looking crisp without premature fading or shrinking.
5 min read · IrisCotton and linen are the workhorses of a functional wardrobe—cheap enough to replace, good enough to keep for years. But they're not invincible. Wash them wrong and you'll watch colors fade, fibers pill, and seams pucker within a season. The good news: proper washing takes almost no extra effort, just a few deliberate choices before you hit start.
The key difference between these two natural fibers matters: cotton shrinks and can handle heat; linen is more delicate and actually improves with age if treated gently. Both benefit from cold water, but your approach to drying and finishing separates the amateurs from the people whose basics still look good after two years.
Linen actually gets softer and more beautiful the more you wash it—but only if you don't boil it.
Step one · 1 minute
Sort by color and fiber type
Separate whites from darks—this is non-negotiable if you want to avoid dye bleeding. Then, separate cotton from linen if you have enough volume; if not, wash them together, but know that linen dries faster and may need different handling. Turn everything inside out before loading. This simple move cuts fading by protecting the outer surface from friction.
New dark cottons and linens should be washed alone for the first two cycles. Indigo denim especially will bleed.
Step two · 2 minutes
Choose cold water and the right cycle
Use cold water for everything—it preserves color, prevents shrinking in cotton, and is gentler on linen fibers. Select a gentle or normal cycle (not delicate; that's for silk). If your machine has a 'casual' or 'permanent press' setting, that's ideal. Avoid heavy-duty cycles unless you're washing work clothes or heavily soiled items. The agitation matters more than temperature.
Hot water is only justified for whites you don't mind shrinking slightly, or for sanitizing, which you probably don't need to do.
Step three · 1 minute
Add the right amount of detergent
Use less detergent than you think you need—about half of what the bottle recommends. Cotton and linen don't require much soap to get clean, and excess detergent leaves residue that dulls color and stiffens fabric. If you have soft water, use even less. A standard load needs roughly one tablespoon of liquid detergent or one small scoop of powder.
Powdered detergent works fine for both fibers, but liquid detergent dissolves better in cold water and won't leave white streaks.
Step four · 3 minutes
Dry cotton and linen differently
Cotton can handle the dryer on low or medium heat, but air-drying preserves color and prevents shrinking. Linen should air-dry whenever possible—it becomes softer and more supple with time, and heat can set wrinkles permanently. If you must use a dryer for linen, use low heat and remove items while slightly damp. For both fibers, shake out garments before hanging or folding to prevent stiff creases from setting.
Hang items on a wooden hanger or lay flat on a clean surface. Avoid plastic hangers, which can leave marks on damp fabric.
Step five · 2 minutes
Iron or press while slightly damp
Cotton benefits from a light iron on medium heat while still slightly damp—this removes wrinkles and gives a crisp finish. Linen is naturally wrinkled and that's part of its charm, but if you want to press it, do so gently on low heat. Never iron bone-dry fabric; mist with water first if needed. Iron seams and collars with intention; careless pressing can create permanent shine marks.
For linen, a light steam press is better than a hot iron. If you don't own a steamer, hang damp linen in a steamy bathroom.
Step six · Ongoing
Fold and store properly
Fold cotton and linen neatly along the grain—sloppy folding creates permanent creases that are hard to remove. Store in a cool, dry place away from direct sunlight. Wooden shelves are better than plastic bins, which can trap moisture. If you're storing for more than a season, refold items every few months to prevent permanent crease marks.
Acid-free tissue paper between folds prevents yellowing in white linens stored long-term.
How to know it works.
Properly washed cotton and linen should feel soft (not stiff), hold their original color (no fading), and fit the same way they did when new (no unexpected shrinking). Seams should lie flat, and fabric should have a natural drape, not a papery texture.
Questions at the mirror.
Will my new cotton shirt shrink?
Probably slightly. Most cotton shrinks 3-5% in the first wash, then stabilizes. If you want to minimize this, wash in cold water and air-dry. If you don't mind a tighter fit, hot water and the dryer will shrink it faster and more predictably.
Can I wash cotton and linen together?
Yes, as long as they're the same color. The main difference is drying speed—linen dries faster, so remove it first if you're air-drying. If using a dryer, linen needs lower heat than cotton.
Why does my linen look wrinkled after washing?
That's normal and part of linen's appeal. If you want a crisper look, press it lightly while damp or use a steamer. True linen wrinkles are a sign of quality, not a flaw.
Is fabric softener okay for cotton and linen?
Avoid it. Fabric softener coats fibers and reduces breathability, making cotton feel waxy and linen lose its natural texture. Skip it entirely—these fibers don't need it.
How often should I wash cotton and linen?
Cotton t-shirts and basics: after 2-3 wears. Linen shirts: after 3-5 wears (linen resists odor better). Underwear and socks: after every wear. Less frequent washing extends the life of both fibers.