How to Wash and Care for Organic Cotton Clothing

The appeal of organic cotton is simple: fewer chemicals, better farming practices, a softer fabric that holds up over time. But "holds up" is conditional. Buy less, buy better only works if what you buy actually lasts — and the single biggest factor in whether your organic cotton pieces age well or deteriorate quickly is how you care for them.

The good news: caring for organic cotton isn't complicated. A few intentional habits — water temperature, detergent choice, how you dry and store — can meaningfully extend the life of your garments. Here's what you need to know.

Wash Cold, Every Time

Cold water (30°C / 86°F or below) is the right choice for organic cotton, and the reason is straightforward: heat breaks down natural fibers. Hot water causes individual cotton fibers to swell and contract repeatedly, weakening them over time. Cold water cleans effectively for most everyday wear — the idea that you need hot water to get clothing clean is largely a holdover from an era before modern detergents.

The exception: if you're washing something genuinely soiled, a cool wash (not hot) with a short pre-soak is sufficient. There is almost never a good reason to wash cotton on a hot cycle.

Choosing the Right Detergent

Fragrance-free, dye-free detergents are the best option for organic cotton. Synthetic fragrances and optical brighteners — common in standard detergents — leave residue in the fabric that builds up with repeated washing, gradually stiffening fibers and dulling color.

Bleach should be avoided entirely. It doesn't just remove stains — it actively degrades the cellulose structure of cotton fibers, leaving them brittle and prone to tearing. For spot treatment, a small amount of undiluted castile soap applied before washing is a gentler and effective alternative.

Use a moderate amount of detergent. More is not better — excess soap doesn't rinse out cleanly and causes buildup over time.

Drying: Air Dry First, Low Heat Second

High heat in the dryer is the single most common cause of premature shrinkage and fabric degradation in cotton. Heat causes fibers to contract sharply and repeatedly, which is what leads to that slightly stiff, misshapen quality garments develop after dozens of machine-dried washes.

Air drying is always the preferred option. Lay flat or hang in indirect light or indoors. Direct sunlight can fade color over time, particularly in earthy and natural tones.

If you do use a dryer, use the lowest heat setting and remove garments while they're still slightly damp. Finish by laying flat or smoothing out on a hanger. Avoid over-drying entirely — garments left spinning in heat past dryness age faster.

Ironing

If your pieces need a press, use a low to medium heat setting. Steam is your friend here — it relaxes the fabric without the risk of scorching that comes with dry heat.

Iron on the reverse side when possible to prevent any surface sheen from developing over time. For t-shirts and basics, if you've air dried properly and removed the garment before full dryness, you often won't need to iron at all — the fabric settles naturally.

Storage That Preserves the Fabric

How you store cotton matters more than most people think.

Fold, don't hang — at least for heavier pieces like knits and structured shirts. Hanging puts ongoing gravitational stress on the fabric, which leads to stretching at the shoulders and a garment that starts to look worn before it is.

Cedar blocks or cedar rings are the right choice for natural moth prevention over mothballs. Mothballs contain naphthalene or paradichlorobenzene, chemicals that off-gas into the fabric and aren't something you want against your skin. Cedar is safe, effective, and odorless once aired.

Does Organic Cotton Shrink?

Yes — but only once, and only if you let it.

Most organic cotton garments will shrink slightly on the first wash: typically 1–3% in length and width. This is normal and expected. It's the natural fiber relaxing and settling after the finishing and weaving process. A well-made garment is cut to account for this.

After that first wash, organic cotton is stable — provided you follow the care instructions above. Wash cold, air dry or use low heat, and the fabric will hold its shape wash after wash. The shrinkage that people associate with cotton is almost always caused by repeated hot-water washing and high-heat drying, not by the fiber itself.

If you're concerned about the initial shrink, machine wash cold before the first wear. You'll get the settling out of the way, and the garment will fit exactly as intended from the first time you put it on.

Built to Last — When You Treat Them Right

At Forme Studio, all of our pieces are cut from 180gsm GOTS-certified organic cotton. The Essential Tee and Long Sleeve Tee are designed to improve with wear — not pill, not fade, not stretch out — as long as you treat the fabric right.

That 180gsm weight is deliberate. It's substantial enough to hold structure and drape through years of washing, but light enough to stay comfortable across seasons. GOTS certification means the cotton is grown without synthetic pesticides or fertilizers and processed without harmful chemical inputs — a cleaner fiber from the ground up. For the full story on what this standard covers — from the fiber and construction to the dyes and finish — see Our Materials.

Buying better means caring better. These aren't disposable basics — they're pieces worth maintaining.