How to get stains out of a white shirt (and what sets them forever)

Almost every ruined white shirt was ruined after the stain, not by it. Two mistakes account for most of them: heat, and rubbing. Get those right and a surprising amount comes out.

The two rules that matter more than the method

1. No heat until it is gone. Hot water, a dryer or an iron will cook protein and sugar into the fibre permanently. Cold water, always, until you are certain the stain has lifted. This is the single most common way a removable stain becomes a permanent one.
2. Blot, do not rub. Rubbing drives the stain deeper and abrades the fibre, which leaves a dull patch you will still see after the colour has gone. Press a clean cloth down, lift, repeat with a clean part of the cloth.

What to do, by stain

Sweat yellowing on collars and underarms

This is not dirt. It is the aluminium in antiperspirant bonded with body oils and protein, and it builds up invisibly for months before it turns yellow. Chlorine bleach makes it worse — it reacts with the protein and sets the yellow.

What works: a paste of oxygen bleach (sodium percarbonate) and a little water, worked gently into the area, left for an hour, then washed normally. For a heavy build-up, soak the whole shirt in an oxygen bleach solution overnight in warm — not hot — water.

Turmeric and curry

Curcumin is both an oil-borne stain and a pH indicator, which is why turmeric goes red when soap hits it. That red is not the stain getting worse; it is alkaline. Rinse it back down with cold water and it returns to yellow.

Curcumin also breaks down in ultraviolet light. On white cotton, after washing out what you can, leaving the damp shirt in direct sunlight for a few hours will often take the rest — genuinely the most effective home treatment there is, and it costs nothing.

Blood

Cold water only, immediately, and keep going while it is still red. Once it has dried brown it has oxidised and set. For dried blood, soak in cold salted water, then treat with hydrogen peroxide on white cotton — test on a hem first, because it will lift colour from anything dyed.

Red wine

Blot hard, then cover the whole stain in salt and let it draw the liquid out. After that, stretch the fabric over a bowl and pour boiling water through it from a height — the one situation where heat helps, because wine's tannins are not protein. Then wash normally.

Ballpoint ink

Put a folded cloth under the stain and dab from the top with isopropyl alcohol or hand sanitiser. The ink dissolves and transfers into the cloth beneath. Move to a clean part of the cloth constantly, or you are just relocating the ink around the shirt. Wash immediately afterwards.

Oil and ghee

Cover in talc or cornflour and leave for twenty minutes to absorb, brush it off, then work dish soap into what remains — it is designed for exactly this — and wash in the warmest water the label allows. Oil is the one stain that does not improve with cold.

Quick reference

When to stop and hand it over

Stop if: the stain has already been through a dryer or an iron, the garment is silk or wool, the fabric is dyed and you are considering peroxide, or you have already tried twice. A third attempt at home is where the fibre damage happens, and fibre damage is the thing nobody can reverse.

• Professional spotting agents are specific to a stain class rather than general-purpose.
• A steam gun flushes the loosened stain out of the fabric instead of leaving it to redeposit.
• A cleaner can treat one area without putting the whole garment through a cycle.

If you send something to us, add a photo and a note to that item at checkout saying what the stain is and how old it is. Knowing it is turmeric from Sunday rather than an unidentified yellow mark genuinely changes what gets used on it. See what we offer, or read up on whether your garment needs dry cleaning at all.