How to Remove Tomato and Ketchup Stains

Why tomato and ketchup stains are so tricky

A tomato or ketchup stain is a combination stain. The red colour comes from lycopene, a fat-soluble pigment that clings to fibres and is slow to shift. On top of that sits a thin film of oil and spices, and ketchup adds vinegar and sugar. That is why cutting the grease alone is not enough – you can lift the oily film and still be left with an orange-red tint. Heat bonds both the sugar and the pigment, so warmth is your enemy until the mark is gone.

First aid: rescue the stain right away

The sooner you act, the more comes out. The goal is to remove the excess and push the stain out the way it came in – not force it deeper into the weave.

1. Scrape off the excess with a blunt knife or spoon – do not rub it into the fabric.
2. Turn the garment inside out and rinse from the back under cold running water, pushing the stain out the way it came in.
3. Avoid hot water at this stage; heat can set both the sugar and the colour.
4. Do not scrub with napkins – that smears the stain wider and deeper into the weave.

Tackle the grease first, then the colour

Treat this as two jobs in the right order – otherwise you work against yourself.

1. Work a little washing-up liquid into the stain to cut the oil, moving from the edge inwards, and let it sit a few minutes.
2. Rinse and look again: any red or orange tint that remains is the pigment.
3. Soak in lukewarm water with liquid detergent, or an oxygen-based bleach if the fabric allows – never chlorine bleach on coloured items.
4. Then wash at the warmest temperature the care label permits.

Sunlight is your secret weapon against an orange tint

Lycopene breaks down in UV light, which is why sunshine is a genuine old laundry trick for tomato marks. On white or colourfast cotton, dampen the treated area and lay the garment in direct sunlight; a stubborn orange shadow will keep fading. Skip this on wool, silk and dark dyes – the same sunlight that fades the stain will fade them too.

Check before you dry – heat is the point of no return

Never tumble dry or iron the garment until the stain is completely gone. Heat locks pigment and sugar into the fibres for good. Air dry, inspect the spot in daylight, and repeat the treatment if any shadow is left.

When should you send the garment to us?

If the item is delicate, valuable or labelled dry-clean-only, if the stain is old and set, or if it is a coloured fabric where you are afraid of stripping the colour, let us handle it. Wherever you are in Norway, you can send the garment to us, and we treat the stain according to the fabric and its care label so it is done gently. You order online, and you see the price before you order.

Frequently asked questions