Stains under the arms are usually caused by the reaction between sweat and one's deodorant. Most deodorants contain aluminum, which over time can cause yellow stains on the fabric.

We recommend using an aluminum-free deodorant or a deodorant with a minimal content of aluminum.

To remove these stains, you can mix equal parts dishwashing liquid (without color) and citric acid (can be purchased in larger supermarkets). Add a little cold water, apply the mixture and let the mixture sit on the stain for approx. 20 min.

Then rinse with cold water and wash the shirt according to the washing instructions on the label inside the shirt.

If your shirt has turned yellow, we recommend a mixture of citric acid and soda to make it white again.

Follow these four steps:

1. Fill 5 liters of water in a tub and add up to 1/2 dl citric acid.

2. Let the shirt soak for approx. 30 minutes and then twist the shirt well.

3. Fill 5 liters of water into the tub and add 1.5 dl of soda. Wait 20-30 minutes.

4. Then rinse and wash the shirt according to the washing instructions as usual.

We do not usually recommend the use of dry cleaners due to the environmental impact (however, not all dry cleaners apply).

If necessary, ask your dry cleaner to use a light form of pressure and to avoid using starch.

In particular, avoid pressure on the shirt collar, cuffs, and shirt buttons, as you may risk the buttons breaking.