Now I’ll reveal to you my grandmother’s infallible advice for having impeccable shirt collars!

Marseille soap is also a powerful stain remover. Spread it on the collar and cuffs, then rub the fabrics. Let it sit for ten minutes, then proceed as normal.

Finally, the surprising trick to remove stains from t-shirts is the use of dish soap.

Unthinkable, right?!? Just pour a small amount on the affected areas and massage. Now let the shirt soak in cold water. Every now and then, rub again. Continue like this for an hour before putting it in the machine and starting the appropriate program!