
For stubborn stains, use a mixture of white vinegar and lukewarm water to detach the carpet. You can also use natural clay like Sommières earth, which has excellent stain-removing power.
For tougher stains, use sparkling water and gently rub with a sponge. After 30 minutes, sprinkle baking soda on the stain and let it dry before vacuuming. Baking soda is an effective product for cleaning wool carpets.
and always test the product on a discreet part of the carpet before proceeding with complete cleaning. Stain removal can often leave a halo on the carpet, which may require a full cleaning.