And chemical detergents, since

It is strictly forbidden to use any powders and chemical detergents, since a chemical reaction with wood can occur, from which the period of the doors will decrease sharply if various scratches appeared on the wooden surface of the doors, then they should be treated. To do this, moisturize the damaged place, then wipe with fine sandpaper, then apply special polishing wax and rub it thoroughly. Observing these simple recommendations, you can extend the service life of your doors for a long time.