Today most upholstery cleaning professionals in the market in London do their work by spraying the cleaner directly on the piece of upholstery. The cleaning solutions used by these professionals generally contain soap and degreasers that help to clean out the dirt and oil. Another type of cleaning solution is used in equipments that is used to make upholstery clean. These equipment are generally used by upholstery cleaners based in London. The cleaning solution is poured in the reservoir of cleaning equipment that is used to take out the dirt from the upholstery. As it cleans the dirt, oil and cleaning solution is preserved in a different tank. When the tank of the cleaning equipment becomes full, it gets dumped into the sink. If you are among these professional cleaners you can buy foam-based and dry-cleaning solvents. These cleaning solvents are sprayed on and allowed to get dry. After being dried they can be vacuumed off.