Not knowing anything about your upholstery or what it is you want to clean out, I recommend using a water extraction carpet cleaner. They usually have an accessory hose with various attachments. Tailor your cleaning solution to the foreign material that you wish to remove.
Every time I clean my mirrors, they end up having tons of streaks and almost look worse than before I started. What could I use to clean them that won't leave streaks...
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https://www.apartmenttherapy.com/tips-on-how-to-spot-clean-old-or-setin-stains-on-upholstery-208738
https://www.cleanandscentsible.com/how-to-clean-upholstered-chairs/
http://homeguides.sfgate.com/clean-couch-professional-cleaning-28846.html
Not knowing anything about your upholstery or what it is you want to clean out, I recommend using a water extraction carpet cleaner. They usually have an accessory hose with various attachments. Tailor your cleaning solution to the foreign material that you wish to remove.
It really depends on what fabric the piece is covered in.
I have a little green machine and upholstery cleaner for it. Always test for color fastness before using any cleaner.
I have great luck using our wet carpet cleaner attachments to clean up both my sofa and my car seats/carpets. We have a Bissell.
Leather and vinal
https://www.apartmenttherapy.com/tips-on-how-to-spot-clean-old-or-setin-stains-on-upholstery-208738