The answer to 'upholstery cleaning discolored' is that there are several common causes, including improper cleaning methods, spills or stains, and sun damage. Discoloration can appear as fading, yellowing, or uneven color across the fabric. To address this, you'll want to first identify the root cause and then take the appropriate steps to restore the upholstery's appearance.
For minor discoloration, you may be able to tackle the issue with some DIY cleaning techniques. However, for more significant or stubborn discoloration, it's best to call in a professional upholstery cleaning service. They have the expertise and specialized equipment to safely and effectively clean and revive your upholstery without causing further damage.