This is a reliable method to use if the fading is caused by excess detergent buildup. You need to add vinegar to the washer that will eliminate. Webusing simple diy techniques can enhance the effects of natural cleaning ingredients and breathe new life into your faded upholstery fabrics. Start by mixing equal. Webuse a vinegar solution (1 part vinegar to 2 parts water) to soak fabric for 30 minutes to revive colors effectively. Consider natural dyes, such as beetroot or coffee, to. Want to whiten your dingy whites? Or even better, how about revitalizing a set of expensive cotton sheets that have faded.