Depending on the fabric of your pillow, the staining can become quite severe over an extended period of time.
Even if you have pillow covers underneath your pillow cases, you may have noticed the yellowing can still occur. Many people simply toss the pillow and buy a new one when this occurs however, there is a solution. It’ll work like a charm!
What you need:
Before washing check the care label on the pillow to confirm it can machine washed.