Yellowing of pillows is very common and is mainly caused by sweat and the type of fabric your pillowcase is made from.
And 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.
Method
Image source: Practicallyfunctional.com
Drying