Over time, your pillows will accumulate dust, sweat, and oil particles from your skin or the environment that, if left unchecked, can turn your pillows yellow and make them less comfortable to use. To prevent this from happening, you should plan on washing your pillows regularly either by hand or in a washing machine.
Sources:
- How to Wash Pillows – WikiHow – https://www.wikihow.life/Wash-Pillows – Opens in a new window
How to Wash a Pillow to Keep It Smelling Fresh – https://www.consumerreports.org/pillows/how-to-wash-a-pillow/ – – Opens in a new window