Why Do Pillows Turn Yellow

Why Do My Pillows Turn Yellow? … Pillows turn yellow because of sweat. There are other reasons why a pillow may start to turn yellow including falling asleep with wet hair, lotions and oils on the skin, and moisture. When moisture or sweat remains on the pillow for long periods of time, the pillow will turn yellow.

Why is my husband's pillow yellow?

Those yellow spots are caused by sweat. … The face or head resting against that pillow hour after hour releases sweat, which travels through the pillowcase, into the pillow. Moisture, such as from lying down with wet hair, can also discolor the pillow, as can chemicals in some types of makeup or skin products.

When should you throw away a pillow?

Is it not as firm or squishy as it once was? Sometimes, you pillow is just too old and it’s time to get a new one. The National Sleep Foundation says you should replace your pillow every two years.