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Initially, a pillow is white and bright. However, after a few months of use, it takes on a yellowish tint that may seem unhygienic. Are these spots due to dirt, wear or another phenomenon?
The answer is simple: this yellowing is caused by the accumulation of sweating, body oils, saliva and residues of care products. Even with clean pillowcases, these substances gradually infiltrate into the pillow, resulting in discoloration.
Let us look in more detail at the main causes of this phenomenon.
The main causes of yellowing of pillows
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Night sweating
During the night, the body naturally releases sweat, even if you don’t realize it. On average, one person loses between 500 and 700 ml of sweating per night. This moisture is impregnated in the tissues and leaves yellow marks over time.
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Body oils
The skin continuously produces natural oils which are deposited on the bedding. Unlike sweating, these oils are more greasy and more difficult to remove. Over time, they enter the pillow and contribute to its yellowing.
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Saliva
If you tend to drool while sleeping, it may also speed up the discoloration of your pillow. Saliva contains enzymes that, by accumulating, change the colour of the tissue.
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