Pillow hygiene is probably something we don't tend to give too much thought to but it's about time that we all started to take the cleanliness of our sleeping aids a lot more seriously. Despite being protected by pillow cases and other additions to dress up our beds and make them look pretty, the actual pillow itself can harbour germs and become problematic for your skin. The lifecycle of a pillow is only one to two years, a shocking timeline that I certainly had no idea about. We're all guilty of fostering pillows for way longer than we should, but why is it so vital that they are changed? I asked the experts on behalf of HELLO! readers to find out what is so wrong with an old pillow and why they are ruining our sleep and our skin.

How often should you replace your pillows

Despit

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