Have you ever wondered how often you should change your pillowcase? For good skin hygiene, consider changing or washing your bedding and pillowcases at least once a week. And if you have acne-prone or sensitive skin, or if you tend to sweat at night, changing your pillow case twice a week can make a significant difference. A clean pillowcase helps minimise the transfer of dirt and bacteria to your skin while you sleep. If you are looking to buy new bedding or pillowcases, op