Dead skin cells: You shed millions every night.

- Natural oils and sweat: These seep into the fabric and create a breeding ground for bacteria.

- Makeup residue: Even after cleansing, traces can linger.

- Dust mites: These microscopic creatures feed on skin flakes and thrive in bedding.

- Bacteria and fungi: Studies show pillowcases can harbor more bacteria than a toilet seat after a week. (Image: Canva)