Cotton pillow core: soft and comfortable, with good hygroscopicity and breathability, but it needs to be cleaned frequently.
Down pillow core: light, warm and breathable, but not easy to clean.
Latex pillow core: soft and comfortable, elastic and breathable, but the price is higher.
Memory pillow core: it has the characteristics of dispersing pressure and evenly supporting cervical spine, but it may have an odor.
Buckwheat pillow core: It has good hygroscopicity and breathability, and will not squeeze the skin, but it is easy to get wet.
Kapok pillow core: soft, comfortable and breathable, with the characteristics of warm in winter and cool in summer, but it needs to be aired regularly.
Therefore, the choice of pillow core material should be based on personal preferences, sleep needs, health status and budget. The cleaning and maintenance of pillow core requires regular drying and cleaning to keep it clean and hygienic.