The team at ABC America looked at real pillows to see what dust mite, allergens and bacteria would be found inside. The study shows the benefit of using effective anti-allergy bedding and anti-allergy pillows. The presence of moulds and bacteria, indicates just how unhealthy our old pillows can become. A lot of people purchasing mattress protectors and pillow protectors may believe these are proven to block household germs and allergens. They are not. Any anti-allergy or hypoallergenic product that features an opening, such as a zip, will not block the germs and allergens that this study says we should keep out. Click here to view video.