HeiQ Allergen Tech* This anti-allergy pillow is treated with HeiQ Allergen Tech*, an innovative and long-lasting treatment using naturally-derived probiotics to break down and diminish inanimate allergens such as dust mite matter, pet allergens (including hair and dander) and some types of pollen. HeiQ Allergen Tech* is a 100% biobased, proprietary technology which is certified to reduce the exposure to allergens, helping you to achieve a more peaceful night's sleep. Prolong the life of your new pillow with a pillow protector. Shop here.