From the #1 best-selling allergy bedding brand the AllerEase Cotton Fresh pillow delivers a soft clean healthy sleep experience. Featuring our HeiQ Fresh technology Cotton Fresh neutralizes odors and provides antimicrobial product protection to inhibit the growth of odor-causing bacteria. And because it s from AllerEase its Allergy Defense? fabric is expertly-designed to block the collection of unhealthy allergens in your clean hypoallergenic fiber fill.