Is my pillow hypoallergenic? Customer Service Desk August 06, 2019 14:50 Follow Yes Related articles What type of polyester filling is used in the Chiroflow® Elite Waterbase® pillow? What is the size of the Chiroflow® Professional Waterbase® pillow? How long can the water stay in my pillow before it needs to be changed? My pillow leaking, what do I do now? Which side of the pillow do I sleep on? Comments 0 comments Article is closed for comments.