Is the Mattress Protector Hypo-Allergenic? March 30, 2022 19:47 Updated Yes, the mattress protector is made of cotton terry, which is designed to be both easy care and hypo-allergenic Related articles Is the Mattress Protector a Full Encasement? Will the Mattress Protector Reduce Breathability of the Mattress? What If My Mattress Feels Too Firm? Do you use any chemical fire retardants (FR) in your mattresses? Are your products certified safe and healthy?