Yes, the Emma mattress cover is treated with revolutionary Purotex technology, weaving microcapsules of natural probiotics into the fabric structure. These natural probiotics not only clean up allergens in your mattress but also absorb humidity. But if you prefer a more comprehensive cover that is hypoallergenic, dust-mite proof, and water proof, it is advisable to check out the Emma antimites protector. It contains 100% natural probiotics that can effectively clean up allergens and is water proof.