Silk 100% natural, odorless and hypoallergenic.  Mulberry silk contains a natural protein called Sericin that reduces allergic reactions stuffy nose, puffy eyes and blemishes.  Recommended by Dermatologists, Blush Silks pillowcases are a healthy and safe choice for men, women, children.  Sleeping on silk helps those with allergies, acne and has all around health benefits.