DERMATOLOGIST RECOMMENDED.* ANTI AGING. ANTI SLEEP CREASE. ANTI BED HEAD.™ OVER 95% OF USERS AGREED SLEEP CREASES, SLEEP LINES AND SLEEP WRINKLES WERE FEWER AND LESS NOTICEABLE.† The beauty secret of celebrity hairstylists, dermatologists and beauty experts.™ Includes 1 x sunshade pure silk queen pillowcase with scalloped edge and invisible zipper closure (20" x 30" / 51cm x 76cm) | Machine washable | See care instructions for details. Learn more about our studies and testing under "Test and Study Details".