My coworker is turning 46 years old but looks amazing, I asked her her secret and she said silk pillow cases, so I decided to give it a try and ordered silk pillowcases from this site. I love the way it feels on my skin and hate to sleep without it now! Cotton pillows now feel like sandpaper! ONE suggestion: It's best to avoid machine washing as that can lead to silk break-down, but once in a while won't matter much. read full review »