I bought this pillowcase to prevent wrinkles/sleep lines.As many other reviewers have noticed, the description is a little misleading. It's not silk and while you can call it "silky," it is still just shiny polyester.I haven't had any issues with the pillowcase coming off. One reviewer suggested a zipper, which would be nice, but the pillowcase does have a 6" pocket that comes over the top of the pillow (see pictures) so it is not wide open. Understandably, if you are a violent sleeper, you might want to sew a button on it, but I think for most people it will stay on just fine.I washed it before use and it has been laundered twice since. This material type is prone to snags and fraying but I haven't had it long so it is holding up thus far.And after several washes, it still has that slight plastic/chemical/whatever fragrance that is always very strong when you first purchase something like this.This might be part of my problem. While my hair has been noticeably less crazy in the morning (read: less volume for those of us with fine or thin hair), I'm a little concerned about what it is doing to my skin. I can't be certain what triggered the reaction, so I won't say it is this pillowcase, but some irritant in my life caused my face to turn red and burn. Here is the surprising thing: against sensitive skin, this fabric is horrible. I can't exactly explain it because when you touch it, it feels smooth, but trust me, if you get a sunburn or a chemical peel or anything that irritates your face, don't sleep on this pillowcase. I ended up switching back to my old soft wrinkle-maker cotton pillowcase. Maybe it hurts because you slide more? I really don't know.Bottomline: I think this is a great pillowcase for the price if you have issues with your hair being tangled or frizzy and it comes in a variety of colors which is fun. This would also be ideal for someone that sleeps on their back as your skin won't be touching it. If you want to get something to help with wrinkles, I would probably go for something more of the "organic" or "natural" variety.You can't always tell if a product will work based on price because there are inexpensive things that work and expensive things that don't. but this is inexpensive and cheap (quality).
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