As I've only been wearing the toe seperator for about three weeks, and I suppose it's being effective because it's getting to be a little painful as I strive to keep it on as long as I can endure it. And I believe in,"no pain,no gain",so.,PS:I have been subjected to adding a piece of plastic or cotton ball to make it a bit stronger in order to keep my toe straight. Hope this helps you to improve your product a little.