Astroglide is easily the best lubricant that we have used. We used to use KY, but it can be very sticky, making it uncomfortable on the fingers and leaving a dirty feeling afterward. Because of these problems, we decided to give Astroglide a try, and we have not gone back to KY since then. On one hand, Astroglide feels very much like regular water, so it doesn't give a sticky or uncomfortable feeling at all. But on the other hand, Astroglide does provide a very good lubrication, much better than regular water would. It is easy to apply, and it will stay on the skin quite well without soaking in (providing lubrication for a longer time). The one complaint that I have is that it can be a bit runny. It is easy to spill, and if you get a little too much on the skin it can start to run off. The bottle seals pretty well, but the lid will occasionally leak. So if we are taking it when traveling we usually put it in a separate plastic bag so that it doesn't leak onto other toiletries.