I grew up remembering Aspercreme, but had never tried it. Both my wife and I have knee, shoulder, and muscle pain. I woke up this morning having somehow slept wrong and my shoulder and neck hurting on one side. After being in pain all morning at work, I decided to give Aspercreme a try. First, this one is unscented. That's a plus to me. And the second thing I noticed was that my pain was eased almost immediately. It didn't eliminate the pain, but it eased it and made it manageable. And that is a winner in my book. This will go into regular use in my household now. My first impression is that I like this product a lot. I can't say it will work for everyone or every pain, but after suffering all morning with a knot in my shoulder, I can at least get work done now and move around fairly comfortably. Good stuff. Worth a try.