I know many of my B&BW lotions last much longer than three years. The only thing I noticed is that the consistency gets a bit more liquidy, but the scents are still good, so I still use them.

I've got a couple of bottles of Limelight lotion that still smell exactly the same as the day I bought them; the splash is still as good as new as well. However, I had to toss a 4-oz. bottle of the original Freesia splash because I nearly gagged when I smelled it a few summers ago. I don't know what the difference is, but of all the scents I've ever owned, Limelight's fragrance stays true much longer than most, and there's no way in hell I'm throwing that away until I absolutely have to.