claire, there is a similar product by Tweezerman (yes, Tweezerman!) called Fast Lash lengthening fibers:
http://tweezerman.com/index.cfm?page=productdetail&prod=87
a1468.g.akamai.net/f/1468/580/1d/pics.Drugstore.com/prodimg/85261/200.jpg
I've been using it for a few months and it seems to work nicely if you use it sparingly. Good luck!