Well Wolftrap, maybe you should try both the surge and carrot juice...that way you have the length that you want, but you also have the thickness. That way, when your hair does grow longer, at least it won't be as thin as when you don't drink carrot juice.
Also, I'm going to take a stab at this....if everyone's hair is getting thicker, isn't that a sign that your hair is actually growing. I mean, think about it....your hair can't get thicker if no hair is growing in. So maybe...everyone is getting new strands grown in from the root...so you can't see it really in length, and the strands that are already on everyone's head, the 1/2 inch that everyone gets every month just grows in thicker and fuller. Also, I think that carrot juice just makes your hair more healthy....what do you have to lose? Try it for a couple of months and see..