This is one of the most amazing products on the planet! I have used mine for about a year now (I am almost at the end of my third bottle) and am seeing amazing results.
At first, I was a skeptic. I did not expect it to work and I wasn't hugely bothered about trying it, however my boss gave me one to try.
I first saw changes to my volume of lashes at about two and a half weeks. Then the length was getting longer at three and a half weeks. I had plenty of comments on my lashes, like 'Oh, you are wearing extensions, right?', and 'You are lucky to be born with such long eyelashes'. My own boss forgot she had given it to me and asked me what kind of falsies I was wearing! So far, I am yet to meet someone who doesn't like it, after they see mine, they are always keen to give it a go.
Some people may be asking about negative side-effects, and I can say truthfully I have had nothing major...no eye colour change and no skin colour change (my eyelids have always been bruised looking though). The only thing I can say is that due to the active ingredients in the tube, it can feel tingly, however this is normal, and you know then that it is actually working.
This is fantastic value for money ($69 at most places), so I would not hesitate to recommend it to anyone willing to try. A must have item!