I've been using this edge control for about a month now (even though I've had it for over 3 months). And I must say that I do really like it. I have experienced white cakeyness but only when I use the product after oiling my scalp and minimal flaking when the product has been agitated after application - for example my edges where my mask rubs will have some flaking b/c the product has been agitated (and this does not always consistently happen).
Other than that, this product has really been good to me. I've even had my edges laid for two days straight with no touch up (granted I had to sacrifice washing my hair line, which I like to do everyday) and they stayed in place.
That said, if you're thinking about trying this product I would say try it out several times so that you can get your own understanding of how it works with your hair and your routine and determine if it works for you.