I bought this as the write-up sounded like my perfect mascara - volume, staying power and separation with the added bonus of the serum-like effect. I can't comment on the growth encouragement as haven't been using it very long but I am absolutely gutted that the formula doesn't work for me. One coat goes on ok if you get your technique absolutely right... but doesn't give me any volume whatsoever. I try to add any more and it clumps like crazy. Even worse, when I have gone to the effort to curl my dead-straight eyelashes into lovely eye-opening curliness... this mascara actually seems to "weigh them back down" to their former straightness within seconds of application. I love Zelens skin-care so had really high hopes but feel totally let down by this product especially considering the price. :(