this review title is: not sure if this zenlash eyelash growth serum does much and the content is: i purchased this because it was suppose to be irritation free i have allergies and my eyes get irritated quickly this one stings i do not particularly like it for my lashes but i wanted to something to boost my brows since i have some sparse patches it does not irritate my eyes there it is just not what i expected i cannot say that it has done a lot for lashes or brows either.there are other information for this review, one is this reviewer did purchase it and the other is 2 people think this review is helpful.