"Having held the (somewhat uneducated) opinion that eyelash serums were a scam and a waste of money, I was well and truly proven wrong after trying Hairburst Lash and Brow Serum ($44), (here's the proof), and although this isn't a *new* product this year, there was a reformulation and a change in the brush making it easier than ever to get the healthiest lashes yet." — TC