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 (£33), (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