I picked up the Dior Maximizer Lash Plumping Serum on a whim last week in Boots. Anything that promises long, voluminous lashes is something I need to try! So what is it? Essentially it's a serum that coats the lashes, plumping them up, lengthening and giving hold to the curl. It can be used under your regular mascara or overnight as an eyelash treatment mask. I was expecting big things, but have instead found myself a little disappointed. Once you...