I've talked about eyelash serums before, a product that I was always skeptical about, but is now something I use daily. Naturally, I've full lashes and they are dark in color, but the thickness and length was never quite right, the lashes of my left eye were always better than the lashes of my right eye. An eyelash serum prevents your eyelashes from falling out, giving them a chance to grow a lot longer. Also, an eyelash serum stimulates the growth of new eyelashes and makes the hair darker (ideal when you have light eyelashes). To maintain the effect of long ...