I’ve always been a firm believer in the importance of brows in transforming the face and framing the eyes. For me, my makeup isn’t complete until I’ve filled and defined my eyebrows. Until now I’d been Clinique’s Superfine Liner and ELF’s Eyebrow Kit on lazy days. Then the new Sleek Makeup Brow Kit landed on my doormat. The Brow Kit is available in two shades, quite simply ‘Light’ and ‘Dark.’ I…