Why we have that patch of hair above our eyelashes is still a mystery, but a well-defined, arched eyebrow does wonders for the face. Shu Uemura Hard Formula (HK$150) Not one for beginners - the pencil is rock-hard and doesn't show up on skin, but mysteriously blends with the hairs to subtly darken brows. The Body Shop Brow Definer (HK$99) Reasonably priced, and naturally coloured, this is overly creamy, which make it hard to apply, and means you need to sharpen constantly. Too much hassle. Benefit Instant Brow Pencil (HK$155) Glides on smoothly and is great to fill in colour. A little on the soft side though, so frequent sharpening is needed. Bobbi Brown brow pencil (HK$180) This super-soft pencil can be a bit messy if you're a newbie, and it tends to smudge, but with lots of practice, it will give smartly defined brows. Laneige Natural Brow Liner Pencil (HK$140) Auto-sharpening, soft enough to glide on, and effective waterproofing. This may seem pricy, but given how good it is - and that you get a refill - it's definitely worth it.