What it is: A brush-on gel that strokes your brows into shape while adding shine and style. What it does: Long-wearing for up to eight hours, this gel won't flake, clump or stiffen, and it's resistant to sweat and humidity. You can even use it to groom your lashes, sideburns and facial hair. How to use: Apply to your brows by combing through hairs with the applicator. Ophthalmologist tested Safe for contact-lens wearers