Brow pencil gives you the most natural looking, stunning brows ever Heatproof. Eyebrow pencil is very easy and convenient to use. There is no need to get the help of a professional The smudge-proof and water-resistant properties of the pencil ensure that your brows stay intact throughout the day. This means no worries about your brows fading or smudging, even in humid or rainy conditions. The long-lasting formula ensures that your brows maintain their shape and color for hours without the need for touch-ups.