Revitalash Hi Def Brow Pencil in Warm Brown. Multi-functional, long-wear, water-resistant eyebrow pencil allows for customizable definition. The fine-tip applicator creates natural hair-like strokes yet allows for a full, bold brow look with a blendable, non-tacky formula. Ideal for filling in sparse or over-tweezed eyebrows, this product transforms shapeless brows in just a few strokes. This rich, buildable formula allows you to effortlessly mimic brow hair for a fresh, natural look or layer for a bold brow look that lasts all day.