Maybelline TattooStudio Tattoo Brow 36HR Pigment Brow Pencil in an easy-to-use, ultra-performance brow pencil. Get 36H, long-lasting waterproof brow impact with ease. This eyebrow filler is made with bold pigments, delivering the highest levels of pigment in an eyebrow pencil. Tattoo Brow 36HR Pigment Eyebrow Pencil defines, fills, and fixes uneven eyebrows without smudging and fading throughout the day.