LASH & BROW TINT KIT Specially designed to tint lashes and eyebrows, Rouxs Lash & Brow Tint is the only product approved for use. Perfect for naturally light brows or lashes that can only be seen with daily applications of mascara or eyebrow pencil. The results are natural. Choose from two shades, black or brown, depending on the desired color effect. Permanently darkens the brows and lashes. Gives fast, effective results in just 10 minutes. Lasts 4 weeks, fades gradually on tone. Covers gray 100%.