Wonder'Last Brow is a semi-permanent brow tint that lasts up to 2 days! The 0.1mm tip allows you to draw hair-like strokes, instantly filling gaps and shaping the brows. Formulated with natural-toned pigments, designed to look like your brows, only better. The Built-in brush allows you to easily blend the color for a natural look. Up to 2-day wear. Sleep-proof, waterproof and transfer-proof.