2x the intensity (2x more intense pigments compared to Loreal's regular black). Intense color thin to thick line. Precise. For dramatically bold eye looks Loreal presents Carbon Black Lineur Intense Brush Tip Liquid Eyeliner. Lineur Intense's tapered natural brush gives you the control to create extremely precise lines for your desired eye looks. All day wear up to 8 hours. Smudge-proof. Ophthalmologist tested. Suitable for sensitive eyes. Fragrance-free.