This patented supersonic brush has a hard inner core and evenly-spaced soft bristles to deliver 8X the volume. This clump-free mascara glides on evenly from root to tip for big, smooth, and even eyelashes. Ophthalmologist tested. Suitable for sensitive eyes and contact lens wearers. • This patented supersonic brush has a hard inner core and evenly-spaced soft bristles to deliver 8x the volume • Clump-free mascara glides on evenly from root-to-tip • Waterproof formula Step 1. Sweep the Supersonic Brush from the root to tip of lashes.Step 2. Apply until your lashes take off to an explosive level of volume. Step 3. Easily remove mascara with Maybelline Expert Eyes 100% Oil-Free Eye Makeup Remover. CAUTION: DO NOT USE NEAR FIRE, FLAME, OR HEAT. To safeguard purity, reserve this product for your personal use. Treat the applicator with the hygienic care you give your eyes. Never apply this product in a moving vehicle. Do not dilute with water, saliva, or any other substance. Cap tightly after use. If a change in odor or appearance occurs, discontinue use. Do not use this or any other cosmetic if your eye is injured, irritated, or infected. Consult a physician promptly.