Ultra-smooth, Fluidline's gel formula provides the precision of a liquid liner with a silkier, softer finish. Goes on foolproof with a brush in an easy dip-and-stroke action. Long-wearing. Smudge-proof. Lines up in a rich array of colors and finishes. Brush sold separately. Usage: • Line the lash line with Fluidline using a brush such as the 209 Eye Liner Brush or 208 Angled Brow Brush. Claims: • Long-wearing, 8 hours • Waterproof • Non-acnegenic • Smudge-proof • Ophthalmologist tested • Dermatologist tested MAC is working toward a cruelty-free world. MAC does not test on animals and never asks others to test on the brand's behalf - MAC advocates for ending animal testing globally and is taking steps toward that goal every day.