Makeup That Does More. Skimpy or sparse brows? Meet your new brow must-have to create the arch you've always desired ! The innovative shark-tooth tip effortlessly fills in any sparse areas, whilst the other side contains a serum enriched with millet seed extract, working to visibly make brows appear longer and thicker whilst you sleep. Apply with a light touch, letting the shark-tooth tip create the appearance of hairs and building to create the must have micro bladed finish. Run the clear end of the pen through clean brows and the surrounding area at night. Available in three shades: Ash Brown, Dark Brown, Warm Brown. Want to create the ultimate brows that wow? Set and bulk up your brows with the Revolution PRO Brow Volume & Sculpt Gel.