An innovative, buildable gel that brushes on brow extensions that shape, visibly thicken, and groom. Ingredient Callouts: Free of parabens. It is also cruelty-free. What Else You Need to Know: With cutting-edge technology and rich pigments, this gel grabs onto skin and hair, filling in gaps and improving the visible density and lushness of your brows. It also adds natural-looking color and volume to sparse, patchy areas.