Benefit 24-HR Brow Setter. Tame your wild, bushy brows with the Benefit 24-HR Brow Setter eyebrow gel and shape them to perfection. What benefits does the Benefit 24-HR Brow Setter eyebrow gel offer you? It shapes and sets your brows, has a flexible texture that dries quickly and doesn't flake, provides up to 24 hours of hold, and comes with a brush featuring two different bristle sizes.