This Is Not a Drill: Benefit Cosmetics Is Launching a Major New Brow Collection

If you're in need of something to help spruce up brows that might be losing their fullness — or you never had that in the first place — BROWVO! Conditioning Primer ($28) is supposed to help your brows "reappear." It contains keratin and soy proteins to help essentially grow the brow hair over time. I've only been using it for a week, so I haven't noticed a difference yet, but I can testify that this product does instantly make brows appear fuller just by applying it. It also works as a primer before applying other brow products, similar to how a lash primer builds up your lashes before applying mascara.