Bieber uses Milk Makeup Kush Fiber Brow Gel, which is available for $31 at Sephora.
Milk Makeup Kush Fiber Brow Gel (which you can buy here) is a gel formulation that is perfect for achieving Bieber’s natural brushed-up brows. The Bieber-approved brow gel is tinted and comes in six shades, so it’s designed to brush up the brows but also apply pigment to the brow hairs for extra fullness.