Achieve the look of naturally fuller, longer-looking lashes and brows with the Rodan + Fields Lash Boost Serum. This nourishing 5 ml lash and brow serum is specially formulated to enhance definition while strengthening hair for lasting results. The hydrating, conditioning formula helps maintain lash durability, reduce breakage, and support a healthy, youthful appearance. Designed for nightly use, simply apply along the lash line and on clean brows—absorbing quickly without leaving residue. Its gentle, non-irritating formula makes it safe for daily use around delicate eye areas, giving you visible improvements with ease. Whether you want to boost your everyday look or achieve glamorous definition, this serum provides the perfect foundation for stronger, healthier, and more beautiful lashes and brows.