We formulated this serum with Rosemary (rosmarinus officinalis) and castor oil (ricinus communis) to help stimulate lash and brow growth! It beautifully conditions the lashes and brows and reduces the risk of breakage! According to Ebers Papyrus, an Egyptian medical text, the Egyptians used Castor Oil to protect their eyes from irritation dating as far back as 1500 B.C! In addition to being anti-inflammatory, castor oil acts as a great moisturizing agent, which helps itchy eyes. Find it at our shop! Free of silicones, mineral oil, cyclopentasiloxane, petroleum, parabens, and dimethicone!