This growth serum-infused liquid eyeliner is formulated with antioxidant Vitamin E, Arginine, Vitamin B7 and Peptides to help line and define your lash line while stimulating lash growth. This smooth gliding pen features an ultra fine brush-like applicator for concise precision, allowing you to create both thin and thick lines and master any eye look. Smudge-proof and quick drying, it allows for mess free and easy application every time!