Agent Nateur’s potent, non-toxic lash and brow serum enhances eyelashes and eyebrows, defining your face. Free from prostaglandins and doubling as a styling serum, it shapes brows and adds gloss to lashes without dark marks. Enriched with patented ingredients, it nourishes, strengthens, and enhances from root to tip, improving flexibility, moisture, and appearance for a fuller, vibrant look. Wear under mascara for extra impact.