As the first mass serum to hit the market in 2008, RapidLash® Eyelash and Eyebrow Enhancing Serum is a clinically-proven, paraben-free serum that helps improve the overall appearance and condition of your lashes and brows. This innovative formula features Hexatein1 Complex, a proprietary mix of six highly effective ingredients: Polypeptides, Biotin, Panthenol, Amino Acids, Soybean Oil and Pumpkin Seed Extract. Dermatologist and ophthalmologist tested, this unique blend works to enhance the appearance of lashes and brows, with results starting in as little as 30 days.