RapidLash® Eyelash and Eyebrow Enhancing Serum is a clinically-proven, paraben-free serum that helps improve the overall appearance and condition of eyelashes and eyebrows by making them denser-looking, healthier-appearing, and youth-exuding. This innovative formula features Hexatein® 1 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 eyelashes and eyebrows, with results starting in as little as 30 days.