RapidLash is a unique formula of brow enhancing, conditioning, moisturizing and strengthening ingredients that work together to help improve the overall appearance of the eyebrows. Featuring Hexatein 1 Complex, a unique proprietary mix of six highly effective fortifying ingredients, essential proteins, vitamins and other moisturizing and conditioning ingredients, to boost eyebrow density, while adding shine and softness. RapidBrow is ophthalmologist tested for safe and easy use. A simple once a day only application is needed to achieve improvement in the appearance of lashes and brows in as little as 4 weeks.