Voila! BROWVO! takes brows from sparse to seriously fuller-looking! This nutrient-rich conditioning primer is formulated with keratin and soy proteins known to help brows look thicker, healthier & fuller. The clear, double-duty formula can be used as a primer to extend and enhance other brow products or worn alone to condition & smooth brows. The custom-designed soft-touch applicator tames and coats brows from root to tip. Beauty tip, it can also be worn overnight to work its magic while you sleep!