Product description:  High drama for every single lash. Now you can project thicker, longer, more defined and lustrous lashes that highlight your beautiful eyes. THE FORMULA VolumAire formula creates weightless volume and sharp definition that resists clumping. Hollow spherical polymers act like inflated balloons that volumize and lift. THE BRUSH ProDefinition Brush draws out even tiny lashes with infinite precision and separation control. Lets you lavish attention on every single lash, every single day. Blends two kinds of fibers: hollow fibers to hold formula, plus solid rigid fibers to comb it through and separate.