Lavera's Butterfly Effect Mascara curls, defines, and adds volume to lashes for a dramatic eye that commands attention. The ergonomic, multitasking brush is comfortable to hold and features rubber filaments for heightened definition and extreme curl.Bamboo fibers in the mascara act as thickening agents that envelop each lash, adding bold texture to beautifully frame the eyes. This ophthalmologically-tested mascara contains organic shea butter and organic sunflower oil to nourish, moisturize, and protect lashes.