Line and define your lips with butter london plush rush lip liner a water resistant lip formula that works to define and plump the appearance of your pout infused with filling spheres that help to add volume to lips and reduce the appearance of wrinkles the lip liner applies effortlessly and blends seamlessly with its built in brush delivering true colour that never bleeds or feathers the lip liner can be worn alone or layered beneath your favourite lipstick for maximum colour and stayin