Mascara's best friend: a conditioning base that makes every lash stronger and longer. Reduces breakage, helps mascara stay put. Custom-designed brush provides superb control. Dries quickly and stays in place, providing the perfect base for your mascara. To lavish your lashes, try wearing Lash Primer Plus overnight to give your lashes a special conditioning treatment. All Estée Lauder mascaras are fragrance-free and ophthalmologist tested.