Lancome DFINICILS WATERPROOF HIGH DEFINITION MASCARA With one sweep of the wand, this mascara delivers it all: the same fabulous lengthening, separating and lash defining power of Dfinicils in a waterproof formula that'll withstand tears and and inclement weather without smudging or smearing. Carefully selected polymers coat each lash from root to tip to help lengthen and outline each lash for superb definition. The unique brush applicator has specially grooved bristles that hold the perfect.