Precision multi-comb. Intensity lash by lash. High-Precision Intensity for Longer Looking Lashes. In a flash of a stroke up to 60% longer looking lashes and intensity lash by lash The high-precision flexible multi-comb is made of supple elastomer bristles that help give a precise application. The flat surfaces of the multi-comb stretch the formula from the roots of your lashes right through to the tips.