Eye Definer Brush - BenefitsAntimicrobial technology helps maintain the integrity of the brush.For smoother makeup application, Clinique recommends cleaning brushes monthly with the brand's Makeup Brush Cleanser. Helps brushes last longer, too.An eye-defining essential. Firm, angled bristles are designed for soft yet accurate lining.Provides expert control for precise application. - Eye Definer Brush