Mary Kay Lash & Brow Building Serum®
Turn lash envy into lashes that look fuller, look thicker, look maximized. Turn problem brows into the healthy, natural-looking brows you want. All it takes is just seconds a night - and in just 30 days you'll see the results that women everywhere are already talking about.
Mary Kay Lash & Brow Building Serum® is formulated to help lashes and brows live up to their fullest potential. Lashes appear more voluminous and look renewed, and brows look healthier. This gentle, fast-drying serum is powered by our Lash Response™ Complex, an essential nutrient boost of amino acids, a peptide and red clover extract. The appearance of lashes and brows is improved.