Eyes > Lash & Brow Building Serum

Mary Kay® Lash & Brow Building Serum

Mary Kay® Lash & Brow Building Serum

4.5 ml

Improves the overall appearance of lashes, leaves brows looking healthier. See results in just 30 days.


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.

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.

Application Tips

Key Ingredients

This gentle, safe, non-drug formula contains the revitalizing Lash Response™ Complex that contains:

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