Mary Kay Lash &Brow Building Serum

Product Details

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

  • Lashes seem more voluminous.
  • Lashes look maximized.
  • Brows look healthier.


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

  • Apply at night after removing makeup and contact lenses.
  • Apply as you would a liquid eyeliner along the lashline.
  • Apply the formula to the eyebrows in the direction of hair growth.

Key Ingredients

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

  • Amino Acids help provide essential nourishment.
  • Red Clover extract. Red clover is a botanical known to contain antioxidants that help neutralize free radicals.
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