An eyebrow enhancing serum is formulated with an innovative Hexatein A2 Complex. Exclusive to Rapid Brow, Hexatein A2 Complex is comprised of six highly effective ingredients that help condition and improve the appearance of eyebrows and put the wow back into your brow! More voluminous looking, more beautiful natural brows are just a few brush strokes away! A unique blend of brow enhancing ingredients exclusive to Rapid Brow. Specifically designed to target eyebrows from every angle: 1) Polypeptides, comprised of beneficial amino acids, help support more voluminous looking appearance of brows. 2) Biotin (Pro-vitamin B7 / Vitamin H / Coenzyme R), an essential factor in maintaining healthier looking, more youthful brows. 3) Panthenol (Vitamin B5) helps nourish and condition the brow hair, improving the overall appearance of brows. 4) Keratin, a building block of hair, helps boost the protein structure and enhance healthier looking appearance of brows. 5) Apple Fruit Cell Extract, a revolutionary anti-aging ingredient from stem cells of a rare Swiss apple, helps rejuvenate the youthful appearance of brows. 6) Sweet Almond extract, a rich emollient, helps add shine, sheen and softness to brow hair.