If you aren’t using it yet, now is your chance! Brow and lash growth serum is a way to be proactive in the condition and growth of your lashes and eyebrows. Apply just once a day before bed and you can see results in just a few weeks. The new serum available in the Ink by Sara C studio is all natural and contains some of the best hair strengthening ingredients such as Biotin and Castor oil. Stop by the studio and grab one.