Essence Grow Like A Boss Lash & Brow Serum provides visibly longer, fuller lashes and thicker, more filled-in eyebrows. The texture is enriched with Widelash™ by Sederma and can be perfectly applied on the brows and lashes thanks to the two different applicators. Additional benefit: the formula is ophthalmologically tested. Study with 30 women over 28 and 42 days of daily application. Measurement of eyelash growth and eyebrow density by means of instrumental photo analysis and self-assessment.