This lightweight treatment, inspired by Virtue’s original, best-selling Flourish Density Booster for the scalp, uses the same tried-and-true technology to visibly boost brows. In addition to the brand’s proprietary protein, this serum creates lush, impactful brows with stimulating plant-based extracts and high-performing peptides that nourish, plump, and moisturize. - Alpha Keratins are large, spring-shaped proteins that reinforce the strength of hair. Gamma Keratins are small globular keratins that provide flexibility. Together, they form a complex molecule with the ability to repair and nourish, providing fragile hair with strength, elasticity, and flexibility - Specialty tetrapeptide blend and red clover flower extract prevent brow thinning and uneven growth and help to reactivate follicles to fill in uneven patches and enhance fullness - Blend of larix wood extract and green tea leaf extract is known to help stimulate brow follicles and help combat brow loss and thinning - Specialty organic pea sprout extract helps achieve thicker, fuller, and more even brow coverage - Natural microalgae extract helps prevent brow loss, improves volume, and strengthens - Panthenol (pro-vitamin B5) conditions brows for a shinier, smoother finish - Free from: sulfates, gluten, parabens, phthalates, synthetic color and dyes. Vegan. Cruelty-free