Reduce signs of shedding for thicker, fuller looking hair with our original, best-selling GRO Hair Serum. Formulated for thinning, lackluster hair, this hair serum uses clinically-tested, plant-based phytoactives to improve overall hair wellness, soothing the scalp and increasing the appearance of hair density and thickness. Formulated with clean, vegan ingredients, and ideal to use as a daily hair wellness ritual. Delivers real, visible results in as soon as 90 days.*