The VIRTUE Flourish Density Booster is a botanical-based nutrient infusion for the scalp. Ideal for those with weakened, thinning hair, the treatment is formulated to stimulate fatigued follicles and nourish the scalp. The density booster combines patented alpha and gamma keratins with a Biomimetic Signal Peptide. Together, they help to boost hair strength and elasticity, while nourishing the scalp for a healthier appearance. 100% drug-free. Colour-safe, paraben-free and gluten-free. Vegan.