eCosmetics is an authorized retailer of NULASTIN. BROW-RENEWING SERUM. This ultra-restorative serum helps reduce shedding and loss while supporting the body's ability to anchor the brow follicle to the root system, rejuvenating elastin while promoting stronger, shapely and thicker looking brows. SCIENTIFICALLY PROVEN. Our results have been clinically proven throughout numerous scientific trials. In a 16-week clinical lab evaluation, participants experienced up to a 120% increase in the appearance of brow density and thickness. NATURALLY DERIVED. This brow-boosting serum is formulated with a novel formula that features advances in biotechnology, biodiversity and eco-designed resources. 5-active, synergistic ingredients help target all phases of the hair growth cycle. PROPRIETARY. Activated with the first ethically sourced, biodesigned elastin renewal protein for hair rejuvenation, this brow enhancer supports the body's ability to anchor hair follicles to the elastin root system, promoting thick, full looking brows.