Vi-SMOOTH biotin supplement works by enhancing the health of your skin cells, helping them to grow, multiply and stay healthy. Get glowing skin with Vi-SMOOTH biotin supplement for a flawless and healthy skin in just weeks! By using it, you can achieve optimal health of your hair, nail and skin. Vi-SMOOTH was formulated by Vivitality Specially for WOMEN* *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.