Black cumin seed oil helps to enhance the energy of the body. Rub black cumin extract diluted in oil over the abdomen to settle an upset stomach or during periods of fatigue or tiredness. It is also very beneficial for the skin. Apply the diluted extract to fine lines, sunspots, dry skin or scars to bring nourishment to the skin. Black cumin seed extract can be used for a healthy scalp and strong vibrant hair.