2 x Wong To Yick WOOD LOCK Balm Oil back Pain Relief UK fast shipment 100% REAL ONE, Directions:1. Apply 2-3 drops of medicated balm to the affected area.2. Massage gently with the circle direction with the thumb for 15-20 minutes. Apply force from light to strong. Do not let the patient to be over-pain.3. Repeat 3-5 times daily till pain is relieved.Storage:Keep bottle closed tightly in a cool place. Expire 2027.02.07