The beauty of the hayband is that it can be use: by anyone, even children. It is completely natural, drug-Free and has no side effects. Hay band has been developed by leading acupuncturists. This unique product exerts a small amount of pressure on the arm at a point where energy can be pulled away from the head and has had known effects on the immune system to help other cause: such as headaches, runny noses and dry eyes. Can be use: by both adults and children (Over3 years) does not cause:Drowsiness or have any other side-Effects no more costly repeat prescriptions is completely drug-Free