Best Answer: People have always argued what the best oil out there is. And most people either go for royal purple, castrol, and mobil 1. I personally choose Mobil 1, but the choice is really opinion based.
The sores may occur singly or in groups and vary from about 1/8 inch to 1 -1/4 inch in diameter. The sore may be painful for three or four days, but complete healing usually takes ten to fifteen days. Canker sores may recur many times each year. Causes: No one knows what causes canker sores. They may be caused by a virus, may be a form of allergic reaction or may result from an auto-immune condition (meaning that the body has developed an immune reaction against its own tissue).
My husband gets painful canker sores all the time in his mouth. What's the deal? Thanks, Brittany. Canker sores are small ulcers that develop in the soft tissues of the mouth. They can appear under the tongue, inside the cheeks or lips and at the base of the gums. Doctors donât know exactly what causes canker sores, but they do know there are a number of contributing factors. 1  These include: 2  Having a weakened immune system. 3  Poor nutrition or vitamin deficiencies. 4  Minor injuries to the mouth. 5  Hormones. 6  Even using some toothpastes or mouth washes that contain sodium lauryl sulfate.