Add a few drops of tea tree oil to a cup of water and use it as a mouthwash. - Use this remedy twice a day. Coriander seeds, rich in linoleic acid, are effective for treating blisters, rashes ...

To make a saltwater rinse for an oral blood blister, a person can: Use freshly boiled water or a sterile saline solution. Dissolve 1/4 teaspoon of sea salt and 1/4 teaspoon of baking soda in 1 ...