Apply honey on the mouth ulcer. It has antimicrobial properties that help heal it. Additionally, honey also protects the area from developing any further infections.
Create a paste by combining baking soda with water. Apply this paste to the affected area. This paste helps neutralise the acid caused by the ulcer and reduces the pain.
Coconut oil has anti-inflammatory and analgesic properties that are quite effective in dealing with mouth ulcers.
Turmeric is a great natural antiseptic and helps fight infections. You can make a paste by mixing it with water before applying it to the mouth ulcer.
Clove has been traditionally used to treat toothaches and gum-related problems. Rinse your mouth with warm water and then apply clove oil with the help of a cotton ball to the affected area.