Aloclair has a unique non stinging soothing action which relieves the pain of mouth ulcers within minutes and lasts for up to 6 hours aloclair works by forming an invisible barrier over the ulcer which covers up and protects the exposed nerve endings the barrier can39t be felt once it is applied what160are mouth ulcers mouth ulcers are painful and inconveniencing lesions in the mouth they are fairly common with evidence suggesting 75 of the population will suffer from mouth u