Help, what the symptoms are ulceloocin mouth ulcer patch applicable in?

Ulceloocin Patch: I had never heard of it before. According to a google search it seems to be a product from china that is "indicated for use with all types of ulcers and small wounds of the oral mucosa including canker sores, aphthous ulcers, and injuries such as traumatic ulcers caused by self-biting, braces, and ill-fitting dentures." it would appear it's more of a bandaid covering than anything else.