Corners of my mouth are cracked will ascorbic acid help?

No.: Cheilosis may be a manifestation of vitamin b2, vitamin b6, Folic Acid (vitamin b9), iron or zinc deficiency. It is also encountered in crohn's disease, acrodermatitis enteropathica, alcoholism, celiac disease and malabsorption syndrome. The cause has to be established and the vitamin and mineral deficiency or the underlying disorder has to be treated.