meaning of demulcent
1. Softening; mollifying; soothing; assuasive; as, oil is demulcent.
2. A substance, usually of a mucilaginous or oily nature, supposed to be capable of soothing an inflamed nervous membrane, or protecting it from irritation. Gum Arabic, glycerin, olive oil, etc. , are demulcents.
3. a medication in the form of an oil or salve etc. that soothes inflamed or injured skin