Demulcent

Softening; mollifying; soothing; assuasive; as, oil is demulcent.

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.

a medication (in the form of an oil or salve etc.) that soothes inflamed or injured skin