A substance, usually of a mucilaginous or oily nature, supposed to be capable of soothing an inflamed nervous membrane, or protecting it from irritation
an herb that is rich in mucilage and soothes and protects irritated or inflamed tissue Demulcent herbs reduce irritation down the whole length of the bowel; reduce sensitivity to potentially corrosive gastric acids; help prevent diarrhea and reduce the muscle spasms that cause colic