Because of the abundance of mucilage it contains, marshmallow is an excellent demulcent meaning that it is soothing to the respiratory system, urinary tract and intestines, and to any mucous membrane or internal or external part of the body that is inflamed. It has also been valued as a tea for preventing or soothing the irritation that can be caused by some drugs and antibiotics.

Marshmallow is useful to soothe the irritation of sore throats and coughs. It’s soothing demulcent action is also used to aid indigestion, heartburn, stomach ulcers, ulcerative colitis and Crohn’s disease. In the same way, marshmallow assists in the treatment of urinary tract infections. Due to its emollient properties, marshmallow is one of the most effective herbs for moisturising and softening the skin. It is used as a wash or added to creams for eczema and psoriasis.

Marshmallow contains asparagine, a valuable amino acid, and high levels of vitamin A. Marshmallow can also potentiate the healing actions of other herbs.