Digestive Support: Used to stimulate appetite, reduce gas, and relieve abdominal discomfort.
Respiratory Relief: Inhaled via steam or applied topically to ease symptoms of colds, bronchitis, and asthma.
Joint and Pain Relief: Massaged topically (often mixed with a carrier oil) to soothe sore muscles and painful joints.
Skin Care: Applied in diluted form to help manage minor skin irritations or blemishes.
Important Safety Note
Lack of Regulation: Strong clinical evidence backing many internal medicinal uses is limited.
Allergy Risk: Costus root contains compounds like sesquiterpene lactones that can cause contact dermatitis or allergic skin reactions. Always perform a patch test before topical use.