NASTURTIUM HERB CUTTING HERBAL TEA All scientific and phytotherapeutic texts indicate it as: Main activities: Expectorant Diuretic Stimulating, hyperemic (external use) and recommend it for: Chronic bronchitis Emphysema Scalp treatment (dandruff etc.): topical and external use: the plant is used for dermatological and cosmetic purposes. In fact, it is used, in the form of rubs, lotions, shampoos, in skin conditions