Botanical name: Urtica dioica. Main properties: it remineralizes, repairs the mucous membrane and nourishes the flora, allows good nerve and muscle impulses and strengthens the immune system. Known for its antioxidant qualities and for the absorption of ferric acid, it is also a very good diuretic and has an antihistamine effect. In a poultice associated with green clay, it acts against the pain of arthritis and rheumatism. It is a precious ally for the female cycle and the root relieves urination in cases of benign prostate inflammation. In cosmetics, it is used to strengthen hair. Precautions for use: drying if used over a long period of time. Contraindicated in people with chronic low blood pressure, hemochromatosis, or renal failure. Some rare hypersensitivity reactions such as urticaria, itching, oedema, oliguria, and gastralgia have been reported.