Since black cumin strengthens the immune system, it is often used to treat allergies and immune deficiency. During the menopause, the oil can have a supportive effect on psychological problems. The oil also has a positive effect on blood sugar levels and asthma patients.
Applied externally as a nasal spray, black cumin helps against allergic rhinitis (inflammation of the nasal mucosa caused by allergies), and thanks to the many important fatty acids it also helps with acne, psoriasis and neurodermatitis. To relieve chest pain, you can rub it with black cumin oil. Black cumin also contains (pro)vitamin beta-carotene, biotin and folic acid. If the oil is included in hair treatments, it strengthens the hair and gives it shine.