Inatur Black Seed Oil Black seed oil contains thymoquinone, which is an antioxidant and anti-inflammatory compound that has many medicinal properties. Black seed oil can be applied topically or ingested in food and drink. Black cumin oil can help reduce pain caused by inflammation. If used regularly, black seed oil (nigella sativa oil) can help treat joint, back, and leg pains. It aids as a fantastic moisturizer and helps treat rough skin conditions such as eczema and psoriasis. This oil can be applied topically or ingested in food and drink. It is also a natural remedy for conditions such as allergies, asthma, diabetes, headaches, high blood pressure, digestive disorders, and rheumatoid arthritis.