The Pure Black Cumin seed Oil.Extracted from the black cumin seeds, this oil is one-of-a-kind oil that can easily strengthen your hair growth, repair hair follicles, joint swelling. Botanical Name : Nigella Sativa Common Name : Kalonji, Blessed Seed oil Plant Parts Used : Steam Distillation Extraction Method : Cold Pressed Color & Odor : Deep Amber/Dark color with Characteristic with upper tones??. As far as natural hair goes, black seed oil may help in regrowing certain thinning areas on your scalp. Massage black seed oil vigorously onto your bald patches to encourage hair growth. Rinse out afterwards with a cleansing conditioner.