Black cumin seed (Kalonji oil) cold pressed carrier oil most useful for reducing hair loss. It is 100% pure natural oil - ideal for use in aromatherapy. Black seed oil (black cumin) is freshly cold-pressed using only the and organically sourced nigella sativa seeds and is 100% pure solvent-free and non-refined. Kalonji oil is used as anti-histamine anti-pyretic anti-helminthic anti-spasmodic anti-inflammatory anti-tumour and antioxidants. Please take expert advice or physician advice before use oil because excess use may be harmful.