ajwain oil @ rs.210.00 per 15ml (botanical name : trachyspermum ammi) benefits - improves cholestrol levels - may lower blood pressure usage : you may use ajwain oil by inhaling it directly or using a diffuser. you may also use it on the skin with an additive/solvent (like coconut/almond/soya oils). it can also be added to other products like cosmetics, perfumes or foods (less than 0.01% or 100 ppm) to enhance the function and/or flavour. expiry : best before 3 years from date of manufacturing.