Topical rub to assist in relieving: the symptoms associated with colds and flu and joint and muscle pain. Topical rub to assist in relieving: the symptoms associated with colds and flu and joint and muscle pain. Adults and children 3 years and older is: Symptomatic management of the common cold and flu Apply thinly and evenly to the chest, back and neck for vaporization. Tibb-Blackseed Vapour Rub steaming technique Heat one liter of water and pour into heat-safe container and add 10 g of Tibb-Blackseed Vapour Rub. Breathe over the container and inhale the Vapour Rub-infused steam. You may place...