Eucalyptol?is a natural organic compound which is a colorless liquid. It is a cyclic ether and a monoterpenoid.?Eucalyptol?is an ingredient in many brands of mouthwash and cough suppressant. It controls airway mucus hypersecretion and asthma via anti-inflammatory cytokine inhibition. Menthol. It provides cooling sensation by stimulation of cooling receptor and gives local anesthetic action. Methyl Salicylate. It penetrates and reaches at high concentration in pain regions and inhibit the prostaglandin synthesis and relieves pain effectively.