<p><strong>Eucalyptol&nbsp;</strong>is a natural organic compound which is a colorless liquid. It is a cyclic ether and a monoterpenoid.&nbsp;Eucalyptol&nbsp;is an ingredient in many brands of mouthwash and cough suppressant. It controls airway mucus hypersecretion and asthma via anti-inflammatory cytokine inhibition.<br />
<br />
<strong>Menthol:&nbsp;</strong>It provides cooling sensation by stimulation of cooling receptor and gives local anesthetic action<br />
<br />
<strong>Methyl Salicylate</strong>: It penetrates and reaches at high concentration in pain regions and inhibit the prostaglandin synthesis and relieves pain effectively<br />
<br />
<strong>Thymol</strong>, one of the chemicals in&nbsp;thyme, is used with another chemical, chlorhexidine, as a dental varnish to prevent&nbsp;tooth decay. In foods,&nbsp;thyme&nbsp;is used as a&nbsp;flavoring agent. In manufacturing, red&nbsp;thyme&nbsp;oil is used in perfumes. It is also used in soaps, cosmetics, and toothpastes.<br />
<br />
<strong>Fluoride salts</strong>&nbsp;are often added to municipal drinking water (as well as certain food products in some countries) for the purposes of maintaining dental health. The fluoride enhances the strength of teeth by the formation of&nbsp;fluorapatite, a naturally occurring component of&nbsp;tooth enamel. Toothpaste&nbsp;often contains sodium fluoride to prevent&nbsp;cavities, although&nbsp;tin(II) fluoride&nbsp;is generally considered superior for this application.</p>