Hair Tonic: What It Is And How To Use It. Hair tonic is an âold schoolâ hair styling product. It makes the hair look glossier (though some say greasier), something which many people viewed as a sign of healthy hair. The oils in the hair tonic also help hold the hair in place, making it easier to style, much like mousse or hair spray.
Larynx. the complex of cartilages, muscles, and ligaments that form the initial section of the trachea in terrestrial vertebrates and man, usually containing the vocal apparatus. The laryngeal cavity is divided into the anterior larynx, or vestibule, and the posterior larynx.
Vocal cord nodules and polyps. Vocal cord reactive nodules, also called polyps, are masses of tissue that grow on the vocal cords, typically on the anterior and middle two thirds of the vocal fold. The nodules usually appear as symmetrical swellings on both sides of the vocal cords and develop most commonly in heavy smokers or individuals who use strenuous or abusive voice practices.