When you're suffering from a deep, chesty cough, but still want to get on with your normal daily routine, Benylin Chesty Coughs Non-Drowsy works deep down to loosen phlegm, clear bronchial congestion, and make your cough more productive. It contains Guaifenesin (an expectorant) to help loosen mucus (phlegm) from the lungs and make it easier to cough up, and Levomenthol to help you breathe more easily by easing congestion. The medicine is suitable for adults and children aged 12 years and over. Benylin Chesty Coughs Non-Drowsy is a clear red syrup, available in 125ml and 150ml and 300ml glass bottles. It provides a soothing effect and deep penetrating relief.