Thins and loosens chest mucusreduces nasal amp chest congestionnon drowsy formulationbenylin is a registered trade markdesign is an applied trademarkguaifenesin amp pseudoephedrinenasal amp sinus congestion reliefto loosen stubborn mucus and clear chesty coughs benylin mucus cough plus decongestant syrup also relievesnasal congestioncatarrhblocked sinuses