Mucinex® Sinus-Max Severe Nasal Congestion Relief Clear & Cool is an over-the-counter medicine for relief of your nasal congestion symptoms. Mucinex® Sinus-Max Severe Nasal Congestion Relief helps relieve nasal congestion, sinus congestion and sinus pressure. Mucinex® is the #1 Cold brand doctors trust*. This product contains 0.75 FL OZ. It can be used by Adults and Children 6 years of age and over. SYMPTOMS RELIEVED: Mucinex® Sinus-Max Severe Nasal Congestion Relief helps relieve nasal congestion, sinus congestion and sinus pressure. ACTIVE INGREDIENT: Contains Oxymetazoline HCl, a topical nasal decongestant. Take only as directed. *IQVIA, ProVoice Survey, August 2023