DECON 0.1% Nasal Drops (10ml) contain xylometazoline, a decongestant used to relieve nasal congestion caused by conditions like colds, sinusitis, or allergies. It works by constricting blood vessels in the nasal passages, reducing swelling and improving airflow through the nose. These drops are typically used for short-term relief and should be used as directed by a healthcare provider to avoid overuse.