Vicks Inhaler is a nasal decongestant stick (0.5 ml medication) it contains the active ingredients: Menthol (125mg), Camphor (50mg), Siberian Pine Needle Oil (10mg). It also contains methyl salicylate.
When you inhale these actives through your nose they work on the lining of your nasal passages to ease breathing and help relieve a stuffy nose caused by colds or allergic reactions.