The Alkalol Company Alkalol Nasal Wash, 3 16 oz bottles | CVS With its select blend of natural extracts and essential oils, Alkalol provides an invigorating sinus rinsing experience regular saline solutions can’t match. Alkalol’s unique ingredients, including eucalyptus, menthol, and wintergreen, help dissolve mucus, reduce nasal congestion to help you breath better quicker.