Crest Pro-Health Intense Clean Mint Mouthwash kills 99 percent of germs without a strong medicinal taste. Crest mouthwash provides an intense feeling to help you know it's working, keep your teeth clean longer, fight plaque and gingivitis, and leave you a cooling sensation with fresh breath. Works with Crest Toothpaste, Crest Whitestrips, Oral-B Floss, and Oral-B Electric Toothbrushes. Age Group: Adult.