Same great bubblegum flavor, now available in a mouthwash. Crest Kid’s Bubblegum mouthwash reaches where brushing may miss. This alcohol free, anticavity fluoride rinse provides effective cavity protection you expect from Crest. Designed for kids ages 6 and up. Mouthwash reaches where brushing may miss. Alcohol Free mouthwash. Anticavity fluoride mouthwash. Same great bubblegum flavor, now available in mouthwash. Designed for kids 6 and up.