Primary active ingredients across the listings include cetylpyridinium chloride (CPC), zinc chloride, and xylitol.

Product descriptions state a single rinse prevents bad breath from returning for 12 hours.

Listed suggested ages in the product details include “6 years and up” and “12 years and up,” varying by product.

Descriptions indicate SmartMouth products are alcohol‑free and, unlike prescription chlorhexidine, are stated not to cause tooth staining.

Most listings show a net volume of 16 fl oz (16 ounces) per bottle.

Review summaries report strong breath‑control effectiveness and improved oral freshness. Taste is generally described as pleasant or acceptable, with reviewers noting the formulations are alcohol‑free.