Maximum strength clinical formula. For superior oral hygiene. Free Dr. Katz"s Oral Health Secrets booklet inside. Contents: One 500 ml bottle PerioTherapy Rinse; 2 sachets of TheraBreath dental floss; and Dr. Katz"s Oral Health Secrets (booklet). Good health starts in the mouth! I developed this advanced rinse for my family and patients to use at home. I believe it is the best oral rinse available today. The Concentrated PeriO2 & ZincRx formula. Invigorating natural minty taste. No alcohol. No messy mixing. No artificial flavors or colors. A healthy mouth is the doorway to a healthy body! How the PerioTherapy formula helps - Concentrated PeriO2 provides healthy oxygen to damaged gum tissue and also attacks nasty anaerobic bacteria. ZincRx provides natural anti-microbial zinc ions to help fight problem bacteria. Our products are not tested on animals. Dr. Katz"s PerioTherapy Oral Rinse has been clinically tested to effectively help promote healthy gum tissue and overall oral health with daily use and after following a specific therapeutic regimen. PerioTherapy Oral Rinse is professionally formulated with patented PeriO2, an effective, powerful oxygenating compound, which has been shown in scientific studies to attack the anaerobic bacteria responsible for many periodontal (gum) problems. Safety sealed for your protection.