Flux mouthwash contains a high fluoride content, 0.2% Sodium Fluoride (NaF). Regular use of Flux strengthens the tooth surface and prevents caries. The Flux family also has a toothpaste for adults and children and chewing gum. Flux chewing gum is sugar-free and helps neutralize plaque surfaces. The chewing gum is available with a taste of mint or fruit for adults and children over 12 years, and with a taste of strawberry for children 6-12 years.