2.1% sodium fluoride treatment used to protect enamel and dentine surfaces, indicated for hypersenstive teeth. Water-based formula for improved taste, smell and mouthfeel. Formula has a neutral pH and is free of rosin and common allergens. Features a ready-release formula that enables effective ?uoride uptake with a minimum contact time of just 15 minutes. Innovative press-and-go L-Pop delivery system for fast and easy application. Suction-line-friendly formula.