The Marvis Concentrated Formula Mouthwash is very effective and refreshing and it’s alcohol-free, which makes it more pleasurable. It is formulated with real mint extracts, herbs and spices. The presence of xylitol, a natural extract of bark and birch, sweetens the solution and heightens the feeling of freshness. The propolis extract, known for its disinfectant and antibiotics properties, provides an antibacterial effect.