Marvis Concentrated Mouthwash is very effective and refreshing. 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 increases the feeling of freshness.The Propolis extracts, known for its disinfectant and antibiotics properties, ensures the antibacterial side. This mouthwash is concentrated: dilute with 5 to 8 portions of water before use.