Jason Sea Fresh Mouthwash with Blue Green Algae. Biologically Active Blue-Green Algae, Sea Salts and Minerals help heal detoxify and strengthen gums and teeth. Perilla Seed Extracts neutralize bacteria and sugar acids. DeepSea Spearmint blasts away bad breath! Strengthening Sea spearmint No alcohol or saccharin For super fresh breath and naturally stronger teeth Jason Natural Mouth Wash Sea Fresh is part of the range of natural Jason dental care products. The Jason natural toothpaste and natural mouthwash range is made with only the best ingredients to keep teeth and gums happy and healthy, including fluoride free toothpaste, natural toothpaste with fluoride and fluoride free toothpaste for kids options that will have the whole family smiling. Explore the full range of Jason Natural products, including Jason body wash and natural face cream, available from Big Green Smile.