Tooth Soap is packed in natural amber glass jars to keep all light from damaging the sensitive essential oils. Tooth Soap tastes best if used within 3 months of opening the jar. All batches of soap are made small to ensure you are getting a fresh product. One jar lasts 2-3 months. Tooth Soap Shreds come in many different flavors all designed to please your taste buds: Peppermint, Cinnamon, Spearmint, Citrus, Ginger, Sweet Fennel & Mint, Plain Jane (Unflavored).