We make our own castile soap, prepackaged in reused, returnable bottles! (See the separate BYOC entry to Bring Your Own Container) Ingredients: water, olive oil, glycerine, potassium hydroxide, coconut oil, castor oil, essential oil, polysorbate 80, potassium gluconate, optiphen.<br><br>To use as hand soap, fill your own mason jar and use our Soap Dispenser Pump. Other uses abound, encompassing just about every cleaning job in your house or on yourself (including your pooch). Look online for appropriate dilutions for each use. (This product is vegan-friendly.)<br><br>The prices for the bottles include $2, which will be returned when you bring back your clean, empty bottle. The unscented version is now 50 cents less expensive, because unscented products are friendlier to the environment and require less labor.