Kirk’s Castile Soap is all natural, hypoallergenic and contains NO animal by-products or synthetic detergents. Made with pure botanical coconut oil, it is ultra gentle on skin. It makes handfuls of creamy rich lather, even in hard water, making it ideal for cleaning your hands, even at the barn. It is biodegradable and works well for quick cleaning and lightly conditioning leather and other tack items, too. Kirk’s natural formula includes: Coconut Soap, Water, Vegetable Glycerin, Coconut Oil and Natural Fragrance.