* With Bac-Out Technology * Tough on Dirt, Gentle on The Earth Naturally Eliminates Odors and Their Return! Biokleen"s Bac-Out Fresh uses live enzyme cultures and natural essential oils to eliminate tough odors that get trapped in your fabrics. Great for homes with children and pets. • Natural Enzyme-Producing Cultures, Citrus Extract, Thyme Extract, Vegetable-Based Surfactants And Stabilizers, And Filtered Water