There are many definitions used throughout the various commercial sectors to market "natural products." In speaking of terms of 100% natural, one definition could be, "any ingredient isolated from a plant that acts as a surfactant." Natural surfactants can be derived from many types of plants. Common sources are coconut or palm, but they can also be derived from other types of fruits and vegetables. Lean more about natural surfactants: https://surfactant.alfa-chemistry.com/products/natural-surfactants-2423.html