Tea saponin is a natural surfactant derived from the seeds of the tea plant (Camellia sinensis). It is widely used in agricultural, pharmaceutical, and household products due to its ability to act as an emulsifier, foaming agent, and pesticide synergist. This eco-friendly compound has gained attention for its biodegradability and low toxicity, making it a favorable ingredient in various formulations targeting pest control, drug delivery systems, and industrial applications.