Tea saponin, a glycoside compound extracted from camellia seeds. It's safety for crops,has strong selective for snails and slugs suck or contact it,they will be died in a short time because of hemolysis. It's an organic pesticide without any potential hard to human,animals and environment.It's largely applied in rice field and vegetable field to kill snails,especially Golden Apple Snail with good efficacy. More details, contact us please!