what is papain
What is Papain. Papain is an enzyme that is found in green papaya (papaya that is not quite ripe). It has been used in traditional medicine for thousands of years because of its many health benefits which include treating wounds and cuts, stings and burns and internal illnesses.hat is Papain. Papain is an enzyme that is found in green papaya (papaya that is not quite ripe). It has been used in traditional medicine for thousands of years because of its many health benefits which include treating wounds and cuts, stings and burns and internal illnesses.