**PROPOLIS: Benefits, Side Effects, Uses, Dosage, Warnings?** The propolis is collected by the material bees from certain plants. This plant resin used by bees as mortar and anti-infectives to clean the hive. The word propolis comes from the ancient Greek πρόπολις , entering a city , by referring to the reduction ... ingredient in cosmetic products, soaps, shampoos, lipsticks, skin lotions, toothpaste, sunscreen ... It is also found in tea, mixed with herbs such as rosemary .