Petroleum jelly in one patient. However, petroleum jelly is used extensively by otolaryngologists—ear, nose, and throat surgeons—for nasal moisture and epistaxis treatment, and to combat nasal crusting. Large studies have assessed petroleum jelly applied to the nose for short durations to have no significant side effects. Historically, it was also consumed for internal use and even promoted as "Vaseline confection". Most petroleum jelly today is used as an ingredient in skin lotions and cosmetics, providing various types of skin care and protection by minimizing friction or reducing moisture loss, or by functioning as a grooming aid, e. g. pomade. By reducing moisture
Grass jelly water. Jelly produced in this way has been described as having a leafy neutral or plain flavor. In Mainland China, Hong Kong and Macau, grass jelly was traditionally served with sugar syrup. Now it is often served mixed with other ingredients, such as mango, sago, watermelon, cantaloupe, and other fresh or canned fruit, and condensed or evaporated milk. Although this dish is sometimes called "liangfen" ("leung fan") in Chinese, it should not be confused with the Chinese starch jelly "liangfen", which is an entirely different dish. Grass jelly is known as "cincau" in Indonesian (it means green grass in Chinese).