Petroleum jelly ointment on his injuries and showing his past injuries healed, he claimed, by his miracle product. He opened his first factory in 1870 in Brooklyn using the name Vaseline. Petroleum jelly is a mixture of hydrocarbons, having a melting point usually close to human body temperature, approximately . It is flammable only when heated to liquid; then the fumes will light, not the liquid itself, so a wick material like leaves, bark, or small twigs is needed to ignite petroleum jelly. It is colorless or has a pale yellow color (when not highly distilled), translucent, and devoid of taste and
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).