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 which are "Platostoma palustre" ("Mesona chinensis", called "sương sáo" in Vietnamese) and "Tiliacora triandra" (called "sương sâm"; "sương sa" or "rau câu" is the name for jelly made from various kinds of algae). It is common now to eat green grass jelly (thạch lá găng) with douhua (tào phớ) and grass jelly (sương sáo or thạch đen) in the summer. Grass jelly Grass jelly, or leaf jelly, is a jelly-like dessert eaten in Malaysia, Indonesia, Mainland China, Hong Kong, Macau, Southeast Asia, and Taiwan. It is made using the "Platostoma palustre" plant (a member of the mint family) and has