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 genus Stephania such as "Stephania hernandifolia" (also known as "Stephania japonica") and "Stephania capitata" are also being used as a substitute to create green grass jelly called "cincau minyak" or oily grass jelly. Usually, the process of making Indonesian green grass jelly doesn't require a cooking or heating process. Mixing leaf extract and water with the addition of a period of waiting time for coagulation at mild room temperature is enough. Indonesian green grass jelly has a distinct flavor compared to black grass jelly. It is absent of smoky flavor, almost no bitter taste, and has mild leafy flavor. Due