Petroleum jelly is unable to detonate without the use of a blasting cap. It was used as a stabiliser in the manufacture of the propellant Cordite. Petroleum jelly can be used to coat the inner walls of terrariums to prevent animals crawling out and escaping. A stripe of petroleum jelly can be used to prevent the spread of a liquid. For example, it can be applied close to the hairline when using a home hair dye kit to prevent the hair dye from irritating or staining the skin. It is also used to prevent diaper rash. Petroleum jelly is used to gently
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