Petroleum jelly plastics and minimize ventilation issues, isopropyl (rubbing) alcohol can be used to remove petroleum jelly from most surfaces. Isopropyl alcohol is inert to most household surfaces, including almost every plastic, and removes petroleum jelly efficiently. While alcohol causes fewer ventilation problems than petroleum solvents, ventilation is still recommended, especially if large surface areas are involved. Petroleum jelly is also soluble in lower-molecular-weight oils. Using an oil to dissolve the petroleum jelly first can render it more soluble to solvents and soaps that would not dissolve pure petroleum jelly. Vegetable oils such as canola and olive oil are commonly used to
Coffee jelly dessert never gained widespread popularity outside of New England. Today, coffee jelly may still be found in Rhode Island, Massachusetts and other New England states. Durgin-Park restaurant in Boston, which opened in 1827, still offers coffee gelatin made with leftover coffee from the previous day. Japanese coffee jelly was developed during the Taishō period (1912–1926) in imitation of European molded jellies. It appealed to modern young men with tastes for Western fashion and rose in popularity along with café culture. Coffee jelly has remained popular in Japan and is still widely available. Starbucks launched a coffee jelly frappuccino in Japan