Vaseline - Wikipedia- xà phòng vaseline wikipedia ,Vaseline / ˈ v æ s ə l iː n / is an American brand of petroleum jelly-based products owned by British-Dutch company Unilever.Products include plain petroleum jelly and a selection of skin creams, soaps, lotions, cleansers, and deodorants. In many languages, the word "Vaseline" is used as generic for petroleum jelly; in Portugal the Unilever products are called Vaselina, and in Brazil and ...Saponification - WikipediaSaponification is a process that involves conversion of fat, oil, or lipid into soap and alcohol by the action of heat in the presence of aqueous alkali (e.g. NaOH).Soaps are salts of fatty acids and fatty acids are mono that have long carbon chains (at least 10) e.g. sodium palmitate