How Petroleum Jelly Is Made

How Petroleum Jelly Is Made · 2:09 · Intellect Plus

In short: How petroleum jelly is made: from heavy refinery residue and dewaxing, through blending and refining into cosmetic and industrial grades, to the partly crystalline structure behind its texture.

A 2:09 short film in the series “How Things Work”, narrated by intellect_voice_01.

Sources used in this film: Encyclopedia.com (reprinting a general-audience chemistry reference, 'Chemical Compounds', updated 2018), “Petrolatum | Encyclopedia.com”; The United States Pharmacopeial Convention (USP–NF), “White Petrolatum”; German Federal Institute for Risk Assessment (Bundesinstitut für Risikobewertung, BfR), “Questions and Answers on Mineral Oil in Cosmetic Products - BfR FAQ of 26 May 2015”; Wiley-VCH Verlag GmbH & Co. KGaA (Ullmann's Encyclopedia of Industrial Chemistry, 'Waxes' article, 2012; hosted as a USPTO PTAB exhibit), “"Waxes," in: Ullmann's Encyclopedia of Industrial Chemistry”; Journal of the Taiwan Institute of Chemical Engineers (Elsevier); article by Magdy T. Zaky, “Separation and formulation of ultrapure liquid petrolatum from Egyptian petroleum waxy by-product”; U.S. Department of Energy Office of Scientific and Technical Information (OSTI.GOV), bibliographic record of a journal article in Chemistry and Technology of Fuels and Oils (English translation) by r…, “Destructive catalytic hydrogenation of petrolatums”; Academia.edu (hosting an abstract of a 2008 Journal of Materials Science paper, doi:10.1007/S10853-007-2417-9; also lists abstracts of related papers by other authors), “Comparison of microstructural and physical properties of two petroleum waxes”; International Journal of Pharmaceutics (Elsevier), peer-reviewed paper by Utrecht University researchers, hosted on the Utrecht University website, “Study of petrolatum structure_ Explaining its variable rheological behavior”; Clinical Medicine & Research (Marshfield Clinic), via PubMed Central (US National Library of Medicine), “The Role of Moisturizers in Addressing Various Kinds of Dermatitis: A Review - PMC”; Cosmetics & Toiletries (trade journal; article by researchers on Fischer-Tropsch waxes), “Fischer-Tropsch vs. Mineral Products for Moisturization”.

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