pet·​ro·​la·​tum | \ ˌpe-trə-ˈlā-təm How to pronounce petrolatum (audio) , -ˈlä- How to pronounce petrolatum (audio) \

Definition of petrolatum

Examples of petrolatum in a Sentence

Recent Examples on the Web Use a soothing moisturizer with aloe to calm the skin (nothing thick with petrolatum, or greasy, which can trap the heat, worsening the burn). Jenna Rennert, Vogue, "Does Sunscreen Expire? And Every Other Question You’ve Had About SPF, Answered," 14 May 2019 Dermatologist Michele Green told Allure that petrolatum locks in moisture so that by morning, dryness has disappeared. Allure, "8 Game-Changing Hacks You Didn't Know You Could Do With Vaseline," 22 Mar. 2019 Aveeno's Intense Relief Hand Cream, which contains soothing oatmeal and moisturizing glycerin and petrolatum was rated as many testers' favorite in our study. Blake Bakkila, Good Housekeeping, "The 8 Best Hand Creams to Moisturize Dry, Cracked Hands ASAP," 6 Dec. 2018 OCCLUSIVES Thick moisturizing ingredients, such as petrolatum, that slow the evaporation of water from the skin's surface. Allure, "The Skin-Care Glossary: A Comprehensive Guide to Everything You Need to Know," 17 Aug. 2018 According to Zeichner, petrolatum and petroleum jelly can interfere with the proper functioning of the skin, alter the vagina’s natural pH, and contribute to bacterial overgrowth. Sofia Barrett-ibarria, Allure, "Your Guide to Body-Safe Lubes and What They're Made Of," 21 Sep. 2018 My treatment of choice for sunburn (including blistering ones) is cold white petrolatum jelly. Jennifer Earl, Fox News, "Texas mom's viral sunburn hack works, but it's not 'magical cure,' dermatologists warn," 3 July 2018 Those with acne-prone skin should be especially careful not to use ingredients that might cause breakouts like alcohol, heavy oils, or petrolatum. Jenn Sinrich, SELF, "9 Mistakes You’re Making When You Moisturize Your Face," 14 Feb. 2018 Look for humectants that draw moisture to the top layer of your skin, like glycerin, hyaluronic acid, urea, lanolin, dimethicone, and petrolatum, says Dr. Levin. Katie Becker, Cosmopolitan, "8 Things Women With Super-Soft Skin Always Do," 26 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'petrolatum.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of petrolatum

1881, in the meaning defined above

History and Etymology for petrolatum

petrol(eum) + Latin -ātum -ate entry 1

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Time Traveler for petrolatum

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The first known use of petrolatum was in 1881

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Cite this Entry

“Petrolatum.” The Dictionary, Merriam-Webster Inc., Accessed 19 January 2020.

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More Definitions for petrolatum


pet·​ro·​la·​tum | \ ˌpe-trə-ˈlāt-əm How to pronounce petrolatum (audio) , -ˈlät- How to pronounce petrolatum (audio) \

Medical Definition of petrolatum

: a neutral unctuous substance that is practically odorless and tasteless and is insoluble in water, that is obtained from petroleum and differs chemically from paraffin wax in containing unsaturated hydrocarbons or naphthenes as well as alkanes, and that is produced in several forms: as
a : a yellowish to light amber semisolid mass used chiefly as a base for ointments and cosmetics, as a protective dressing, and in lubricating greases

called also petroleum jelly, yellow petrolatum

b : a white or faintly yellowish mass obtained by decolorizing yellow petrolatum and used similarly to it

called also petroleum jelly, white petrolatum, white petroleum jelly

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to insert between existing elements

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