patch test

noun

Definition of patch test

: a test for determining allergic sensitivity that is made by applying to the unbroken skin small pads soaked with the allergen to be tested

Examples of patch test in a Sentence

Recent Examples on the Web Before smearing it all over your eyes, first patch test the oil on a discreet area of skin, like the inside of your elbow or behind one ear. Audrey Noble, Harper's BAZAAR, "Can Castor Oil Make Your Eyelashes Grow Faster?," 22 July 2020 Even diluted oils can cause irritation, so always do a patch test: Rub the oil on a small area of skin and wait 24 hours to see if there’s any redness, swelling or rash. Teresa Carr, New York Times, "Are Essential Oils Safe for Kids?," 18 Apr. 2020 Of all of the sunscreen ingredients, oxybenzone is known to be the most common cause of contact allergies; a 10-year study found that 70% of people had a positive patch test when exposed. Sandee Lamotte, CNN, "Seven sunscreen chemicals enter bloodstream after one use, FDA says, but don't abandon sun protection," 21 Jan. 2020 Folks who have acne-prone skin should be aware that shea butter can clog pores, so always patch test your products before slathering it all over your stunning face. Meagan Fredette, Teen Vogue, "Does KylieSkin Care Live Up To The Hype?," 22 May 2019 To get to the bottom of your skin woes, your doctor may recommend a patch test. Jessica Toscano, SELF, "Here's What It Means If You Got a Skin Reaction From Your Makeup," 1 Mar. 2019 These creams can cause irritation or allergic reactions, the Cleveland Clinic warns, so patch test any new product on part of your body first before going all in. Korin Miller, SELF, "We Asked Dermatologists How to Prevent Those Painful Ingrown Hairs by Your Vulva," 8 Aug. 2018 Just go ahead and accept that patch tests should be a staple of your routine before going all-in with any new product. Carolyn L. Todd, SELF, "11 Things Dermatologists Want You to Know About Sensitive Skin," 16 May 2018 Alissa noted that the allergy had nothing to do with the hygiene or cleanliness of the place, but suggested that everyone get a patch test just in case. Helena Yeung, Teen Vogue, "Alissa Ashley Posts Microblading Allergic Reaction Video to YouTube Channel," 11 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'patch test.' 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 patch test

1921, in the meaning defined above

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Time Traveler for patch test

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The first known use of patch test was in 1921

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Cite this Entry

“Patch test.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/patch%20test. Accessed 2 Dec. 2020.

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More Definitions for patch test

patch test

noun

Medical Definition of patch test

: a test for determining allergic sensitivity that is made by applying to the unbroken skin small pads soaked with the allergen to be tested and that indicates sensitivity when irritation develops at the point of application — compare intradermal test, prick test, scratch test

More from Merriam-Webster on patch test

Nglish: Translation of patch test for Spanish Speakers

Britannica.com: Encyclopedia article about patch test

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