patch test
noun
: a test for determining allergic sensitivity that is made by applying to the unbroken skin small pads soaked with the allergen to be tested
Example Sentences
Recent Examples on the Web Recurrent, itchy bumps, or rashes on the face or hands get the most positive patch test results. 
Parizaad Khan Sethi, Allure, 24 Aug. 2022 For example, one patient's patch test returned a strong positive for ethylenediamine, a more uncommon chemical. Parizaad Khan Sethi, Allure, 24 Aug. 2022 As always, be sure to do a patch test before trying the product all over your body. Alyssa Brascia, Peoplemag, 24 Aug. 2022 An in-office patch test can identify the specific source(s) of the reaction. Sarah Ban, SELF, 3 Aug. 2022 With all of this in mind, Dr. Wang says this ingredient can be irritating to sensitive skin or those allergic to gold, so always patch test this product before applying it to your face. Jennifer Hussein, Allure, 17 Aug. 2022 As stated, that can be difficult to determine; sometimes a patch test is needed to figure out what the body is allergic to. Mona Gohara, Good Housekeeping, 11 Aug. 2022 Before slathering sunscreen all over your body, the National Eczema Association recommends doing a patch test on your wrist or a small area of your skin to ensure that the sunscreen doesn’t irritate you. Mara Santilli, SELF, 3 Aug. 2022 Irritations can make an appearance when exploring new products, so be sure to patch test to see how eyelash serums react on your skin. Jasmine Washington, Seventeen, 1 Aug. 2022 See More
Parizaad Khan Sethi, Allure, 24 Aug. 2022 For example, one patient's patch test returned a strong positive for ethylenediamine, a more uncommon chemical. Parizaad Khan Sethi, Allure, 24 Aug. 2022 As always, be sure to do a patch test before trying the product all over your body. Alyssa Brascia, Peoplemag, 24 Aug. 2022 An in-office patch test can identify the specific source(s) of the reaction. Sarah Ban, SELF, 3 Aug. 2022 With all of this in mind, Dr. Wang says this ingredient can be irritating to sensitive skin or those allergic to gold, so always patch test this product before applying it to your face. Jennifer Hussein, Allure, 17 Aug. 2022 As stated, that can be difficult to determine; sometimes a patch test is needed to figure out what the body is allergic to. Mona Gohara, Good Housekeeping, 11 Aug. 2022 Before slathering sunscreen all over your body, the National Eczema Association recommends doing a patch test on your wrist or a small area of your skin to ensure that the sunscreen doesn’t irritate you. Mara Santilli, SELF, 3 Aug. 2022 Irritations can make an appearance when exploring new products, so be sure to patch test to see how eyelash serums react on your skin. Jasmine Washington, Seventeen, 1 Aug. 2022 See More Word History
First Known Use
1921, in the meaning defined above
Medical Definition
patch test
noun
: 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