trichloroacetic acid
noun
tri·chlo·ro·ace·tic acid
ˌtrī-ˌklȯr-ō-ə-ˈsē-tik- 
variants
or less commonly trichloracetic acid
: a strong vesicant pungent acid C2Cl3HO2 used in weed control and in medicine as a caustic and astringent
Examples of trichloroacetic acid in a Sentence
Recent Examples on the Web
While these can be good for rolling and boxcar scars, ice pick scars may require a more intense peel, like TCA (trichloroacetic acid) cross therapy.
—
Aryelle Siclait, Women's Health, 26 May 2023
Common active ingredients in pro-grade peels include glycolic, mandelic, salicylic, and lactic acids, along with trichloroacetic acid.
—Janell M. Hickman, SELF, 27 July 2022
Jessner, which unclogs pores with equal parts salicylic acid, lactic acid, and resorcinol, an antiseptic exfoliant, and trichloroacetic acid (TCA), which helps brighten dull skin, are the most popular options.
—Kaitlin Clark, Allure, 1 Nov. 2021
Medium depth peels are most commonly performed with glycolic acid, trichloroacetic acid (TCA), or Jessner’s solution, which is a mixture of lactic acid, salicylic acid, and an antiseptic exfoliant.
—Julie Ricevuto, Allure, 19 Nov. 2020
For up to medium-depth spot removal, chemical peels including trichloroacetic acid (TCA) or glycolic acid superficially injure the skin to provoke a wound-healing response that expels dark pigment.
—Mackenzie Wagoner, Vogue, 2 Oct. 2020
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Aryelle Siclait, Women's Health, 26 May 2023
Common active ingredients in pro-grade peels include glycolic, mandelic, salicylic, and lactic acids, along with trichloroacetic acid.
—Janell M. Hickman, SELF, 27 July 2022
Jessner, which unclogs pores with equal parts salicylic acid, lactic acid, and resorcinol, an antiseptic exfoliant, and trichloroacetic acid (TCA), which helps brighten dull skin, are the most popular options.
—Kaitlin Clark, Allure, 1 Nov. 2021
Medium depth peels are most commonly performed with glycolic acid, trichloroacetic acid (TCA), or Jessner’s solution, which is a mixture of lactic acid, salicylic acid, and an antiseptic exfoliant.
—Julie Ricevuto, Allure, 19 Nov. 2020
For up to medium-depth spot removal, chemical peels including trichloroacetic acid (TCA) or glycolic acid superficially injure the skin to provoke a wound-healing response that expels dark pigment.
—Mackenzie Wagoner, Vogue, 2 Oct. 2020
Dictionary Entries Near trichloroacetic acid
Cite this Entry
“Trichloroacetic acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trichloroacetic%20acid. Accessed 28 Nov. 2024.
Copy CitationMedical Definition
trichloroacetic acid
noun
tri·chlo·ro·ace·tic acid
ˌtrī-ˌklōr-ō-ə-ˌsēt-ik-, -ˌklȯr-
variants
also trichloracetic acid
: a strong vesicant pungent acid C2Cl3HO2 made usually by chlorinating acetic acid or by oxidizing chloral and used in medicine as a caustic and astringent compare monochloroacetic acid
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