How to Use retinoic acid in a Sentence

retinoic acid

noun
  • Also known as tretinoin, retinoic acid is the most bioavailable retinoid.
    — Marci Robin, Allure, 19 May 2021
  • Once it’s applied, retinoic acid gets to work on the signs of aging skin.
    — Lori Youmshajekian, Scientific American, 11 Sep. 2024
  • Once the skin absorbs any of these products, it is broken down into its usable form of retinoic acid.
    — William Truswell, Verywell Health, 30 Oct. 2024
  • About a week later, the group injected the animals with retinoic acid.
    — Amber Dance, Smithsonian Magazine, 31 Jan. 2020
  • The team already knew that retinoic acid can cue the gene circuitry to construct the hindbrain in complex species.
    — Laura Baisas, Popular Science, 22 Feb. 2024
  • Vitamin A can otherwise be known as retinol, retinal or retinoic acid.
    — Delaney Nothaft, USA TODAY, 1 May 2023
  • Once in the skin, it’s converted into retinoic acid, which can work on multiple levels to improve skin.
    — Deanna Pai, Vogue, 4 July 2024
  • Like retinol, this compound is a naturally occurring retinoid that the body converts to retinoic acid.
    — Sarah Jacoby, SELF, 27 Dec. 2021
  • Retinols must be converted to retinoic acid to have an effect, as opposed to prescription-strength retinoids that exist as retinoic acid.
    — Sam Peters, ELLE, 16 Mar. 2023
  • The topical retinoids most commonly used in skin care are retinoic acid, retinol, retinyl esters, and retinaldehyde.
    — Sarah Han, Allure, 7 Jan. 2025
  • The topical retinoids most commonly used in skin care are retinoic acid, retinol, retinyl esters, and retinaldehyde.
    — Sarah Han, Allure, 7 Jan. 2025
  • Retinol, retinal, and retinoic acid are all types of retinoids, which are vitamin A derivatives.
    — Tiffany Dodson, SELF, 30 May 2019
  • Yet retinoic acid signaling was thought to be essential for making a brain, nerve cord and other vital features.
    — Quanta Magazine, 1 Sep. 2020
  • To their surprise, the team found that the sea lamprey core hindbrain circuit is also initiated by retinoic acid.
    — Laura Baisas, Popular Science, 22 Feb. 2024
  • But the only form of vitamin A that your body can recognize is the prescription-strength retinoic acid.
    — Emily Orofino, Harper's BAZAAR, 16 Aug. 2021
  • Retinoid is typically used to describe prescription-strength retinoid products, such as tretinoin and tazarotene, which have retinoic acid.
    — Deanna Pai, Glamour, 25 June 2020
  • One of the main active derivatives of vitamin A, retinoic acid, impacts hair health and growth.
    — Laura Schober, Health, 25 Sep. 2025
  • The only difference is that your body must convert retinol to retinoic acid, while retinoids are already in that active, ultra-potent state.
    — Emily Orofino, Good Housekeeping, 23 June 2021
  • Both retinol and retinoic acid fall under the umbrella of a group of vitamin A derivatives called retinoids.
    — Danusia Wnek, Good Housekeeping, 23 Aug. 2020
  • Then, there are retinols, or a form of retinoids commonly found in over-the-counter skin care products, and retinoic acid, found in prescription medications.
    — Jessica Cruel, SELF, 21 Feb. 2018
  • To be clear, retinoid is the general term for the group of molecules that react with retinoic acid receptors on the skin to address age spots, texture, and wrinkles.
    — Kiana Murden, Vogue, 24 July 2024
  • Marini further explains that our skin has receptor sites like alpha, beta, gamma to recognize and connect with a retinoic acid.
    — Larry Stansbury, Essence, 16 Apr. 2024
  • The formula leans on a retinoid ester, a milder cousin in the retinoid family that converts into retinoic acid through several metabolic steps.
    — Christa Joanna Lee, Allure, 23 Jan. 2026
  • That’s because these medications are formulated to bind to only some receptors for retinoic acid.
    — Sarah Jacoby, SELF, 30 Apr. 2019
  • Breaking that down, retinyl retinoate is a hybrid molecule of retinol and retinoic acid that’s been studied to be eight times more powerful than retinol yet less irritating.
    — Morgan Sullivan, ELLE, 18 July 2023
  • The cue comes from something that is probably in your daily multivitamin–retinoic acid, or vitamin A.
    — Laura Baisas, Popular Science, 22 Feb. 2024
  • Using computer modeling and large drug screens, the team designed and identified small molecules that blocked the enzymes that produce retinoic acid.
    — Khloe Quill, FOXNews.com, 20 Jan. 2026
  • In particular, none of the genes involved in the synthesis, modification or degradation of retinoic acid were present.
    — Quanta Magazine, 1 Sep. 2020
  • The star ingredient is retinaldehyde (often called retinal), a form of vitamin A that’s one quick conversion step away from retinoic acid.
    — Christa Joanna Lee, Allure, 1 Oct. 2025
  • The difference is that retinal is one step closer to retinoic acid, the ingredient that causes the most dramatic changes in your skin’s overall texture and appearance.
    — Justin Fenner, Robb Report, 4 Jan. 2024

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'retinoic acid.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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