How to Use lactic acid in a Sentence

lactic acid

noun
  • To the third wine, Emma had added both acetic acid and lactic acid.
    — Per and Britt Karlsson, Forbes, 21 June 2021
  • But seriously, there is so much love about this lactic acid serum.
    — Jamie Wilson, Glamour, 12 Dec. 2023
  • The cheese flavor comes from an artful blend of yeast, lactic acid and sourdough.
    — Jolene Thym, The Mercury News, 22 Jan. 2025
  • Instead, use lactic acid in the morning and save your retinol for your evening routine.
    — Georgia Day, Vogue, 13 Nov. 2025
  • Plus, a blend of amino acids, birch juice, and lactic acid helps support the skin barrier.
    — Conçetta Ciarlo, Vogue, 19 Mar. 2026
  • The good news is that acids (like the lactic acid in this natural serum) help break down the bumps and smooth them away.
    — Chloe Metzger, Marie Claire, 3 Aug. 2018
  • As lactic acid accumulates, the milk grows more acidic.
    — Samantha Agate, Kansas City Star, 23 May 2026
  • These lure mosquitoes with a bait of lactic acid that mimics human sweat.
    — Degen Pener, Travel + Leisure, 6 Apr. 2026
  • This creamy clay mask is infused with volcanic clusters from the island and lactic acid.
    — Kiana Murden, Vogue, 8 July 2024
  • That was supposed to help reduce the build-up of lactic acid and allow the horses to run longer.
    — Fox News, 10 May 2018
  • Rough skin, calluses, and cracks melt away thanks to a mix of glycolic and lactic acids.
    — Mary Honkus, Glamour, 16 July 2025
  • Each sip is lightly sweet and satiny soft, thanks to the lactic acid left over from the clarifying process.
    — Sam Stone, Bon Appetit Magazine, 5 May 2025
  • If your skin is on the sensitive side, consider lactic acid.
    — Jacqueline Kilikita, Refinery29, 20 Jan. 2026
  • The lactic acid in yogurt is gentler than vinegar or lemon juice, so the chicken will not turn soft or mushy.
    — Beth Dooley, Boston Herald, 9 July 2025
  • During this time, probiotics found in the foods produce lactic acid.
    — Merve Ceylan, Health, 28 Nov. 2025
  • That’s when the wine’s malic acid (the same acid found in apples) converts to lactic acid (the same acid found in milk).
    — Esther Mobley, SFChronicle.com, 27 Oct. 2017
  • As more lactic acid forms, the milk becomes more acidic, the flavor turns tangy, and the texture begins to shift.
    — Samantha Agate, Miami Herald, 23 May 2026
  • The addition of lactic acid keeps shine at bay and works to purge pores of impurities.
    — Southern Living, 9 Apr. 2021
  • The lactic acid is there to protect the mash from bacteria and whatever else might grow in the mash.
    — Jenn Harrisstaff Writer, Los Angeles Times, 8 Aug. 2019
  • The condition is rare but can be fatal, involving the build-up of lactic acid in the blood.
    — Benedict Cosgrove, Newsweek, 19 Dec. 2024
  • Retinol, lactic acid, and ceramides work to gently promote cell turnover and a brighter, smoother skin tone and texture.
    — Jasmine Washington, Seventeen, 5 Aug. 2022
  • Grimes recommends starting with using a product with lactic acid once and twice a week.
    — Larry Stansbury, Essence, 14 Aug. 2024
  • The rich cream is packed with skin care superstars like lactic acid to plump, smooth, and tighten dry, crepey areas.
    — Kyra Surgent, InStyle, 23 May 2026
  • Plus, lactic acid in the formula helps exfoliate to leave your lips smooth and soft.
    — Samantha Driscoll, Better Homes & Gardens, 4 Oct. 2021
  • Your anaerobic threshold is the point where lactic acid begins to build up in your bloodstream.
    — Nathan Pennington, Outside Online, 12 June 2019
  • This includes lactic acid bacteria, which help support gut health.
    — Lindsey Desoto, Health, 14 Apr. 2026
  • The lactic acid thickens the mixture and gives the cheese its signature subtle tang.
    — Daryl Austin, USA Today, 5 Sep. 2025
  • Some butter is cultured by adding lactic acid bacteria.
    — Rosemary Trout, Scientific American, 27 June 2026
  • Some butter is cultured by adding lactic acid bacteria.
    — Rosemary Trout, The Conversation, 10 June 2026
  • Plus, the blend also includes hyaluronate to moisturize while lactic acid refines the skin to clear pores.
    — Anna Tingley, Variety, 28 Nov. 2022

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'lactic 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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