alpha hydroxy acid

noun

Definition of alpha hydroxy acid

: any of various carboxylic acids with a hydroxyl group attached at the alpha position specifically : one (such as malic acid or lactic acid) that occurs in natural products (such as fruits, sugarcane, or yogurt) and is used in cosmetics for its exfoliating effect on the surface layer of skin

called also AHA

Examples of alpha hydroxy acid in a Sentence

Recent Examples on the Web

Enter, Skinfix's Renewing Scrub and Renewing Cream, a one-two punch of skin-smoothing glycolic and lactic acids, plus other alpha hydroxy acids, to help minimize the appearance of rough, bumpy skin. Karina Hoshikawa, Allure, "Skinfix's Renewing Body Scrub & Cream Combo Is the Most Effective Keratosis Pilaris Treatment I've Ever Used," 27 Aug. 2018 Gentle exfoliating acids, like glycolic or alpha hydroxy acids, are an effective way to break down the dead skin and oil clogging the pore, Lily Talakoub, M.D., dermatologist at McLean Dermatology and Skincare Center in Virginia, tells SELF. Talia Abbas, SELF, "How to Get Rid of Blackheads on Your Nose, Chin and Forehead," 28 Dec. 2018 This unscented toner relies on alpha hydroxy acids to loosen up gunk that may be clogging your pores. Sophie Wirt, Allure, "Peach & Lily Is Adding 4 New K-Beauty Products to Its Amazing Skin-Care Line," 15 Aug. 2018 Apply a serum with alpha hydroxy acids (AHAs), fruit acids that gently exfoliate skin to reveal fresh, younger cells. Melissa Matthews, Woman's Day, "The Foolproof Anti-Aging Skin Routine," 24 Aug. 2015 Just like non-inflammatory acne, salicylic acid can help those suffering with papules and postules, as well as exfoliants like alpha hydroxy acids (glycolic and lactic acids among others). Molly Nover-baker, Redbook, "How to Get Rid of Annoying Acne, So You Don't Have to Feel Like a Miserable Teenager," 27 Dec. 2016 Top Lab Pick: Eucerin Advanced Repair Hand Cream Eucerin's Advanced Repair Hand Cream contains alpha hydroxy acids, which increases cell turnover. Blake Bakkila, Good Housekeeping, "The 8 Best Hand Creams to Moisturize Dry, Cracked Hands ASAP," 6 Dec. 2018 After plucking or pricking the ingrown hair, treat the area with a chemical exfoliant like salicylic acid or alpha hydroxy acid. Loni Venti, Teen Vogue, "How To Get Rid of Ingrown Hair: 9 Tips to Heal Your Skin," 5 Oct. 2018 This cream-to-foam formula is packed with natural fruit AHAs (alpha hydroxy acids) that work to break down and dissolve dry patches, excess oil, and flakes, leaving you with noticeably brighter and smoother skin. Chloe Metzger, Marie Claire, "The 5 Truly Excellent Beauty Products I'm Loving This Week," 12 Sep. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'alpha hydroxy acid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of alpha hydroxy acid

1899, in the meaning defined above

Keep scrolling for more

Learn More about alpha hydroxy acid

Share alpha hydroxy acid

Statistics for alpha hydroxy acid

Last Updated

17 Feb 2019

Look-up Popularity

Time Traveler for alpha hydroxy acid

The first known use of alpha hydroxy acid was in 1899

See more words from the same year

Keep scrolling for more

More Definitions for alpha hydroxy acid

alpha hydroxy acid

noun
variants: also alpha hydroxy

Medical Definition of alpha hydroxy acid

: any of various carboxylic acids with a hydroxyl group attached at the alpha position specifically : one (as glycolic acid, malic acid, or lactic acid) that occurs in natural products (as fruits, sugarcane, or yogurt) and is used in cosmetics for its exfoliating effect on the surface layer of the skin

called also AHA

Comments on alpha hydroxy acid

What made you want to look up alpha hydroxy acid? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

esteemed in general opinion

Get Word of the Day daily email!

Test Your Vocabulary

What did you just call me?! A Quiz

  • rows-of-various-emoji
  • If a member of the audience describes your speech as bombastic, does that person mean it is:
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!