AHAs – Definition & Meaning

AHAs, or Alpha Hydroxy Acids, are a group of naturally occurring acids that are commonly used in skincare products. These acids are known for their exfoliating properties and are used to improve skin texture, reduce fine lines and wrinkles, and enhance skin radiance. In this article, we will discuss the definition and meaning of AHAs, their origin, associations, synonyms, antonyms, and example sentences.


AHAs are a group of organic acids that are derived from fruits, milk, and sugar cane. These acids include glycolic acid, lactic acid, citric acid, malic acid, and tartaric acid. They are water-soluble and work by breaking down the bonds between dead skin cells, allowing them to be easily removed from the surface of the skin.


AHAs have been used for centuries for their skin benefits. The ancient Egyptians used sour milk to improve the appearance of their skin, while the Greeks and Romans used fruit acids for their exfoliating properties. In the 1970s, scientists began to study the effects of AHAs on the skin, leading to the development of commercial skincare products containing these acids.

Meaning in different dictionaries

According to Merriam-Webster, AHAs are “any of several organic acids (such as glycolic acid and lactic acid) that are typically derived from fruit and milk and used especially in exfoliants and chemical peels to improve the appearance and texture of the skin.”
The Oxford English Dictionary defines AHAs as “a group of organic acids that are used in skincare products to exfoliate the skin and improve its texture and appearance.”


AHAs are commonly associated with skincare products, particularly those designed to exfoliate the skin. They are also used in chemical peels and other cosmetic procedures to improve skin texture and reduce signs of aging.


Synonyms for AHAs include alpha hydroxy acids, fruit acids, and milk acids.


There are no specific antonyms for AHAs, but some people may prefer to use physical exfoliants, such as scrubs or brushes, instead of chemical exfoliants like AHAs.

The same root words

The root word for AHAs is “hydroxy,” which refers to a molecule that contains both hydrogen and oxygen atoms. Other words that contain this root include hydroxyl, hydroxide, and hydroxamic.

Example Sentences

  1. “I’ve been using a skincare product with AHAs, and my skin has never looked better.”
  2. “AHAs are a great option for people with dry, dull skin.”
  3. “I’m considering getting a chemical peel with AHAs to reduce the appearance of my fine lines and wrinkles.”
  4. “Some people may experience irritation or sensitivity to products containing AHAs.”
  5. “AHAs are a natural and effective way to exfoliate the skin and improve its texture.”
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