Overview

Alpha hydroxy acids are a group of natural acids found in foods. Alpha hydroxy acids include citric acid (found in citrus fruits), glycolic acid (found in sugar cane), lactic acid (found in sour milk and tomato juice), malic acid (found in apples), tartaric acid (found in grapes), and others.

Alpha hydroxy acids are most commonly used for skin conditions such as dry skin, aging skin, or acne.

Not all cosmetics that contain alpha hydroxy acid have the concentration information on the label. For safety's sake, it's best to use products that identify the concentration of active ingredients.

How does it work ?

Alpha hydroxy acids seem to work by removing the top layers of dead skin cells. They can also increase the thickness of deeper layers of skin, promoting firmness.

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