Dioic Acid: Understanding its Benefits and Uses

Dioic acid: The Secret to Clearer Skin

Are you struggling with acne or uneven skin tone? There may be a solution that you haven’t yet tried: dioic acid. This potent ingredient has been gaining popularity in the skincare industry, and for good reason. In this article, we’ll dive into what dioic acid is, how it works, and which products contain this powerful ingredient.

What is Dioic Acid?

Dioic acid is a type of dicarboxylic acid, which is a molecule that contains two carboxylic acid groups. The specific type of dioic acid used in skincare products is often derived from natural sources, such as oleic acid from olive oil or sebacic acid from castor oil. It is most commonly found in skincare products that target acne or hyperpigmentation.

How Does it Work?

One of the main reasons dioic acid is effective at improving skin concerns such as acne and uneven tone is its ability to regulate sebum production. Sebum is the natural oil produced by the skin that can contribute to acne when overproduced. Dioic acid has been shown to decrease sebum production, which can help prevent breakouts.

In addition to regulating sebum production, dioic acid also has brightening effects on the skin. It works by inhibiting tyrosinase, an enzyme that contributes to the production of melanin. This makes it a great ingredient for tackling hyperpigmentation and dark spots.

Which Products Contain Dioic Acid?

One popular product that contains dioic acid is the SkinCeuticals Blemish + Age Defense serum. This product targets both acne and signs of aging, making it a great option for those with mature skin who also struggle with breakouts.

If you’re looking for a gentler option that won’t dry out your skin, the Paula’s Choice 10% Azelaic Acid Booster is a great choice. While it contains a different type of acid (azelaic acid), it has similar brightening and acne-fighting effects to dioic acid.


Dioic acid is a powerful skincare ingredient that can help regulate sebum production, brighten the skin, and improve acne and hyperpigmentation. If you’ve been struggling with these skin concerns, consider incorporating a product with dioic acid into your routine. With consistent use, you may start to see clearer, more even skin tone.

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