Dioic acid is an organic compound found in animal fats and vegetable oils like sunflower seeds. In chemistry, dioic acids are a group of acids that contain dicarboxylic acids with the suffix -dioic. These acids help to reduce excess sebum and the presence of P. acnes bacteria while improving the appearance of uneven skin tone.

Skin benefits of dioic acid include reducing sebum production on the skin and diminishing P. acnes bacteria. Both factors can contribute to the presence of acne. Dioic acid can also help to brighten skin by evening skin tone. This chemical helps to fade hyperpigmentation and dark spots by regulating melanin production.

Yes, dioic acid is safe to use in skincare. This ingredient works well to support even skin tone and reduce blemishes.

Formulas containing dioic acid can be used once or twice daily by applying four to five drops to dry skin.