Azelaic acid, also known as azelaic acid, has certain effects on removing acne marks. Azelaic acid is a topical antibacterial agent, with certain anti-inflammatory, prevent hyperkeratosis of hair follicles, reduce skin oil and other effects, also has anti-proliferative and anti-cell toxin effects, commonly used clinically in the treatment of acne, pigmentation, etc., has a certain effect on pigmentation caused by black spot disease, etc., can eliminate acne marks and tighten pores. When removing acne marks with azelaic acid treatment, apply warm water to clean the face and then take an appropriate amount of this product and apply it evenly on the affected area, and the course of treatment can be several months. After using azelaic acid treatment, there is generally no systemic adverse reactions, but some patients may have local irritation symptoms, such as producing local itching, burning sensation or red spots, which are generally temporary, and the discomfort symptoms can gradually disappear after 2-4 weeks of medication. During the treatment of azelaic acid acne marks, you should also avoid staying up late, ensure sufficient sleep time and pay attention to the combination of work and rest. It is recommended to exercise properly and avoid the intake of spicy, high-fat and high-sugar foods to avoid triggering or aggravating acne, in addition, do not squeeze acne with your hands during acne. If the effect of using azelaic acid to get rid of acne marks is not obvious, you can also go to the hospital, under the guidance of the doctor through the laser to get rid of acne marks.