Azelaic acid cream can remove hyperpigmentation, but it is only lightened, not completely removed, need to choose to use according to their own situation. Azelaic acid has the effect of competitive inhibition of complex enzyme acid, mainly used in the treatment of acne, with anti-inflammatory effect, azelaic acid cream topical application on the surface of the skin, but also can lighten the melanin pigmentation, reduce the production of melanin, improve the melanin pigmentation, but also only for mild melanin or spots. If you want to get rid of melanin deposits, daily attention should be paid to moisturizing, sunscreen, avoid direct sunlight, but also through the medical beauty means of laser treatment, it is not recommended to long-term use of any azelaic acid cream, so as not to produce discomfort to the body. Azelaic acid cream can only alleviate melanin deposits, can not be completely cured, if the use of the process of other situations, you should promptly go to the hospital to seek medical treatment under the guidance of the doctor.