Azelaic acid is added to this product, which has a good effect on acne. At the same time, it is a water-soluble acidic gel with mild nature, which will not irritate the skin and make the skin stable.
However, everyone's skin condition and reaction may be different. The specific effect varies from person to person. Before using the product, it is recommended to do a skin test in an inconspicuous place such as the wrist to ensure that you are not allergic to the ingredients in the product.