When trying to use the combination of fruit acid and azelaic acid, it is necessary to consider in detail. Fruit acid, with its unique chemical exfoliation properties, can effectively promote the metabolism of the stratum corneum, improve the texture and color of the skin, and make the skin more tender and smooth. Azelaic acid, in addition to its antibacterial and anti-inflammatory effects, is also effective in regulating oil secretion and improving pigmentation.

However, when used in combination with these two, it may significantly increase the irritation of the skin. Due to their respective effects on the stratum corneum of the skin, combined use may cause excessive exfoliation of the skin, which in turn can cause skin redness, tingling, dryness and desquamation and other uncomfortable conditions.

If you insist on trying to use it in combination, you should first conduct a local skin tolerance test. Take a small amount of fruit acid and azelaic acid products, apply them to the skin behind the ear or inside the arm respectively, and observe for 24 to 48 hours. If there is no allergic reaction such as redness, swelling, itching, etc., you can try the next step.

In actual use, it is recommended to use it at intervals in the initial stage. For example, you can use fruit acid products at night. After the skin has adapted for a period of time, use azelaic acid products at intervals of 1-2 days. At the same time, be sure to do a good job of skin moisturizing and sun protection during use to reduce the risk of skin damage.

If any discomfort occurs to the skin during use, stop using it immediately and seek the advice of a professional dermatologist. Do not treat it blindly to avoid more serious damage to the skin.