When it comes to the dosage of azelaic acid
for treating diseases, the amount of azelaic acid is the most important, and azelaic acid is no exception.

Its use is also, and it should be tested in a low amount at the beginning. The skin's tolerance to the drug is different. If it is applied in large quantities suddenly, it may cause discomfort due to skin intolerance, such as redness, itching, tingling, etc. Therefore, it is advisable to apply a little thinly at the beginning, once a day or every other day, so that the skin can gradually adapt to its nature.

When the skin is slightly comfortable, it can be gradually increased. However, it should not be too hasty to increase, and it must be done step by step. For each increase, the skin's reaction must be observed. Or increase the frequency to twice a day, or increase the amount of application, depending on the state of the skin.

And different skin conditions, the dosage of azelaic acid is also different. For ordinary skin, gradually adjust according to the above method. If the skin is sensitive and weak, it is more appropriate to be cautious. The dosage should be less than that of ordinary people, and the increase should be slower.

Where the medicine is applied, the thickness of the skin on the face, neck, body and other parts is different, and the dosage is also different. The skin on the face is thin and sensitive, and the dosage should be small; the skin on the body is thick, and the dosage may be slightly more.

In short, the dosage of azelaic acid should be determined according to the skin's tolerance, condition and location, and should be used cautiously to achieve the best effect and avoid skin damage.