The theory of azelaic acid and rosacea
In recent times, doctors have studied the treatment of rosacea, and the effect of azelaic acid in it is quite remarkable.

Azelaic acid has multiple pharmacological functions. It can inhibit the keratinization of the hair follicle sebaceous gland unit, and restore the keratinization of the hair follicle mouth to normal, without blockage, so as to prevent the retention of sebum and other substances. This has the effect of dredging the blockage of the hair follicle in rosacea. And it can antibacterial and anti-inflammatory, inhibit the propionibacterium acne in the hair follicle, reduce the inflammatory response caused by it, and relieve the redness, swelling, heat and pain of rosacea.

There are many clinical cases to prove. Those who have tasted rosacea, the face is as red as smearing pills, pimples and pustules are seen, and itching and pain are mixed. The doctor uses azelaic acid preparations externally. After a few weeks, the face redness gradually lightens, and the papules and pustules disappear. Looking at the skin, the color tends to be normal, and the inflammation is greatly reduced.

You should also pay attention to the use of azelaic acid. When some people first use it, they may have local skin irritation, such as burning, tingling, itching, etc., but most of them gradually slow down with the increase of time. And the use needs to follow the doctor's instructions, use it according to the correct method and dosage, and do not increase or decrease at will.

In conclusion, azelaic acid is effective in the treatment of rosacea, providing a powerful way for doctors to treat this disease. However, when using medication, it is necessary to be cautious and weigh the pros and cons to maximize the benefits for patients.