On the compatibility of peroxybenzoyl and azelaic acid
The skin disease of the husband, acne, doctors often use peroxybenzoyl and azelaic acid to treat it. However, whether the two can be used to increase the effect is a common concern for doctors and patients.

Peroxybenzoyl has strong oxidative properties, can break the cell wall of Propionibacterium acne, and can also loosen the keratin, improve the excessive keratinization of the hair follicle mouth, and achieve the effect of treating acne. Azelaic acid is not inferior, which can not only inhibit the reproduction of Propionibacterium acne, but also block the synthesis of melanin, lighten the pigmentation, and has a good effect on the inflammatory papules and pustules of common acne.

As for the compatibility of the two, in theory, there may be a wonderful synergy. Benzoyl peroxide breaks the wall of bacteria, and azelaic acid then produces bacteria. The two complement each other, which can more effectively control Propionibacterium acne. And benzoyl peroxide improves keratin, azelaic acid lightens spots and whitens, and the prevention and treatment of pigmentation after acne, or complement each other.

However, when used in practice, caution is also required. Benzoyl peroxide has strong oxidation, or causes skin irritation, such as erythema, desquamation, burning sensation, etc. Although azelaic acid is mild, it is used in combination with benzoyl peroxide, or it may increase the possibility of skin irritation. Therefore, beginners should try it on a small scale first to see if the skin tolerates it or not. If the skin is sensitive, you should be especially cautious. You can treat one first, and wait for the skin to adapt, and then add another medicine.

In short, if peroxybenzoyl and azelaic acid are properly compatible, it may be a good strategy for acne treatment. When using it, you must weigh the pros and cons, take the patient's skin tolerance as the key, and follow the doctor's advice, so that you can treat the disease safely and effectively.