Discussion on whether azelaic acid and benzoyl peroxide can be combined
The way of skin care for husband, the compatibility of ingredients is related to efficacy and skin safety, and it should not be careless. Azelaic acid and benzoyl peroxide have unique effects in the field of skin care, but whether they can be combined is a matter of concern to many beauty lovers.

Azelaic acid is mild in nature and has many benefits for the skin. It can inhibit the synthesis of microbial proteins, has the ability to inhibit Propionibacterium acne, and can regulate the keratinization of hair follicles and reduce the generation of acne. In addition, azelaic acid has anti-inflammatory effects and can reduce inflammatory reactions, which is quite suitable for skin diseases such as acne vulgaris.

Benzoyl peroxide is also a commonly used ingredient in skin care, which has a long reputation in the field of acne treatment. Benzoyl peroxide can slowly release new ecological oxygen and benzoic acid, which has the effect of killing Propionibacterium acne, anti-inflammatory, and can improve acne symptoms.

As for the compatibility of the two. From the perspective of the mechanism of action, azelaic acid works by inhibiting microorganisms and regulating keratinization, while benzoyl peroxide releases reactive oxygen species to sterilize and anti-inflammatory. The two have different ways of action and seem to be complementary. However, it should be noted that benzoyl peroxide has strong oxidative properties, and some people may cause skin dryness, desquamation, erythema and other irritation reactions after use. If combined with azelaic acid, such irritation reactions may be exacerbated.

Therefore, before the combination, it should be tried on a local small area of skin to observe whether there is any discomfort. If the skin tolerates well, you can try the combination, but it is recommended to follow the principle of step by step, starting from low concentration and less frequency, so that the skin can gradually adapt. And during the combination process, you need to pay close attention to the skin reaction. If there is serious discomfort, you should immediately stop using it and seek professional help.

In conclusion, azelaic acid and benzoyl peroxide can be used in combination in theory, but when applying it in practice, you must choose carefully according to the individual skin condition, so as to achieve the purpose of optimal skin care and maintain the health of the skin.