Azelaic acid should be used in the morning and evening
For those who use azelaic acid in the way of skin care, people are often confused about how to use it in the morning and evening.

When you wake up in the morning, the skin needs to be repaired at night to protect against external disturbances. Azelaic acid has antibacterial and anti-inflammatory properties, and can help the skin to normalize its keratin. When used in the morning, it can build a protective shield for the skin, resist daytime dust haze, ultraviolet rays and other hazards, reduce the risk of skin inflammation, and make the skin tone even. Its gentle nature is suitable for the sequence of morning skin care. It is used after cleansing and toning, and then supplemented with lotion and sunscreen to strengthen the protective effect.

As for the night sky, the skin enters a period of self-repair. Azelaic acid can help the skin metabolize, exfoliate old keratin, open pores, and relieve acne and acne. Use it before going to bed to cleanse and toner the skin, so that it can help the skin rejuvenate during sleep. However, when using it at night, or if you have sensitive skin, you need to try it on a small scale to prevent discomfort.

In general, azelaic acid is used for heavy protection in the morning and heavy repair at night. People should use it sooner or later according to the nature of their own skin, such as dryness, oiliness, and sensitivity. For dry skin, morning use can add moisturizing protection; for oily skin, night use can control oil and clear pores. For sensitive skin, you need to be careful, test tolerance first, and gradually adjust the dosage and frequency to achieve the best of skin care.