The superposition of azelaic acid and retinoic acid
The nourishment of the skin and the superposition of medicine, you need to understand the reason, and be careful about the method, in order to benefit and avoid trouble. Azelaic acid and retinoic acid are also good medicines for skin care, but there is a way to use them superimposed.

If you want to use azelaic acid and retinoic acid, you should first know the nature of the skin. The skin is dry or oily, or sensitive or healthy, each is different. Dry, the skin is dehydrated, prone to dandruff and itching; oily, excessive lipid secretion, often causing acne; sensitive, the skin is thin and delicate, and when irritated, it will be red and itchy. The nature of the skin can be judged, and then the superposition method of medicine can be determined.

On normal skin, first use a gentle cleansing substance to cleanse the surface, remove dirt, and make the skin clear. After the skin is dry, you can take azelaic acid first, apply it thinly to the surface, gently rub and press to make it evenly distributed. Azelaic acid has the ability to resist inflammation, control oil, and exfoliate. It can inhibit Propionibacterium acne, clear the grease of the skin, and make the skin smooth. Wait a moment, wait for it to seep into the skin, and then take retinoic acid and apply it thinly. Retinoic acid can promote keratin metabolism, increase cell renewal, and treat acne, wrinkles and other diseases well. However, it is strong in nature, and it may be irritating when used for the first time, so it should be started from less and thinner.

If the skin is sensitive, you need to be cautious. First pat it on the face with a mild toner to soothe the skin. You can try a small amount of azelaic acid behind the ear or under the mandible every few days to see if it is uncomfortable. If there is no redness and itching, a small amount can be used on the face. And first use retinoic acid dilution, such as lotion or Vaseline mixed with retinoic acid, reduce its concentration, and apply thinly to the face. At the beginning of use, once to twice a week, until the skin gets used to it, then gradually increase the number and dosage. At the same time, strict sun protection is required during the day, because retinoic acid makes the skin more sensitive to light, and it is easy to cause sunburn and pigmentation if you are not careful.

When using these two drugs in combination, you should also pay attention It is advisable to use it at night, because the skin has strong metabolism at night, the effect of the medicine is easy to show, and it can avoid the harm of sunlight. During the medication period, if the skin has discomfort, such as tingling, redness and swelling, stop using it immediately, and consult a doctor to avoid damage to the skin.

In short, azelaic acid and retinoic acid are used in combination. It should be skin-oriented, clear about its nature, careful, and use it in sequence. Strict sun protection, so that you can borrow the power of medicine to nourish the beauty of the skin and obtain a healthy face.