The application of azelaic acid should be
azelaic acid, which is also a good material for skin care. If you want to make good use of it, you should follow the following methods.

The first one is to cleanse your face. Use a gentle cleansing product to remove the scale and greasy oil on your face, make your skin refreshing, and your pores are unobstructed, paving the way for azelaic acid to enter the skin. After cleansing, wipe it dry lightly, so that no water stains remain.

For the second time, it is advisable to try it carefully. Take a little azelaic acid and place it on the skin behind the ear or on the inside of the arm. Wait for a few days to see if there is any redness, swelling, itching, tingling and other discomfort. If there is no abnormality, it can be applied to the face. This is an important way to prevent skin allergies

When applying, the amount should be moderate. Squeeze out an appropriate amount of azelaic acid cream or gel on the pulp of the finger, gently touch it on the forehead, cheeks, chin and other parts, then gently push it away and apply it evenly to avoid sensitive areas such as eyes and lips. When using for the first time, the concentration should be low and the frequency should be small. For example, once every other day, when the skin is gradually getting better, increase the concentration and frequency, up to once or twice a day.

After applying, sun protection should be given priority. Azelaic acid or to increase the skin's sensitivity to light. After daytime use, you must apply sunscreen, hold a parasol, and wear sunscreen clothing to avoid direct sun exposure, so as to avoid skin damage, chromaticity, sunburn, etc.

All these numbers are the key to the application of azelaic acid. According to this, you can receive the effect of skin care and make the skin radiant.