There are many reasons for the redness of the skin on the face, many of which are caused by keratosis perfollicularis, thin cuticle, sun exposure or allergy, and it is necessary to clarify the cause of the disease and then carry out medication or laser treatment to repair the skin, such as keratosis perfollicularis can be used externally with retinol cream, and redness caused by sun exposure can be orally niacinamide, vitamin C, and so on. 1. Facial follicular keratosis resulting in redness on the face is generally red cheeks, can be used externally to dissolve the keratin cream such as Vitamin A cream, urea Vitamin E cream. You can use topical creams such as vitamin A cream and urea vitamin E cream to dissolve the keratin. 2. If you are born with thin skin, have a lot of red blood on your face, or have used certain drugs containing hormones that cause atrophic skin flushing, you can use topical pimecrolimus cream, tacrolimus ointment and other immunosuppressants. You can also do pulse laser, photorejuvenation and other laser treatments to repair the stratum corneum. 3. The redness of the skin caused by sun exposure can be oral niacinamide, vitamin C and other drugs to eliminate epidermal inflammation, promote skin metabolism, mild sun exposure redness can be recovered on its own. 4. Allergy caused by the redness of the skin on the face, it is recommended to get rid of the allergic environment, you can orally take ibuprofen tablets, benadryl tablets and other antihistamines anti-allergy treatment. The redness of the skin on the face for a long time does not recover, need to go to the hospital, under the guidance of the doctor treatment.