The first thing you need to do is to take a look at the actual product. The first half of the month need to test the blood routine, liver function to clarify whether there are adverse reactions, if there are adverse reactions need to reduce the amount or stop using the drug. 2, milia: the cause is not clear, can appear in the forehead small, corn-sized papules, generally no conscious symptoms, usually not treated, if you need treatment, you can apply freezing, or ionization treatment program.