...20 patients suffering from mild to moderated acne were studied in that research. There are 17 males and 13 female in the studied group. Alpha-hydroxy acid peel (30% concentration of glycolic acid) was applied on one half of the face, while Beta-hydroxy acid peel (30% concentration of salicylic acid) was applied on the other half of the face of each patient. The treatments are done every two weeks for duration of three months. A non-bias evaluator was used to examine the effectiveness of each acid peels on the reduction of acne. Both the evaluator and the patients did not know which sides of the faces were applied with Alpha-hydroxy acid or Beta-hydroxy acid....»
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«...Well, there are several reasons. First, it is hard to pin point what causes acne. There are many possible factors that can lead to the condition. Second, different people respond to different treatments. You may have the exactly the same condition as your friend but that does not mean both of you will respond equally well to the same treatment. ...»
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