according to different people, you should choose the personal anti-acne solution. ( @( c3 V9 J8 J2 b+ Y2 Jtake me for example, the most effective solution is DOCTOR LI's ACNE-PIMPLE MEDICATION(SHEN QI AN CHUANG SHUI). It can solve my acne problem nightly. and it is very cheap, about 36 yuan/ 100 ml in domestic supermarket. it is my optimal choice.