You can use salicylic acid for acne, which can also be called chemical resurfacing. Skin acne is due to the combination of high sebum secretion, slow renewal of the skin stratum corneum and bacterial invasion. The use of high concentrations of salicylic acid can help the aging skin stratum corneum off, promote skin metabolism, acne effect is obvious. Clinical salicylic acid and fruit acid combined efficacy is better. But the proportion of fruit acid should be slightly higher than salicylic acid. Because salicylic acid is more corrosive. And when brushing acid to protect the eyes, lip corners, the sides of the nose, these parts of the skin is delicate. Usually there is a tingling sensation on the face after acid brushing, when the pain is not very obvious, about 5 to 6 minutes, but the clinical varies from person to person, and then immediately after the neutralizing solution for neutralization, followed by cleansing. Usually once every half month. Please be operated by a specialized physician.