Peter Thomas Roth AHA/BHA Acne Clearing Gel Oil-free, fragrance free maximum strength acne medication with glycolic acid 10% and salicylic acid 2% for normal, oily, combination or problem skin types

Directions
Skin should be cleansed thoroughly. Apply a thin layer to entire affected area every other night, then gradually increase to once or twice daily or as directed by a doctor. If bothersome dryness or peeling occurs, reduce application to once a day or every other day.