The fast-drying and oil-free formula not only leaves skin clean and refreshing, but also helps reduce blemishes overnight and effectively prevents re-appearance of blemishes. It deeply exfoliates and unclogs skin pores while helps control oil secretion and reduce excess oil. ***This product contains camphor. Pregnant women, people with asthma or Glucose-6-Phosphate Dehydrogenase deficiency should not use this product.*** how to use Cleanse skin. Click pen to dispense treatment onto pen tip and dab onto affected areas twice daily. Can be used alone or under makeup.