Stop breakouts on the spot. Knock Out springs into action with a double whammy of 1.8% Salicylic Acid and Wintergreen Extract (AKA nature’s version of SA). This science + nature duo deeply cleanses pores of oil dead skin and breakout-causing bacteria and quickly relieves whiteheads blackheads and occasional breakouts. Willow Bark Extract gently exfoliates and Sambucus Nigra Fruit Juice helps calm irritation to bring your skin back to balance.