Clearasil Ultra Acne Treatment Cream works by breaking down the dead skin cells to open the pimple, then penetrates deep down into the pore absorbing excess oil and killing pimple causing bacteria to give you visibly clearer skin.Benefits Extra Strength for stubborn pimples Breaks down dead skin cells to open the pimple How To Use Take this test before using, apply on the inside of the elbow and leave overnight. If irritation occurs, do not use Wash face thoroughly. Apply cream to the area affected by pimples. For the first week, apply once daily. Thereafter, apply twice daily. Wash hands thoroughly after use.