Disinfect or Sterilize the tool before using. It is recommended that extraction be performed after a steamy shower or facial sauna. Alternatively a hot damp towel may be used to open pores. Blackheads Push the cupped side on top of the blackhead - basically encircling this area with the cup. Apply slow and even pressure lightly until the trapped serum is forced out of the follicle. The blackhead will ooze up and out of the pore. Do not continue to attempt the extraction if the trapped serum is not released easily. Applying too much force can cause infection and scarring.