Wet cupping creates a mild suction by leaving a cup in place for about 3 minutes. The therapist then removes the cup and uses a small blade to make light, tiny cuts on your skin. Next she does a second suction to draw out a small quantity of blood.You might get 4-6 cups in your first session.Afterward your skin should look normal again within 10 days.Cupping therapy removes harmful substances and toxins from the body to promote healing.