How to Use Toner-After washing your face, take an appropriate amount and apply from the inside to the outside. Emulsion-After using the skin, take an appropriate amount and apply it from the inside to the outside. Radical Essence-At the essence stage, take a small amount on your fingertips or palms and apply evenly over the entire face. Enrich Essence-Apply around the face, neck and eyes that need care during the essence stage. Ampoule-Apply around the face, neck and eyes that need care at the ampoule stage. Cream-At the cream stage, take an appropriate amount and apply from the inside out. Eye Cream-At the eye cream stage, take an appropriate amount and apply from the inside out.