Achieve clearer skin with my charcoal facial scrub. This detoxifying scrub is made with charcoal and Lorna’s liquid Castile soap to help clear clogged pores and reveal brighter, cleaner skin. Essential Oil – Eucalyptus. You only need to put a finger tip amount on your face and rub it into the skin. It will lather up nicely. No need to put a lot on like on customer did. A finger tip is enough to rub all over your face and neck. Look at your face in the mirror after using this Charcoal Facial Scrub.