Shea Moisture: Free African Black Soap Mud Mask Sample September 10, 2018 1 CommentThis content uses referral links. Read our disclosure policy for more info. Love a good face mask!? Right now score a ! This fan-favorite African Black Soap Mud Mask blends African Black Soap with Tea Tree Oil to remove dirt and impurities, leaving blemish-prone skin clarified, refreshed and smooth. Hurry and grab your free sample !