Joyce Billedeau Dec 27, 2015 | Essential Oil User Testimonial | 0 comments I recently used R.C. essential oil blend to help with a terrible cough due to airborne environmental pollutants. My husband rubbed the oil onto my back at the location of my lungs. Joyce Billedeau Submit a Comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.