Please, please be careful using heating pads especially if you are having skin issues and particularly when if using on your back you can't monitor the appearance of the skin! You can sustain serious burns to the back doing that. I use "Medline Remedy Skin Repair with Olivamine. Medline skin care products were the preferred company for many Nursing Homes and Rehab Centers that I worked as their Director of Nurses. Love Medline products......available through Amazon.