Immunotherapy helps to strengthen or restore the immune systemâs ability to fight cancer. Immunotherapy is sometimes called biological therapy. You may also hear the term immune-oncology, which is the study of how the immune system interacts with cancer cells in order to find ways to prevent or treat cancer.
1 According to TheDocShop.com the cost of a light chemical peel can be anywhere from $150 to $300 while medium to deep chemical peels can cost $1,000 to $6,000.2  Each peel can take anywhere from 10 to 60 minutes to have done. The average deep chemical peel can cost a patient anywhere from $200 to as much as $5,000. 2  Keep in mind that there are occasions where the patient is going to need more than one visit to the dermatologist.
The chemical peel is a procedure where a chemical solution is applied to the skin that makes the top layers of skin âblisterâ and peel away, revealing newer skin underneath. A chemical peel usually involves approximately 5 to 7 days for recovery time. The results may last for at least a year or more and with continued sun protection far longer. The results last depending upon how deeply the skin was treated.