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.
1 Redness. 2  Normal healing from a chemical peel involves redness of the treated skin. 3  After a medium or deep chemical peel, redness might last for several months. 4  Scarring. 5  Rarely, a chemical peel can cause scarring â typically on the lower part of the face.