Skin cancer treatment focuses on removing cancerous cells, preventing spread, and reducing the risk of recurrence. Depending on the type of skin cancer, its stage, and individual patient characteristics, doctors use a range of approaches—from surgery and radiation to newer therapies being tested in clinical trials.

Understanding Your Options: Why Treatment Matters

When someone receives a skin cancer diagnosis, the first question that often comes to mind is: what happens next? The answer depends on many factors. Treatment for skin cancer aims to eliminate cancer cells completely, preserve as much healthy tissue as possible, and maintain quality of life. Most skin cancers, when caught early, respond very well to treatment. The primary goal is complete removal of the cancer while minimizing scarring and other side effects that could affect daily activities.^[1]

Treatment decisions depend on several key factors. The type of skin cancer matters enormously—basal cell carcinoma (cancer forming in the deepest cells of the outer skin layer), squamous cell carcinoma (cancer in the cells above the basal layer), and melanoma (cancer in pigment-producing cells) each require different approaches. The size and location of the tumor, whether it has spread to other areas, the patient’s overall health, and personal preferences all influence the treatment plan.^[2]

Medical societies and organizations have established standard, proven treatments that doctors rely on every day. These treatments have been studied for years and are known to work well for most patients. At the same time, researchers are constantly exploring new ways to fight skin cancer through clinical trials. These studies test innovative drugs and techniques that could offer better outcomes or fewer side effects than current options.^[3]

Proven Approaches: Standard Treatment Methods

Surgery remains the most common and often most effective way to treat skin cancer, especially when the cancer is found early. The basic principle is straightforward: a surgeon cuts out the cancerous tissue along with a small margin of healthy skin around it to ensure all cancer cells are removed. This approach works particularly well for basal cell and squamous cell carcinomas, which tend to stay localized and don’t spread as aggressively as melanoma.^[4]

Several surgical techniques exist, each suited to different situations. Excision involves cutting out the tumor and some surrounding normal skin, then stitching the wound closed. For larger removals, a skin graft might be necessary—this means taking skin from another part of the body to cover the area where the cancer was removed. Another method called curettage and electrodesiccation uses a special scraping tool to remove the tumor, followed by an electric needle that destroys any remaining cancer cells. This technique often works well for small, superficial skin cancers.^[9]

Mohs surgery represents a particularly precise surgical approach. During this procedure, the surgeon removes the cancer layer by thin layer, examining each layer under a microscope immediately to check for cancer cells. This process continues until no cancer cells remain. The advantage is that it removes as little healthy skin as possible, making it ideal for areas where preserving tissue is important—like the face, ears, or hands. The technique also has excellent cure rates, often above 95% for certain types of skin cancer.^[12]

Not all skin cancer treatment requires surgery. Cryotherapy uses extreme cold—typically liquid nitrogen—to freeze and kill cancer cells. The treated area forms a scab that eventually falls off. This approach works well for precancerous lesions called actinic keratosis (rough, scaly patches that can become cancerous) and some small, early-stage skin cancers. The procedure is quick, usually causes minimal discomfort, and can be done in a doctor’s office.^[11]

For certain skin cancers, especially those in difficult-to-reach locations or for patients who cannot undergo surgery, radiation therapy offers an alternative. This treatment uses high-energy rays similar to X-rays to kill cancer cells. A patient typically receives treatment several times per week over several weeks. Radiation might be used alone or after surgery to eliminate any remaining cancer cells. The treated area may become red, sore, or tired during treatment, but these effects usually resolve after therapy ends.^[13]

Some skin cancer treatments come in the form of creams or gels applied directly to the affected skin. Chemotherapy creams contain cancer-fighting drugs that work by destroying cancer cells in the top layers of skin. One commonly used cream contains a drug called 5-fluorouracil (5-FU). Patients typically apply the cream once or twice daily for several weeks. The treated area often becomes red, inflamed, and uncomfortable during treatment, but these effects fade after the cream is stopped. Topical chemotherapy works best for very superficial skin cancers and precancerous lesions.^[14]

Imiquimod cream represents another topical option. Rather than directly killing cancer cells, this medication stimulates the body’s own immune system to attack the cancer. When applied to the skin, imiquimod triggers an immune response that helps destroy abnormal cells. Like chemotherapy creams, it can cause temporary redness and irritation at the treatment site. This approach works particularly well for superficial basal cell carcinomas and certain precancerous conditions.^[13]

Photodynamic therapy, or PDT, combines a special drug with light to destroy cancer cells. First, a light-sensitive medication is applied to the skin or taken by mouth. This drug collects in cancer cells over several hours. Then, a specific type of light is shone on the treated area. When the light hits the drug, a chemical reaction occurs that kills the cancer cells while leaving normal cells mostly unharmed. PDT can be particularly useful for treating multiple areas of sun-damaged skin or for patients with many precancerous lesions.^[12]

Treatment duration varies considerably depending on the approach chosen. A simple surgical excision might be completed in a single office visit, with stitches removed a week or two later. Radiation therapy typically requires multiple visits over several weeks. Topical treatments with creams may continue for four to six weeks or longer. Your doctor will discuss the expected timeline and help you understand what to expect at each stage of treatment.^[10]

Side effects depend on the treatment type and location. Surgery can cause pain, scarring, and temporary numbness. Radiation may lead to skin irritation, fatigue, and changes in skin color at the treatment site. Topical treatments often cause redness, burning, itching, and peeling that can be quite noticeable but typically resolve after treatment ends. Most side effects are temporary and manageable with proper care and medications. Your healthcare team will help you manage any discomfort and monitor for complications.^[9]

Looking to the Future: Treatments in Clinical Trials

While standard treatments work well for most skin cancers, researchers continue searching for even better options. Clinical trials test new treatments, usually in three phases. Phase I trials focus on safety—determining if a new drug or approach is safe enough to use in humans and identifying the right dose. Phase II trials evaluate effectiveness—does the treatment actually work against the cancer? Phase III trials compare the new treatment directly against current standard treatments to see if it offers advantages. Participating in a clinical trial gives patients access to cutting-edge therapies while contributing to medical knowledge that could help future patients.^[6]

Immunotherapy represents one of the most exciting advances in skin cancer treatment. These medications work by unleashing the body’s immune system to recognize and attack cancer cells. The immune system normally ignores cancer cells because they look similar to normal cells. Immunotherapy drugs help the immune system see the difference. Several types of immunotherapy are being studied for advanced skin cancers, particularly melanoma that has spread to other parts of the body.^[12]

One class of immunotherapy drugs called checkpoint inhibitors blocks proteins that prevent immune cells from attacking cancer. When these “brakes” on the immune system are released, immune cells can more effectively destroy cancer. Drugs targeting proteins called PD-1, PD-L1, and CTLA-4 have shown remarkable results in clinical trials for advanced melanoma and other aggressive skin cancers. Some patients experience dramatic tumor shrinkage and long-lasting responses. However, because these drugs activate the immune system broadly, they can cause side effects like fatigue, skin rash, diarrhea, and inflammation in various organs.^[10]

Targeted therapy drugs work differently from traditional chemotherapy. Instead of attacking all rapidly dividing cells, targeted drugs focus on specific molecules or pathways that cancer cells need to grow and survive. For example, some melanomas have mutations in a gene called BRAF. Drugs that target the BRAF protein (BRAF inhibitors) can shrink these tumors effectively. Other drugs target related proteins in the same pathway, like MEK. Combining BRAF and MEK inhibitors often works better than either drug alone. These targeted treatments have transformed care for patients with advanced melanoma, offering new hope where few options existed before.^[12]

Clinical trials are testing immunotherapy and targeted therapy for earlier-stage skin cancers too, not just advanced disease. Some studies investigate whether giving these drugs before surgery might shrink tumors and make them easier to remove completely. Others examine whether treatment after surgery can reduce the chance of cancer returning. Early results have been promising, with some patients achieving complete responses—meaning no detectable cancer remains after treatment.^[10]

For squamous cell carcinoma that has spread or cannot be removed with surgery, clinical trials are exploring several options. Some studies test immunotherapy drugs similar to those used for melanoma. Others investigate targeted drugs that block growth signals cancer cells need. One drug called cemiplimab, an immunotherapy medication targeting PD-1, has shown benefit for advanced squamous cell carcinoma in clinical trials and has received approval in some countries. Research continues to identify which patients benefit most and how to combine different treatments for better outcomes.^[12]

Clinical trials for skin cancer are happening worldwide. Major cancer centers in the United States, Europe, and other regions conduct these studies. Patient eligibility varies by trial—some accept only specific types or stages of skin cancer, while others have requirements related to age, overall health, or previous treatments. Your oncologist can help identify trials that might be appropriate for your situation. National registries and websites maintained by government health agencies list ongoing trials and provide contact information.^[6]

Researchers are also exploring entirely new approaches. Gene therapy attempts to fix or replace faulty genes that cause cancer. Though still largely experimental for skin cancer, this approach holds future promise. Scientists are investigating vaccines that might prevent certain skin cancers or train the immune system to attack existing tumors. Others study ways to make cancer cells more vulnerable to treatment or to overcome resistance when cancers stop responding to drugs. These early-stage investigations may not help current patients but could transform treatment in coming years.^[12]

Most common treatment methods

• Surgery
  • Excision—cutting out the tumor and surrounding tissue, then closing the wound with stitches
  • Mohs surgery—removing cancer layer by layer while examining tissue under a microscope to ensure complete removal
  • Curettage and electrodesiccation—scraping away the tumor and using an electric needle to destroy remaining cells
  • Lymph node surgery—removing nearby lymph nodes if cancer has spread
• Cryotherapy
  • Using liquid nitrogen to freeze and destroy cancer cells and precancerous lesions
• Radiation therapy
  • Using high-energy X-rays to kill cancer cells, often given over several weeks
  • May be used alone or after surgery to eliminate remaining cancer cells
• Topical treatments
  • Chemotherapy creams like 5-fluorouracil applied directly to the skin to kill superficial cancer cells
  • Imiquimod cream that stimulates the immune system to attack cancer cells
• Photodynamic therapy
  • Applying a light-sensitive drug to the skin, then using special light to activate it and destroy cancer cells
• Immunotherapy
  • Checkpoint inhibitors that block proteins preventing immune cells from attacking cancer
  • Drugs targeting PD-1, PD-L1, or CTLA-4 proteins to unleash immune response
  • Primarily used in clinical trials for advanced melanoma and aggressive skin cancers
• Targeted therapy
  • BRAF inhibitors for melanomas with BRAF gene mutations
  • MEK inhibitors often combined with BRAF inhibitors
  • Drugs that target specific molecules cancer cells need to grow

Life After Treatment: Prevention and Ongoing Care

Successfully treating skin cancer doesn’t mean the journey ends. People who have had skin cancer face a higher risk of developing new skin cancers in the future. This makes ongoing monitoring and prevention crucial. Most doctors recommend regular self-examinations—checking your entire body once a month for new or changing spots. Annual visits to a dermatologist for professional skin checks help catch any problems early when they’re most treatable.^[16]

Sun protection becomes even more important after a skin cancer diagnosis. Ultraviolet radiation from the sun causes most skin cancers, so limiting exposure helps prevent new cancers from forming. This means seeking shade during peak sun hours (typically 10 a.m. to 4 p.m.), wearing protective clothing including long sleeves and wide-brimmed hats, and applying broad-spectrum sunscreen with SPF 30 or higher every day—even on cloudy days. Avoid tanning beds completely, as they emit harmful UV radiation that significantly increases skin cancer risk.^[18]

Many skin cancer survivors find that their diagnosis prompts lifestyle changes beyond sun protection. Some people quit smoking, as smoking can interfere with healing and may affect immune response. Others focus on eating a healthier diet, getting regular exercise, and managing stress. While these changes don’t directly treat skin cancer, they support overall health and well-being during and after treatment. Emotional healing takes time too—it’s normal to feel anxious about recurrence or to experience fear when seeing new spots on your skin.^[17]

Support resources exist to help patients cope with the emotional aspects of skin cancer. Many cancer centers offer counseling services or can refer patients to therapists who specialize in helping cancer patients. Support groups—whether in-person or online—connect people who understand what you’re going through. Sharing experiences with others who have faced similar challenges can reduce feelings of isolation and provide practical tips for managing treatment side effects and emotional concerns.^[19]