Skin cancers are the most common cancers, and are usually the most curable cancers as well. Recent evidence from Cochrane systematic review and randomized controlled trial (RCT) showed that protecting from over-exposure to radiation from the sun is the main way that can lower the risk of skin cancer. Surgery and radiotherapy are the standard treatments for basic cell cancer (BCC), but cosmetic results are better from surgery. Imiquimod cream may be effective for superficial and low-risk BCCs and causes little or no scarring, but more research is needed on this and other drug alternatives. Cryotherapy (freezing) is an alternative to surgery, but surgery is better for preventing recurrence of BCCs. Photodynamic (light) therapy and lasers might be able to remove some BCCs with less scarring, but may not be as effective as surgery to prevent recurrence.