Lasers and laser treatments are under investigation for being able to safely remove skin cancer, but the risk that some cancer cells remain under the surface is still there. Without checking the skin cells themselves under a microscope to be sure, there is a risk that skin cancer may recur underneath the surface. In certain cases where someone is not a good candidate for surgery, this may be an option to consider, but the gold standard for skin cancer treatment is still surgical removal with margins being checked under the microscope.