Dr Ian Webster highlights the impact of actinic keratosis and non-melanoma skin cancer and the use of medical sunscreens containing photolyase for prevention and treatment. Skin cancers are the most common cancers worldwide and in SA. In SA, there are approximately 20 000 reported cases of skin cancer per year. Skin cancers are divided into two groups, namely: malignant melanoma and non-melanoma skin cancer. Fortunately, malignant melanoma isnât as common as non-melanoma skin cancer (NMSC), but it may be fatal. Non-melanoma skin cancers comprise basal cell carcinomas (BCC), squamous cell carcinomas (SCC) and other rare skin cancers (RSC). Although youâre…