They might be painful and itchy, which can lead to scabs. The skin disorder is most common in ... but they can also develop on the scalp, legs, and arms. In most cases, the blisters are itchy.

The most common cause of skin cancer (both melanoma and non-melanoma) is ultraviolet (UV) light, according to the NHS. UV light comes from the sun and is also used in sunbeds. Skin cancer is more ...