Hugh Jackman has been treated for skin cancer for the fourth time, and has warned his fans about the dangers of not wearing sunscreen.

The X-men star has previously undergone surgery on his nose three times before, and has now shared a picture of himself on Instagram after receiving treatment for the fourth time

The actor revealed his cancer as basal cell carcinoma, which is the least aggressive form.

The 47-year-old captioned the picture: "An example of what happens when you don't wear sunscreen. Basal Cell.

"The mildest form of cancer but serious, nonetheless. PLEASE USE SUNSCREEN and get regular check-ups."