Though Mike the Tiger has shown improvement since his treatment for cancer, irritation from a radiation burn has caused him to rub hair off his face, according to the live mascot’s Facebook page.

The burn, similar to a sunburn, has caused Mike to rub his face because of irritation, according to the post. Some hair has rubbed off, and an area of the tiger's face has turned purple.

The burn is common after radiation treatment, according to the Facebook page, which is run by the LSU School of Veterinary Medicine.

“Mike does not appear to be in any pain, and the hair he has rubbed off is expected to grow back,” the post reads.

Mike was diagnosed with spindle cell sarcoma on the right side of his face May 12. He received first-of-its-kind radiation therapy June 1 at the Mary Bird Perkins-Our Lady of the Lake Cancer Center.

The tiger’s prognosis is still terminal, and he is expected to die in one or two years.