Dr. Pimple Popper just slew a new beast — an enormous “unicorn” cyst.

Famed pimple-popping dermatologist Dr. Sandra Lee removed a unicorn horn-esque cyst from a man’s forehead — and the whole procedure is captured in a gross yet satisfying new video.

The doctor — whose YouTube channel showing her popping various cysts and pimples has racked up close to 3 million subscribers — originally thought the ping pong ball-size growth was just a naturally occurring lump because it had been there for more than six years, the Mirror reported.

But after a careful incision across the man’s forehead, thick, white puss oozed out of the bump — proving it was a cyst, Lee said.

“He really took good care of the cyst. He nurtured it and let it get nice and to this size and not popped. That’s impressive,” she said in the video.

The man said he tried to pop the lump six years ago but left it alone until it grew in size. He’s now recovering after the procedure.