You'll never look at melted butter the same way again. In a new YouTube video, aka, dermatologist and extracts a series of from a patients stomach. Steatocystomas are noncancerous cysts that grow in the skin's sebaceous glands and contain an overload , an oil that naturally moisturizes the hair and skin. In this particular patient, Dr. Lee says the sebum looks like butter, thanks to the yellow hue of the substance.

In the extraction video, the patient can be seen to have a stomach speckled with steatocystomas. These rare cysts usually occur during puberty, according to the video description, and are common on the chest, armpits, and neck. Dr. Lee uses a scalpel, tweezers, and a pin-like tool to poke the cysts, resulting in melted butter-like sebum spilling from the incision. Though sebum can be many different colors from green to gray to white, a buttery is the most common, being what people often think of when it comes to cyst contents.

Besides containing melted butter, some of the cysts in the video contain , which are the barely-noticeable hairs humans have all over their body. In the case of vellus hair cysts, these collect inside the cyst resulting in hairy sebum. Try to make it to the end of the video (if you dare) to see this under a microscope.

Watch the video here: