Sebaceous filaments are a normal part of the skin structure, explains dermatologist Loretta Ciraldo, MD. "They are tube-like structures that line our pores," Ciraldo says. "Think of them as the ...

Your sebaceous glands make sebum, an oily or waxy substance that moisturizes and protects your skin and hair. If there’s too much oil, it can cause issues such as clogged pores, acne ...

We have pores all over the body, but particularly on the head and neck, and the face, the nose, we have a large concentration of sebaceous glands, which are the oil-producing glands. And you can ...

Dr. Alejandra Perotti, who studies Demodex mites at the University of Reading in the UK, explains the biology of Demodex mites, which live in the pores ... lives in the sebaceous glands.