What is the black stuff in my pores?

What is the black stuff in my pores? It’s called sebum. Sebum is the oily, waxy substance produced by your sebaceous glands. It mixes with fat molecules to form a protective coating on your skin’s surface. Sebum moisturizes your skin from the inside out.

It’s called sebum. Sebum is the oily, waxy substance produced by your sebaceous glands. It mixes with fat molecules to form a protective coating on your skin’s surface. Sebum moisturizes your skin from the inside out.
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