mhra971 mhra971
  • 03-01-2022
  • Biology
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Heellpppp plelelelesssee

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Martebi
Martebi Martebi
  • 21-01-2022

There are different reasons for formation off things. The blackheads are formed when sebaceous glands become clogged.

How do whitehead and blackhead form?

When sebaceous gland's duct is known to be blocked by sebum, a whitehead is therefore seen or show forth on the skin surface.

When the built up material oxidizes and dries, it therefore darkens, and then create a blackhead.

Learn more about blackheads from

https://brainly.com/question/4118643

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