brady138 brady138

04-01-2019
Health

contestada

A blackhead is an accumulation of oily material produced by what?

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alleah77 alleah77

04-01-2019

The oily material is produced by the sebaceous glands.

The dark black color, however, is not caused by a buildup of dirt, as many people believe. It is actually a build of of excess melanin that is trapped in a gland.

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