The strong sebum production and the changing keratinisation the skin causes the execution of programs with yellow white "sausages" made of horn and tallow fill. On the surface they are, if you just handiest as blackheads (comedones) visible: Hubbell tiny white or black dots. The white skin is covered, not the black.
The dark color comes from the fact that in the Horn-/Talgmasse melanin is a little bit – that is the skin pigment, which makes that you will brown if the sun it seems. Furthermore darken the Talg-/Horngemisch by oxidation – the so-called chemical reaction with air. The dark color has nothing to do with dirt. Blackheads with nowhere to eat well. Previously thought but, so hot it is still so. (more…)

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