What substance is the black head of nose?

The blackhead on the nose, also known as blackhead acne, is an open acne (the sebum surface layer blocking pores is directly exposed to the outside and in contact with air and dust in the air).

It is caused by the oxidation of skin oil in the air, which stinks and turns black. Blackhead acne is common in adolescents, and it occurs on the face, chest and back, especially on the nose. It is characterized by the obvious enlargement of pores and the appearance of black spots, which are worm-like after extrusion and black at the top.

Blackhead is a kind of plug, which is mainly composed of sebum, cell debris and bacteria. Blocking at the opening of the hair follicle. Coupled with the dust, dirt and oxidation in the air, the end in contact with the air gradually turns black, so it has such an unsightly title-blackhead.

Extended data:

Reasons for the formation of blackheads:

1, increased oil secretion:

Endocrine disorder will lead to an increase or relative increase in androgen secretion. Hyperkeratosis of the skin will lead to occlusion, and it will also block pores, stimulate sebaceous gland hypertrophy and proliferation, lead to an increase in oil secretion, and eventually lead to acne.

2. Bad habits:

Eating habits, bad living habits, drug effects, improper use of cosmetics and environmental factors may all lead to the formation of acne.

3. Reasons for improper cleaning:

Improper cleaning will cause pore blockage and bacterial infection. Or squeezing, picking and picking needles improperly: some people have acne, and squeezing will cause bacterial infection.

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