What is a piece of dandruff?
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A piece of dandruff is usually considered and long-term not shampoo, seborrheic dermatitis, psoriasis and other factors related.
1, long-term not shampoo under
normal circumstances, it is recommended to wash the head every 2-3 days to keep the scalp, hair clean. If you do not wash your hair for a long time, it may be because the scalp secretes too much oil, accumulated in the scalp and form a piece of dandruff.
2, seborrheic dermatitis
Relatively speaking, the head sebaceous glands are rich, and sebum secretion will cause excessive proliferation of Malassezia, the bacteria under the action of lipase, will decompose sebum, resulting in abnormal differentiation of keratinocytes, block dandruff.
3, psoriasis
is caused by dermatophyte infection, and dermatophytes will destroy the microecological balance of the scalp, so that a piece of dandruff appears on the head.
