What is Dandruff?

Dandruff involves flakes of skin that collect in the hair.

Dandruff is a condition of the scalp that causes flakes of skin to appear. It is accomplained by itching.

Facts on Dandruff:

Here are key points about dandruff.
Dandruff is a common condition but it can be embarrassing and difficult to treat.
It is not related to hygiene but washing and brushing the air can help remove old skin flakes.
Risk factors include having certain or medical conditions and the used of inappropriate hair products.
Various treatments are available over the counter but more severe cases should be seen by doctor.

Causes:


  • The exact causes of dandruff are unknown.
  • One theory is that it is linked to hormone as it often begins around the time of Puberty.
  • Here we look ten more possible factors.
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Seborrheic dermatitis: 

  • People with seborrheic dermatitis have irritated oil skin and they are more likely to have dandruff.
  • Seborrheic dermatitis affects many areas of the skin including the backs of the ears the breastbone eyebrows and the sides of the nose.
  • The skin will be red greasy and covered with flaky white or yellow scales.
  • Seborrheic dermatitis is closely linked with Malassezia a fungus that normally lives on the scalp to and feeds on the oils that the hair follicles secrete.
  • It does not usually cause a problem but in some people it becomes overactive, causing the scalp be become irritated and to produce extra skin cells.
  • As these extra skin cells die and fall of they mix with the oil from the hair and scalp forming dandruff.

Not enough hair brushing:

  • Combing or brushing the hair regularly reduces the risk of the dandruff because it aides in the normal shedding skin.

Yeast:


  • People who are sensitive to yeast have a slightly higher chance of dandruff so yeast may play a part. Dandruff is often worse during the winter month and better the weather is warmer.
  • This may be because ultraviolet A (UVA) light from the sun counteracts the yeast.

Dry Skin:

  • People with dry skin are more likely to have dandruff. Cold winter air combined with overheated rooms is a common cause of itchy, flaking skin.
  • Dandruff that stems from dry skin tends to have smaller, non oily flakes.

Shampooing and skin care products:

  • Certain hair care products can trigger a red itchy, scaling scalp. Frequent shampooing may cause dandruff as it can irritate the scalp.

Certain skin conditions:

  • People with psoriasis, eczema and some other skin disorders tend to get dandruff more frequently than others. Tinea capitis a fungal infection also known as scalp ringworm can cause #dandruff. 
  • Medical conditions: -
  • Adults with Parkinson's disease and some other neurological illness are more prone to dandruff and seborrheic dermatitis.
  • One study found that between 30 to 83 percent of people with HIV have sebrrheic dermatitis, compare with 3 to 5 percent in the general population.

Diet:

  • Not consuming enough foods that contains zinc, Vitamins B and some types of fats may increase the risk.

Mental Stress:

  • There may be link between stress and many skin problems.

Age:

  • Dandruff is more likely from adolescence through middle age, although it can be lifelong. it affects men more than women, possible for reasons related to hormones.

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