What Causes Hair Dandruff?

Dandruff is a common skin condition that causes white or gray flakes of skin to appear on the scalp and in the hair. The flakes are often noticeable if they fall from your scalp on to your shoulders. Your scalp may also feel dry and itchy.


Dandruff isn’t contagious or harmful, but it can be unpleasant and difficult to get rid of. Here 15 common Causes of Hair Dandruff:


Failure to Brush Hair on a Regular Basis

This is one of the most common causes of dandruff. Inability to brush the hair regularly reduces the aiding of shedding skin hence dandruff accumulates in the hair. Most people who do not comb their hair have a higher risk of having dandruff.



Being Sensitive to Yeast

Most individuals who are susceptible to yeast are in the greater danger of having dandruff. The best remedy for this is the UV rays from the sun. This is why such people often have more dandruff during the winter as compared to the summer.



Having a Dry Skin

People with dry skin have higher chances of getting dandruff compared to those without. This gets worse in the winter since the cold air, and overheated rooms are there. This causes an itchy feeling that makes people feel like scratching. This is mostly noticed to come in the form of small flakes.

dry skin


An Irritated and Oily Skin

The condition Seborrheic dermatitis is known to have a higher risk of having dandruff. This case, however, does not only affect the scalp but other areas such as eyebrows and the breastbone. This is one of the most common reasons why people with oily skin have dandruff.



Failure to Use Enough Shampoo

When you use the less quantity of shampoo than required, there can be a build-up of both oil and skin dead cells. This will eventually cause dandruff, but you should know that this concept has not been proven yet by the experts.

Failure To Us Enough Shampoo



There is some disease that makes people produce many dead cells that eventually cause dandruff. For instance, Parkinson’s disease is one of the conditions that make people have a lot of dandruff.



Skin Conditions

Some individuals with skin orders are more likely to have dandruff compared to those without. Some of these skin conditions include eczema among many others.



Reactions to the Hair and Skin Products

Different people have different reactions to different hair products. For some, the reaction might be an itchy or a scaling scalp.

Reactions To the Hair and Skin Products


Using Too Much Shampoo

Using too much shampoo is known to irritate the scalp hence causing dandruff. People, therefore, have to know the limits that they are not supposed to exceed when using the shampoo.




Malassezia is a fungus that exists in each and everybody’s scalp and does not cause any problems provided it remains in the required amount. If it exceeds this amount, the results can be devastating.


This fungus feeds on the oil that people's follicle secrete. This results in scalp irritation and increased production of dead cells. When these cells die and fall off, they form dandruff.


Deficiency of Nutrients

Experts have noted that people who take diets with fewer vitamins, zinc and given types of fats have higher risks of having dandruff. This, therefore, requires that people make a diet that is rich in these nutrients so that they reduce these chances.



Being Mentally Stressed

There is a relation between mental stress and skin problems. This, therefore, means that when people are stressed up, they are likely to have a dead cell production. This will, therefore, result in dandruff.

Being Stressed Mentally


Being HIV Positive

Researchers have noted that a significant number of people that have this virus are at greater risk of producing more dandruff. This comes about as a result of most of them having seborrheic dermatitis which increases the production of dead cells.

Also Read: Signs of being HIV positive




This is a skin disorder that accumulates the dead skin cells so that they form silvery scales that are thick. This affects the scalp and is usually difficult to differentiate with seborrheic dermatitis, but this is only when you consider the scalp.



Being Dirty

This is simply because the dead skin cells will accumulate hence increasing the risk of you having dandruff. When people wash the scalp, they remove these fallen off skin cells hence preventing their accumulation.

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