Skin cells that grow and die too fast are the major problem. Why this happens is not clear. A fungus called Malassezia can contribute to dandruff. This type of fungus lives on the scalp of adults without creating any problems. In one research it is found that the immune system of a person with dandruff can overreact to that fungus. Now a day’s various products are available in the market which helps to reduce dandruff, but mainly dandruff is coming due to multiple reasons, so people have to know how to get rid of dandruff so that it not coming frequently.

Several causes of dandruff: - The exact causes of dandruff are unknown. A researched theory explains that it linked to the production of hormones since it often begins around puberty.

1. Seborrheic dermatitis: - Dandruff involves skin flakes that accumulate in the hair. People with seborrheic dermatitis have irritated and oily skin, and to have dandruff near ears, sternum, eyebrows and sides of the nose. The skin will be red, the oils that secrete the hair follicles. It does not cause problems, but it also depends upon the people too, in some people it becomes overactive, which causes the scalp to become irritated and produce extra cells in the skin and at last the hair and scalp oil, forming dandruff.

2. It is not enough to brush your hair: - The fact of combing or combing the hair repeatedly reduces the threat of dandruff, as it helps the normal removal of the skin.

3.Yeast: - People who are sensitive to yeast have a somewhat higher chance of dandruff, so the yeast can play an important role. Dandruff is usually worse during the winter months and improved when the weather is getting warm. This is because of the ultraviolet A light (UVA) of the sun counteracts the yeast.

4. Dry skin: - People with dry skin are likely to have dandruff. Cold winter air combined with warm rooms is a primary reason for itching and peeling skin. Dandruff that comes from dry skin tends to have non-fatty flakes.

5.Various Shampoo and advanced skin care products: - Various hair care products can activate a red and itchy scalp. Frequent hair washing can cause dandruff because it can irritate the scalp. Majority of people said that do not wash enough with shampoo can also the reason of buildup of fat and dead skin cells and its leading to dandruff, but no research study that define it is true or not.

6.Various skin conditions: - A person with psoriasis, eczema and other skin disorders leads to getting dandruff more quickly. Tinea capitis is a fungal infection which can cause dandruff.

7.Food: - Not taking enough foods that contain zinc, B vitamins and fats can increase the risk of dandruff.

8. Mental stress:- Stress is the main reasons for various diseases.

Dandruff, those white, dry scales of skin that people remove from their necks or shoulders, is harmless and can be embarrassing. Dandruff is not about your hair; it is about the surface of the scalp. To clean the dandruff many people uses the various product, but ketomac shampoo is the renowned product to get rid of dandruff.