Normally, our skin is constantly creating and shedding cells. Dandruff occurs when the cell-creating and shedding cycle is faster than normal. Causing dead skin cells to form into flakes and scales health. This can be caused by the following:

Seborrheic dermatitis is a condition that causes oily, red, and flaky skin. It can occur anywhere on the body. That has oil glands, including the eyebrows, groin, armpits, or sides of the nose. In children, seborrheic dermatitis is called cradle cap.UFABET 

Malassezia fungus is normally found on the scalp, but when it is in large numbers it can cause the production and shedding of skin cells to be faster than normal, which causes dandruff. Factors that can increase the number of this fungus include age, hormones and stress.

Tinea capitis (scalp fungus) or ringworm of the scalp is a condition in which the fungus spreads deep into the hair follicles, causing an itchy scalp and possibly causing patchy hair loss .

Psoriasis is a chronic inflammatory skin disease that causes itchy , scaly skin. It is similar to dandruff but more severe.

Eczema

 is a common skin condition that can be caused by a number of things, including exposure to allergens, and causes dry, red, flaky, and itchy skin.

Allergic dermatitis is a condition or reaction that occurs as a result of contact with products applied to the head, such as hair dryers, sprays, gels, or styling mousses.

Not washing your hair enough. If you don’t wash your hair regularly, it can cause oil and dead skin cells to build up, leading to dandruff. This can worsen if you’re stressed or exposed to cold weather.

Dry Skin and Scalp A dry scalp can cause flakes similar to dandruff. But they are smaller and less oily, and usually do not cause redness or inflammation. You will also notice that the skin on other parts of the body. Such as the arms and legs, can also become dry.