12/01/2022
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There are many causes of dandruff such as:
The scalp is over-stimulated by factors such as excessive brushing, shampooing or scalp massage. Dry weather, environmental pollution, dust, drying, dyeing, straightening hair too often,...
Infrequent shampooing, oil and scalp cells are not removed in time, which can cause dandruff.
Sensitive scalp, irritated with hair care products, hair styling.
Dandruff is a form of seborrheic dermatitis .
This is a common dermatological disease, in addition to affecting the scalp, the disease also affects the skin in other locations such as in the ears, eyebrows, upper eyelids, forehead, folds extending from the nose to the corners. mouth.
Seborrheic dermatitis occurs when the sebaceous glands are overactive, creating an opportunity for some inflammatory skin reactions to occur. The cause of this phenomenon may be due to genetic factors, the prevalence in the population is 2-5%, if there is a family member with seborrheic dermatitis, the risk of infection in the next generation is very high.
The characteristic of dandruff caused by seborrheic dermatitis is that the scalp is often red, scaly, white or light yellow. The disease is usually mild in the summer, progressing strongly in the autumn and winter.
Psoriasis : The disease causes accumulation of dead cells that form thick silvery scales. Psoriasis often occurs in places such as elbows, knees, .. but can also affect the scalp, causing dandruff.
Eczema : If eczema appears on the scalp it is possible to develop dandruff.
