Hair loss can be related to allergic reactions - this is known as 'hair loss'. allergic alopecia. Sensitisation to ingredients in hair care products sometimes causes inflammatory reactions on the skin. As a result, this leads to hair loss and their excessive brittleness.

The primary symptoms of allergic scalp diseases are dryness and itching. The increased exposure to unfavourable environmental factors associated with technological and civilisation progress promotes further damage to the skin barrier. Symptoms of excessive epidermal dryness in the scalp take the form of varying degrees of 1TP4Dandruff.

Both immunological and non-allergic factors play a major role in the course of allergic diseases, such as adverse weather conditions, overexposure to detergents, frequent hot and long baths.