Features
Pityriasis simplex capillitii, also known as dry scalp dandruff, is characterized by fine, dry scales that form without inflammation or redness of the scalp. This form of dandruff is usually caused by an increased cell turnover rate of the scalp and is often accompanied by a feeling of dryness and sometimes itching, but without the more severe symptoms of seborrhoeic dermatitis.
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Features
Razor burn is a skin irritation that occurs after shaving. It is typically caused by several factors, including:
Friction: The razor blade can irritate the upper layer of the skin and cause small cuts or micro-injuries. This is especially true if not enough shaving foam or shaving gel is used.
Ingrown hairs: Sometimes hairs grow back into the skin after shaving and cause inflammation.
Sensitivity: Some people have more sensitive skin, which reacts more sensitively to shaving and can develop razor burn.
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Features
Dandruff generally occurs on the scalp in two types - dry or greasy:
Dry dandruff is usually caused by excessive cleansing. If the care content of the products used for cleansing, especially shampoos, is not sufficient, the scalp dries out.
Oily dandruff, on the other hand, usually indicates a scalp fauna that is not in balance. In other words, the natural microbiome of the scalp is disturbed, which in turn stimulates the stratum corneum to form dandruff. Fungal diseases in particular can play a role here.
Dandruff of any kind is often accompanied by itching
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Features
Psoriasis is an inflammatory, non-contagious disease that can also occur on the scalp, especially at the hairline.
Psoriasis is primarily recognizable by reddish, scaly skin changes that can itch. The chronic disease typically progresses in episodes - sometimes with more severe, milder or no skin problems at all.
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Features
Scaly skin is caused by the disturbance of the so-called protective layer of the skin, which is responsible for the balance between the death of old skin cells and the formation of new ones. The causes of scaly skin can be numerous. The protective layer of the skin itself consists of moisture and a lipid film.
The technical term for scaly skin is squama or pityriasis capitis.
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Features
A scaly scalp is characterized by the appearance of visible, dry or greasy skin flakes that detach from the scalp and are often accompanied by itching.
This symptomatology can be attributed to a number of causes, including dry skin conditions, seborrheic dermatitis or psoriasis.
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