Structure and chemical composition of the scalp
The scalp is an ultra-specialized area of the skin, where hair is anchored. Like other hair, also the hair on the scalp originates from a hair follicle, called a bulb.
Scientific collaboration between Professor Marco Toscani and Dr. Pasquale Fino, Chair of Plastic, Reconstructive and Aesthetic Surgery, Umberto I Health Center – “Sapienza” University of Rome.
This is very short hair, between 1 cm and a maximum of 2 cm in length, which usually has insufficient pigmentation. This hair has a base structure that is quite large, almost like normal hair. It then tends to get smaller towards the end, thus taking on the form of a very pointed cone.
This hair has a strong tendency to fall out.
Cuneiform or dwarf hair looks a lot like hair in a normal growth phase. However, unlike this hair, it does not grow beyond this length and has the tendency to disappear permanently.
This phenomenon is notable during the terminal phase of seborrheic hair loss, characterized by hair loss caused by seborrhoea.
The scalp is an ultra-specialized area of the skin, where hair is anchored. Like other hair, also the hair on the scalp originates from a hair follicle, called a bulb.
The phenomenon of split ends, also called trichoptilosis, is a hair problem that depends on an alteration of the hair shaft with concurrent modification and deterioration of the structure, form and physiology of the hair.
A shedding of hair is considered physiologically normal when hair loss is limited to around one hundred hairs per day. During an individual’s life hair grows, falls out and regrows around twenty times. Each cycle, especially for females, may last up to six years and if hair loss is found within this time frame, it is considered absolutely physiological.
La psoriasi è una frequente dermatosi cronica eritemo-squamosa con squama tipica (psoriasica), circoscritta o diffusa.
La psoriasi è un problema del cuoio capelluto non annoverata tra le cause che comportano la caduta dei capelli.
The term Telogen Effluvium was introduced for the first time by Kligman (*) in 1961 to introduce an acute hair loss of benign origin that follows an intense and short period of stress of different types. Subsequently, Rebora (**) introduced the concept of chronic Telogen Effluvium.
Seborrheic hair loss is a form of premature hair loss that generally afflicts men in their youth (onset between 20 and 30 years of age), mainly affecting the frontal region and the crown. The cause, as the name of the condition suggests, is related to an excess production of sebum that provokes or accelerates hair loss.
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