Scalp pain and irritation (or trichodynia) are pathological conditions that affect both women (in a greater percentage) and men (in a lower percentage). The pain felt on the scalp, spontaneous or caused by treatment, and in particular around the roots of the hair, may be more or less intense, alternating at times between periods of disappearance, associated with burning, tingling or itching.

Seborrheic dermatitis is a very common scalp condition characterized by the presence of yellow and oily flakes on the skin. It is associated with erythema, small scaly, and intense itching. Seborrheic dermatitis is a well-known condition but is still not easily identifiable. Many men and women starting from puberty have oily, greasy, shiny and thickened skin with large hair follicles, especially noticeable around the nose and mouth, forehead, torso, scalp (affected by so-called oily dandruff).

The hair on our bodies has a particular structure and is divided into thin and thick hair. Thin hair, also called lanugo or vellus, is located on all skin surfaces except for the palms of the hands and the soles of the feet. Thick hair, also called terminal hair, is dark and located only in some areas such as the scalp, the armpits, the pubic area, the beard area in the case of men, etc…

A hair follicle is a formation of epidermal origin, anchored in the dermis and consisting of a hair and its sheath. The formation of hair follicles occurs early. They begin to appear as early as the second month of gestation. These follicles will continue to form for the entire duration of the pregnancy. At birth, the baby will indeed have the entire supply of follicles with which it was genetically equipped and from this moment on, no others will form.

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. La psoriasi è un’anomalia annoverata tra le malattie della cute. Essa può insorgere a qualsiasi età ed ha la stessa incidenza sia negli uomini che nelle donne. Le placche o scaglie forforose (simili a quelle della forfora) possono essere molto varie sia nello spessore che nell’estensione e si staccano facilmente. Sotto di esse la pelle, a causa dell’irritazione, si presenta infiammata e di colore rosso vivo.

On désigne par hyperhidrose une production excessive de sueur, sur toute la surface du corps ou seulement sur certaines zones (en particulier le cuir chevelu, la paume des mains la plante des pieds).

Hyperseborrhea or hypersecretion of sebum is simply a scalp problem due to an excessive production of sebum caused by hyperactivity of the sebaceous glands. Immediate symptoms of hyperseborrhea are scalp itchiness and pain. However, a later symptom is hair loss.

La peau sèche, ou astéatose, est un problème de cuir chevelu consécutif à une carence en lipides. Cette anomalie, souvent associée à une sévère déshydratation, est due aussi bien à des causes internes qu'à des facteurs externes.

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.