Domaine scientifique

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.

Both men and women of any age may have dry hair. This situation is endured not only as an aesthetic problem, but in time may represent a problem concerning hair health. Dry hair often appears weak, fragile and tends to become brittle and to break.
Dry hair often has split ends and other forms of damage to the shaft.

Often, the presence of dry hair is accompanied by various symptoms such as: dry and brittle hair with split ends, very thin and dry hair that breaks easily, greasy skin and dry hair, dry skin and dry hair, and dry and thin hair that tends to fall out.

The causes that lead to dry hair vary and are difficult to counteract. When the causes cannot be eliminated, treatments focus on the symptoms. This allows for mitigation of the problem and to make it manageable. Among the endogenous causes, we can list hormonal causes, given that hormones influence the formation of hair and hair follicle activity by inhibiting the production of sebum. Another cause can be identified in dietary deficiencies or in a diet lacking in protein, vitamins or minerals. These nutrient deficiencies modify the keratinization process of the hair, thus causing the hair to weaken and become thin.
Genetic causes must also be mentioned: dry hair is hereditary.
An important cause of dry hair is reduced sebum production.

Among the exogenous causes we can list cosmetic hair treatments such as perms, hair dyes, highlighting and frequent use of a hair straightener. Hair straighteners may break hair just like hair dyes and strong ammonium-based and hydrogen peroxide-based hair decolorations. Moreover, in older age hair tends to become increasingly drier due to the progressive atrophy of adnexa and sebaceous glands.

Washing hair too often and the frequent use of aggressive shampoos may cause dryness both of the hair and of the skin. The use of hair dryers at high temperatures or too close to the scalp is another exogenous cause of dry hair.
Among environmental factors, excessive exposure to sunrays, excessively cold temperatures, salt water, pool chlorine and atmospheric pollution damages hair and makes it dry and brittle.

There are many cases of individuals with oily skin and hair that is dry at the ends. This occurs when an excessive quantity of greasy sebum is produced. Greasy sebum, different than oily sebum, adheres to the scalp and does not lubricate hair. In these cases it is important to wash and cleanse the greasy scalp, nourishing and lubricating dry ends. In a nutshell, this re-establishes the acidic-hydrolipidic balance of the skin in order to make hair healthier and shinier. Dryness of the skin and hair may be caused by two factors. The first depends on a defect in sebum secretion which leads to the quantity of lipids expelled onto the scalp being so low that it is unable to lubricate the skin and hair. The second instead derives from reduced sweating, resulting in the sweat glands not functioning as they should and therefore the scalp does not receive thecorrect amount of water, which has the task of evenly spreading sebum throughout the hair.

Dry skin and hair may, moreover, originate from the combination of the two aforementioned causes.
Dry and brittle hair is often the result of a deficiency concerning the lipids and liquids which normally help to untangle hair. When dry hair is associated with dry skin, a greater supply of lipids, water and nutrients is needed so as to stimulate both sebaceous gland and sweat gland function. Laser therapy vascularizes skin, while a daily scalp massage facilitates the secretion of skin.

When the problem of dry hair is not serious it is possible to opt for natural remedies that strengthen the hair via the use of vegetable oil masks, restructuring masks, nourishing shampoos or specific treatments for different types of hair.
Seriously dry, brittle hair that is susceptible to thinning tends to fall out, so it is best to consult a specialist for the correct therapy before it is too late.

Dry hair

Both men and women of any age may have dry hair. This situation is endured not only as an aesthetic problem, but in time may represent a problem concerning hair health. Dry hair often appears weak, fragile and tends to become brittle and to break.
Dry hair often has split ends and other forms of damage to the shaft.

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Cycle de vie du cheveu

The life cycle of hair and its subsequent growth occur at a speed of 1-1.5 cm per month. Hair is a living element that follows a follicle cycle with an average duration of 2-6 years. In humans, unlike other mammals that are subject to a periodic change, this cyclic evolution is not synchronous (therefore each hair is independent from the others).

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PRPHT: the last frontier against hair loss

The acronym PRPHT stands for « Platelet Rich Plasma Hair Therapy ». It is a therapeutic medical technique that falls within the field of “regenerative medicine”; it is based on the principle that stem cells, which have been demonstrated to be present in the hair bulb, are equipped with growth factor receptors.

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Alopécie séborrhéique

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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Scalp itchiness

Scalp itchiness of varying intensity is a sensation perceived by many people of both sexes.
Itchiness is a scalp problem that leads those afflicted to scratch their skin and is often associated with pain. Many causes of this illness are recognized, which shouldn’t be underestimated as it may cause hair loss or thinning.

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Grey hair

In the trichological field, with the passing of age hair whitening is seen to follow the greying process of the hair on the scalp (called grey hair). Hair becomes grey (white) following a natural biological aging process of the melanocytes, which are the cells tasked with coloring hair.
In the majority of people, the first grey hairs appear around 35/40 years of age in women and around 30/35 in men.

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