Alopecia : mesotherapy, laser…

Healthy concept. Woman show her brush with damaged long loss hair and looking at her hair.

Through the history of our civilization, we see that the hair is an attribute of strength, seduction and identity.
Alopecia affects a high percentage of the population.
There are different causes and triggers.
Causes of acute alopecia include stress, post partum, dieting, surgery, fever or acute infection, acute hemorrhage, medication, illness.
The factors responsible for chronic alopecia are: iron deficiency, nutritional deficits, endocrine disruption (dysthyroidism, hypoparathyroidism, hypopituitarism), renal failure, hepatitis, connective tissue diseases (scleroderma, lupus, ...).
The hair is a particular variety of hair. We own 80000 to 160000 hair. They are renewed in 3 to 5 years with a cyclical growth. In this cycle, 85% of the hair is in the anagen phase (growth), 1 to 2% in the catagen phase, 15 to 20% in the telogen phase (fall phase).

Physiologically, we lose between 25 to 60 hairs on daily bases, with two seasonal peaks in the spring and fall.

When the quantity of hair lost exceeds this value we call it alopecia. It is acute alopecia if the loss develops over more than 3 months, alopecia is acute, if it has been evolving for more than 6 months, alopecia is chronic.


A clinical examination during the first consultation makes it possible to assess the fall, to search for a cause, to make a review (topography, residual hair density, scalp condition) and to define the stage of the fall. relating to the usual classifications.

During this consultation, we evaluate the stage of alopecia based on Hamilton's classification for men and Ludwing for women.

ハミルトン・ノーウッド分類 ハゲ

Classification of Hamilton

ルードヴィヒの分類  ハゲ

Classification of Ludwing


Therapist removing scar with micro needling technology. Non surgical treatment applied on female cheek.


The revitalizing activates ingredients and hyaluronic acid injected into the superficial part of the scalp stimulate the follicle's feeder vessels, thereby improving the seborrheic state and oxygenation of the scalp. With this technique, the micronutrients gives essential boost for the hair's resistance and growth. The treatment is both preventative and curative, aims to limit hair loss and stimulate regrowth.Mesotherapy can also improve the vitality of hair, reduce seborrhea and itching of the scalp. Three months are needed to see a significant regrowth.


Phototherapy by LED will stimulate the hair root, the light penetrates down into the deep dermis where the roots are located, in order to accelerate the metabolism by synthesis of ATP in the mitochondria.
15-20 sessions are usually performed, the results are progressive, the session is painless. This technique is often associated with mesotherapy.

Young woman having LED light facial treatment in beauty salon
Carbon dioxide therapy (carboxytherapy). Skin rejuvenation.The procedure is performed on the back of the patient.


The subcutaneous injection of CO2 increases the oxygenation and vascularization of and around hair roots, and stimulates the formation and growth of new vessels. This allows for increased local metabolism leading to accelerated skin regeneration and stimulation of atrophied hair roots which are  responsible for the fall/ hair loss.

Laser erbium fractional

Studies conducted on the subject particular on female pattern loss (the most common cause of alopecia in women), have shown improvement in hair density and thickness. Six to ten treatments two weeks apart should be performed and carried out.
The erbium laser allows for hair to regrow through the conversion of the telogen phase into the anagen phase.
Stimulation of hair follicles is achieved with low energy levels due to the direct administration of microbeams to the scalp. The wavelength of the laser acts on the tissues that have a deficient metabolism by stimulating the blood circulation and the regeneration of these tissues.
The disadvantage of this technique is that the hair is burned and that it can cause pigmentary disorders (lighter or darker spots) in the scalp.

woman wearing protective glasses, getting laser facial treatment. Facial skin rejuvenation

Written by Valeria Romano

Former intern at the Hospitals of Paris Graduate of the Faculty of Medicine, University of Paris 7 – Paris Diderot Registered with the medical board of Paris, n° 75/80452 More informations

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