Laser is a light (wavelength) that targets the melanin found in the hair root and burns it under the effect of heat. The principle involves a process of thermoregulation that permanently destroys the hair because it can no longer implant itself.
To understand laser hair removal, it's essential to know that there are different phases of hair life in the human body:
Anagen: The growth phase. During this period, laser sessions are recommended because the hair root is rich in melanin and responsive to the laser (between one and three months).
Telogen: The final phase of the hair's life cycle before it falls out to prepare for new hair. Laser sessions are not recommended for hair in the telogen phase (between three and six months).
Catagen: This is the phase where the hair (bulb) passes through the skin barrier (a relatively short period). Laser sessions are also not recommended for hair in the catagen phase as they are ineffective on hairs in this stage.
Laser hair removal in Paris 12 (near Paris 11 and Saint-Mandé) should be done over several sessions to target all hairs at their various life stages.
Depending on your skin and hair type, there are two reference lasers in the field of hair removal:
Different factors influence the response to laser treatment: the thickness and color of the hair, and the areas to be treated. Optimal results are achieved when the hair is very dark and/or very coarse. White, blonde, and red hairs or fine peach fuzz respond minimally to laser treatment and are even not recommended because they could turn into darker hairs due to the laser. Other techniques can eliminate them, such as electrolysis.
For women, the best areas are the underarms, bikini area, and lower legs. The face, arms, thighs, and abdomen should be considered on a case-by-case basis by the doctor. In cases of hyperandrogenism, the number of sessions may be uncertain.
For men, the beard, chest, and legs respond very well to laser treatment, but this is not the case for all areas of the back.
One of the advantages of laser hair removal in Paris 12 (near Saint-Mandé and Paris 11) is that in some cases, during conventional hair removal (shaving, tweezing, etc.), the hair can grow under the skin. This can lead to inflammation (pimple), and if left untreated, it can become infected and turn into a painful cyst. Laser is now the only recognized effective method to prevent hair from growing under the skin.
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During the session, the physician passes the laser light over the entire area to be treated, allowing it to identify all the hair roots under the skin that are in the right phase of their cycle to be permanently burned.
The number of laser sessions required for permanent hair removal in Paris depends on the initial amount of hair, the color of the hair and skin, and the treated area. On average, it takes 6 sessions spaced 4 to 12 weeks apart to eliminate 70% of the hair, followed by 1 to 2 maintenance sessions per year until all hair is gone.
Afterward, for the most stubborn hairs, it is entirely possible to use conventional hair removal methods (tweezing, waxing, etc.) or even shaving. For a radiant face, it is recommended to come as soon as the hair regrows, approximately four to eight weeks after a session, as the more sessions are completed, the slower the regrowth becomes.
Generally, hormonal maturity for hair growth occurs for women around 25-30 years and men around 40 years. To minimize the number of sessions, it is recommended to wait until reaching this age, but it is entirely possible to start younger. Just keep in mind that the number of sessions, like with Botox in Paris, may be uncertain.
It is still recommended to wait until at least 30 years old for men because hair growth is still evolving. For most patients, once hormonal hair maturity is reached, laser hair removal in Paris significantly improves their comfort (with over 80% of hair destroyed).
Laser hair removal in Paris cannot be performed in the following cases:
Laser can be used on heavy legs; in case of venous insufficiency, recovery may take longer.