Permanent laser hair removal is nowadays an indispensable treatment for the permanent removal of hair. To achieve permanent hair reduction, the laser device must be able to effectively treat all phototypes, while ensuring maximum skin protection. Lighter skin types are mainly treated at 755 nm (Alexandrite) or 805 nm (diode laser), while darker skin types are mainly treated at 1064 nm (Nd:YAG), available on both diode and solid-state lasers.
resorted to laser hair removal in 2018
of the most performed non-invasive treatments in 2018
and without social eviction
The permanent removal of unwanted hair by laser depends on the scientific principle of selective photothermolysis. When the appropriate laser wavelength is applied to the hair in the treatment area, the melanin absorbs the light, which is converted into thermal energy. The accumulation of thermal energy causes the destruction of the hair follicles and associated stem cells and dermal papillae, while the surrounding skin remains intact.
The treatment of darker skin is more difficult due to the high concentration of melanin in the skin as a competing chromophore. The choice of treatment parameters will depend on the intrinsic characteristics of the patients: phototype, hair colour and thickness. To obtain the best possible results in complete safety, it is essential to be able to adjust the treatment parameters according to each patient: fluence, pulse width, firing frequency, spot size, etc.
Several sessions are necessary to observe lasting results.
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